Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.BURL Variantswww/non-www, trailing slash, HTTP→HTTPSREVIEW
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
Consistent
BTLS Certificate Expiry & Recommendations95 days until leaf cert expires — 2 issues to addressREVIEW
Certificate validity
Recommended actions
- Submit your domain to hstspreload.org to be added to the Chrome preload list
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
BCDN & DeliveryAkamaiREVIEW
A+DNS Records1 A records, 42 ms lookupPASS
| A | 23.37.165.175 |
| AAAA | 2a02:26f0:e0:4a0::17b2, 2a02:26f0:e0:4b7::17b2 |
| CNAME | — |
| NS | a3-67.akam.net, a18-65.akam.net, a6-64.akam.net, a1-32.akam.net, a7-65.akam.net, a20-66.akam.net |
| MX | 10 sec-gov.mail.protection.outlook.com |
| TXT | 00DSL0000021HKD=1TBSL000000020D ms-domain-verification=ba4248b5-acc8-41ea-8703-abebfda1a96a _cz0i16g8zz5maeoxkaxts6mosrsg7n6 apple-domain-verification=S8k2enqunoaJUuJA atlassian-domain-verification=awDgAKnU26QrwpZblzNS4OGF8kEEJPtUij0S0WKf13T9qRfcH0... webexdomainverification.7GA36=c6ae2a26-765a-4237-b87d-f6bddc7a9cd8 y2tqkx3t30c3sr5smhvn1d0rvcy647qq dtm-domain-verification=BcAH-g0ZVzOswh5LL4axbbHI3sWosnxP15V8LAgmmPw MS=ms60731568 adobe-idp-site-verification=97319342-419d-4786-87b7-130e1e301d13 apple-domain-verification=jlno4yB7g7OgHZk5 cisco-ci-domain-verification=6916e9cd0609e361edcbea866535f0538c7de04c019c5d4669c... X4U/iY9l80yKA4myted6fgTySSIGMnzLSdq/xloixnLrcdKk/Vv/iv0ilF4VuFx0pmVEMwe5HvDilwYR... google-site-verification=9GMDw2_WQPOazSHPiWGVPuC5PKpwfADDisMN7sEhMM0 spf2.0/pra _2haihd08iwp4vmrvs9mrm1dsncy86py SPF v=spf1 include:_mail.sec.gov include:_sas.sec.gov include:_sas1.sec.gov include:... |
| CAA | Lookup not available with standard resolver |
Multiple A records provide failover if one server goes down.
Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.
Learn more ▾ ▴
Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.
Source: SRE practice / DNS architecture
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.
ARedirect Chain1 redirect(s), 215 ms totalPASS
https://sec.gov
13 ms · HTTP/1.1
https://www.sec.gov/
202 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://sec.gov | 301 | 13 ms | HTTP/1.1 | AkamaiGHost |
| 2 | https://www.sec.gov/ | 200 | 202 ms | HTTP/1.1 | nginx |
See the visual redirect chain in the HTTP Probe tab →
A+IPv6 ReadinessIPv6 reachable (0 ms)PASS
A+Crawlabilityrobots.txt present, sitemap with 78 URLsPASS
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used: http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html
User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
#SEC
Allow: /Archives/edgar/data
Disallow: /Archives/bin
Disallow: /Archives/etc
Disallow: /Archives/usr
Disallow: /cgi-bin
Disallow: /bin
Disallow: /Archives/edgar/vprr/XXXX
Disallow: /Archives/edgar/vprr/vprr_removal
Disallow: /Archives/edgar/vprr/bin
Disallow: /nb
Disallow: /video/live
Disallow: /Archives/edgar/data/1473971/000109181814000042/ex101002.gif
Disallow: /node
Disallow: /spotlight/equity-market-structure-advisory-committee.shtml
Sitemap: https://www.sec.gov/sec-sitemap.xml
Sitemap: https://www.sec.gov/sitemap/sitemap-index.xml
Sitemap: https://www.investor.gov/sitemap.xml
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
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- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
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- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
- https://www.sec.gov/sec-sitemap.xml?page...
A+Domain Intelligencesec.gov — via get.gov, 28 years, 11 months oldPASS
30 days
August 13, 2026
95 days
Issued by DigiCert Inc
28 years, 11 months
Registered October 2, 1997
Enabled
Protects against DNS spoofing
Unknown
2a02:26f0:e0:4a0::17b2
get.gov
Expiry timeline
Recommended actions
- Renew the domain or enable auto-renewal to prevent accidental expiry
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.
Learn more ▾ ▴
Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.
Source: ICANN / domain-security best practice