Domain > bengr.tech

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DNS Resolutions

Date	IP Address
2025-07-04	172.67.162.200 (ClassC)
2026-01-05	104.21.15.144 (ClassC)

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!DOCTYPE html>html langen>head>    meta charsetutf-8>    meta nameviewport contentwidthdevice-width, initial-scale1>    title>The Ben Blog/title>    link relstylesheet href/assets/built/screen.css?v2f510a34a7>    meta namedescription contentLearning networking one fail at a time>    link relcanonical hrefhttps://bengr.tech/>    meta namereferrer contentno-referrer-when-downgrade>        meta propertyog:site_name contentThe Ben Blog>    meta propertyog:type contentwebsite>    meta propertyog:title contentThe Ben Blog>    meta propertyog:description contentLearning networking one fail at a time>    meta propertyog:url contenthttps://bengr.tech/>    meta propertyog:image contenthttps://static.ghost.org/v5.0.0/images/publication-cover.jpg>    meta nametwitter:card contentsummary_large_image>    meta nametwitter:title contentThe Ben Blog>    meta nametwitter:description contentLearning networking one fail at a time>    meta nametwitter:url contenthttps://bengr.tech/>    meta nametwitter:image contenthttps://static.ghost.org/v5.0.0/images/publication-cover.jpg>    meta propertyog:image:width content1200>    meta propertyog:image:height content840>        script typeapplication/ld+json>{    @context: https://schema.org,    @type: WebSite,    publisher: {        @type: Organization,        name: The Ben Blog,        url: https://bengr.tech/,        logo: {            @type: ImageObject,            url: https://bengr.tech/favicon.ico,            width: 48,            height: 48        }    },    url: https://bengr.tech/,    name: The Ben Blog,    image: {        @type: ImageObject,        url: https://static.ghost.org/v5.0.0/images/publication-cover.jpg,        width: 1200,        height: 840    },    mainEntityOfPage: https://bengr.tech/,    description: Learning networking one fail at a time}    /script>    meta namegenerator contentGhost 5.130>    link relalternate typeapplication/rss+xml titleThe Ben Blog hrefhttps://bengr.tech/rss/>        script defer srchttps://cdn.jsdelivr.net/ghost/sodo-search@~1.8/umd/sodo-search.min.js data-key9610ddee925579836ca6002893 data-styleshttps://cdn.jsdelivr.net/ghost/sodo-search@~1.8/umd/main.css data-sodo-searchhttps://bengr.tech/ data-localeen crossoriginanonymous>/script>        link hrefhttps://bengr.tech/webmentions/receive/ relwebmention>    script defer src/public/cards.min.js?v2f510a34a7>/script>style>:root {--ghost-accent-color: #FF1A75;}/style>    link relstylesheet typetext/css href/public/cards.min.css?v2f510a34a7>    style>    :root {        --primary-text-color: #ffffff;        --secondary-text-color: #cccccc;        --white-color: #000000;        --light-gray-color: #333333;        --mid-gray-color: #aaaaaa;        --dark-gray-color: #ffffff;        --black-color: #ffffff;        --color-primary-text: #ffffff !important;        --color-secondary-text: #cccccc !important;        --color-white: #000000 !important;        --color-light-gray: #333333 !important;        --color-mid-gray: #aaaaaa !important;        --color-dark-gray: #ffffff !important;        --color-darker-gray: #ffffff !important;        --color-black: #ffffff !important;    }    .pswp__bg {        background: rgba(0, 0, 0, 0.9);    }/style>/head>body classhome-template is-head-middle-logo>div classgh-site>    header idgh-head classgh-head gh-outer>        div classgh-head-inner gh-inner>            div classgh-head-brand>                div classgh-head-brand-wrapper>                    a classgh-head-logo hrefhttps://bengr.tech>                            The Ben Blog                    /a>                /div>                button classgh-search gh-icon-btn aria-labelSearch this site data-ghost-search>svg xmlnshttp://www.w3.org/2000/svg fillnone viewBox0 0 24 24 strokecurrentColor stroke-width2 width20 height20>path stroke-linecapround stroke-linejoinround dM21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z>/path>/svg>/button>                button classgh-burger aria-labelToggle menu>/button>            /div>            nav classgh-head-menu>                ul classnav>    li classnav-home nav-current>a hrefhttps://bengr.tech/>Home/a>/li>    li classnav-about>a hrefhttps://bengr.tech/about/>About/a>/li>    li classnav-status>a hrefhttps://status.bengr.tech/>Status/a>/li>/ul>            /nav>            div classgh-head-actions>                        button classgh-search gh-icon-btn aria-labelSearch this site data-ghost-search>svg xmlnshttp://www.w3.org/2000/svg fillnone viewBox0 0 24 24 strokecurrentColor stroke-width2 width20 height20>path stroke-linecapround stroke-linejoinround dM21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z>/path>/svg>/button>            /div>        /div>    /header>    main idgh-main classgh-main gh-outer>    div classgh-inner>                article classgh-latest gh-card post tag-general tag-certification>                    a classgh-card-link href/the-satisfaction-of-explaining-the-basics/>                        header classgh-card-header>                            div classgh-article-meta>                                span classgh-card-date>Latest — time datetime2025-11-09>09 Nov 2025/time>/span>                            /div>                            h2 classgh-article-title gh-card-title>The Satisfaction of Explaining the Basics/h2>                        /header>                        p classgh-article-excerpt>Over the past few weeks, I’ve been working with our internal knowledge team to write some short, straightforward explainers about the fundamentals. Things like DNS, IP addresses, and NAT. Nothing flashy, just the kind of concepts that quietly power everything we do but are so easy to gloss over/p>                        footer classgh-card-meta>                            span classgh-card-duration>2 min read/span>                        /footer>                    /a>                /article>        div classgh-wrapper>            section classgh-section>                h2 classgh-section-title>More issues/h2>                div classgh-feed>                            article classgh-card post tag-general>    a classgh-card-link href/email-outages-happen-heres-how-i-knew-about-them-first/>        header classgh-card-header>            h2 classgh-card-title>Email Outages Happen. Here’s How I Knew About Them First/h2>        /header>        div classgh-card-excerpt>How I Built a Status Page That Beat Our Incident Team by 40 Minutes.A few months ago, while juggling inbound calls and my usual caffeine intake, I had a random thought: what if we had a status page for our customer facing systems? Not some fancy “we’re Google,/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-10-30>30 Oct 2025/time>            span classgh-card-duration>2 min read/span>        /footer>    /a>/article>                            article classgh-card post>    a classgh-card-link href/ipv4-addressing-from-fumbles-to-broadcasts/>        header classgh-card-header>            h2 classgh-card-title>IPv4 Addressing: From Fumbles to Broadcasts/h2>        /header>        div classgh-card-excerpt>Today’s deep dive started with a bit of confusion over some multiple-choice questions that had me second-guessing everything I thought I knew about IP addresses and subnetting.Link-Local vs Experimental ConfusionI came across a question showing an IP address of 169.254.0.2 and asking what kind/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-10-19>19 Oct 2025/time>            span classgh-card-duration>3 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-certification>    a classgh-card-link href/the-joy-and-mild-confusion-of-network-access/>        header classgh-card-header>            h2 classgh-card-title>The Joy (and Mild Confusion) of Network Access/h2>        /header>        div classgh-card-excerpt>After wrapping my head around the OSI model, I thought I had this whole networking thing nailed down. Layers, encapsulation, packets, easy stuff, right? Then Cisco decided to throw the Network Access module at me, and suddenly I’m knee-deep in Ethernet frames, MAC addresses, and the ghosts of coaxial/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-10-07>07 Oct 2025/time>            span classgh-card-duration>3 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-general>    a classgh-card-link href/where-have-i-been/>        header classgh-card-header>            h2 classgh-card-title>Where have I been/h2>        /header>        div classgh-card-excerpt>It's been two months since I last posted on here, life got really busy really quick. I had planned lots of time off during August for a bit of a break from work where I had thought it would be a good idea to continue studying for the/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-09-29>29 Sep 2025/time>            span classgh-card-duration>1 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-certification tag-homelab>    a classgh-card-link href/from-port-forwards-to-zero-trust-my-journey-into-homelab-security/>        header classgh-card-header>            h2 classgh-card-title>From Port Forwards to Zero Trust: My Journey into Homelab Security/h2>        /header>        div classgh-card-excerpt>So I thought I was being clever by putting my services behind Cloudflare and calling it a day. Turns out, port forwards were still hanging around like bad habits from a previous configuration. A quick visit to LeakIX and Censys showed way more than I was comfortable with—my Plex/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-07-21>21 Jul 2025/time>            span classgh-card-duration>2 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-certification>    a classgh-card-link href/the-osi-model/>        header classgh-card-header>            h2 classgh-card-title>The OSI model/h2>        /header>        div classgh-card-excerpt>Going through the networking basics on Cisco was a breeze until I got to the OSI networking model. This took a bit to get my head around, to say the least; it just didn't seem logical to me to begin with. In my head I had imagined that/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-07-13>13 Jul 2025/time>            span classgh-card-duration>3 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-certification>    a classgh-card-link href/starting-out-with-cisco/>        header classgh-card-header>            h2 classgh-card-title>Starting out with Cisco/h2>        /header>        div classgh-card-excerpt>So the first logical step on learning how to do networking seems to be starting on Cisco online learning. I was speaking to a collegue at work who also mentioned getting a CCNA certification which seems like it should be helpful and from when I have researched it looks to/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-07-04>04 Jul 2025/time>            span classgh-card-duration>1 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-homelab>    a classgh-card-link href/homelab/>        header classgh-card-header>            h2 classgh-card-title>Homelab/h2>        /header>        div classgh-card-excerpt>Growing up I always wanted to work for Apple as an engineer (I was and still am a fanboy ill admit) creating new technology always seemed so cool to me. I had my dad's old work laptop that ran Windows XP for me to mess around in command/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-07-01>01 Jul 2025/time>            span classgh-card-duration>4 min read/span>        /footer>    /a>/article>                            article classgh-card post tag-general>    a classgh-card-link href/coming-soon/>        header classgh-card-header>            h2 classgh-card-title>Coming soon/h2>        /header>        div classgh-card-excerpt>This is The Ben Blog, a brand new site by Ben. The aim of this is to document my journey learning various skills, many to do with networking. There will be the high's and the low's.The goal will be to have knowledge in multiple field&/div>        footer classgh-card-meta>            time classgh-card-date datetime2025-07-01>01 Jul 2025/time>            span classgh-card-duration>1 min read/span>        /footer>    /a>/article>                /div>                button classgh-loadmore gh-btn>Load more issues/button>            /section>            aside classgh-sidebar>                section classgh-section>                    h2 classgh-section-title>About/h2>                    div classgh-about>                        section classgh-about-wrapper>                            h3 classgh-about-title>The Ben Blog/h3>                                p classgh-about-description>Learning networking one fail at a time/p>                        /section>                    /div>                /section>                    section classgh-section>                        h3 classgh-section-title>Topics/h3>                        div classgh-topic>                                a classgh-topic-item href/tag/certification/>                                    h3 classgh-topic-name>Certification/h3>                                    span classgh-topic-count>                                        5 issues                                    /span>                                /a>                                a classgh-topic-item href/tag/general/>                                    h3 classgh-topic-name>General/h3>                                    span classgh-topic-count>                                        4 issues                                    /span>                                /a>                                a classgh-topic-item href/tag/homelab/>                                    h3 classgh-topic-name>Homelab/h3>                                    span classgh-topic-count>                                        2 issues                                    /span>                                /a>                        /div>                    /section>            /aside>        /div>    /div>/main>    footer classgh-foot no-menu gh-outer>        div classgh-foot-inner gh-inner>            div classgh-copyright>                The Ben Blog © 2026            /div>            div classgh-powered-by>                a hrefhttps://ghost.org/ target_blank relnoopener>Powered by Ghost/a>            /div>        /div>    /footer>/div>script src/assets/built/main.min.js?v2f510a34a7>/script>style>    footer, .site-footer {        display: none !important;    }/style>/body>/html>

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