Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.DURL VariantsActionwww/non-www, trailing slash, HTTP→HTTPSFIX
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
HTTP version does not redirect to HTTPS
DCDN & DeliveryActionNo CDN detectedFIX
Consider using a CDN to improve global delivery speed and reduce origin load.
BCrawlabilityrobots.txt present, sitemap with 21412 URLsREVIEW
Search engines may not be able to parse the sitemap. Fix XML validation errors.
An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.
Learn more ▾ ▴
Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.
Source: sitemaps.org / Google Search Central
User-Agent: *
Disallow:
User-Agent: *
Disallow: /foia/quaterly/
Disallow: /Search
Disallow: https://apps.opm.gov/tax_calc/withhold_calc/index.cfm
Disallow: /*?forgotpassword=*
Disallow: /*&forgotpassword=*
Disallow: /*?dologin=*
Disallow: /*&dologin=*
Disallow: /*/print/
# Sitemaps
Sitemap: https://www.opm.gov/sitemap/
BTLS Certificate Expiry & Recommendations186 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Prefer TLS 1.3 — TLS 1.2 is acceptable but TLS 1.3 removes RSA key exchange and improves latency
- 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
A+DNS Records1 A records, 4 ms lookupPASS
| A | 23.50.88.91 |
| AAAA | 2600:1413:5000:a81::174f, 2600:1413:5000:a8f::174f |
| CNAME | — |
| NS | a1-12.akam.net, a5-67.akam.net, a11-67.akam.net, a14-64.akam.net, a18-65.akam.net, a20-66.akam.net |
| MX | 0 opm-gov.mail.protection.outlook.com |
| TXT | MS=ms15252846 MS=ms35255137 tbcd7kxrzkw9py7sh6kksn5zfs19l4sy google-gws-recovery-domain-verification=68398890 google-site-verification=V0UV_qinkHD_6nHDUzapyLVoTmouteKQPTusDqE_jrY google-site-verification=j11qcer-IPY3hbU67y1N_994_x8fnLTlssDpyFRZIXU 7axh6RhNhWWjGH/6UD54HHrA3x0tNqHi2MGEN6MM/dyqbLwZqEnDkW+RndcBz2grhSSLNJ9qRSBXZxnU... SPF v=spf1 ip4:205.131.184.50/32 ip4:205.131.184.51/32 ip4:205.131.184.52/32 ip4:205... |
| 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), 235 ms totalPASS
https://opm.gov
22 ms · HTTP/1.1
https://www.opm.gov/
213 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://opm.gov | 302 | 22 ms | HTTP/1.1 | |
| 2 | https://www.opm.gov/ | 200 | 213 ms | HTTP/1.1 |
See the visual redirect chain in the HTTP Probe tab →
If permanent, use 301 instead.
302 (Found) is for genuinely temporary redirects — if this redirect is permanent, switch to 301 to preserve SEO equity.
Learn more ▾ ▴
Search engines treat 302 as temporary, keeping the original URL indexed and not transferring full link equity to the destination. Use 301 (Moved Permanently) for permanent redirects (HTTP→HTTPS, www-vs-non-www, URL restructures).
Source: Google Search Central
A+IPv6 ReadinessIPv6 reachable (1 ms)PASS
A+Domain Intelligenceopm.gov — via get.gov, 28 years, 11 months oldPASS
81 days
September 2, 2026
186 days
Issued by DigiCert Inc
28 years, 11 months
Registered October 2, 1997
Enabled
Protects against DNS spoofing
Unknown
2600:1413:5000:a81::174f
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