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https://supremecourt.gov

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
84
GRADE
B
FIX
0
REVIEW
5
PASS
4
INFO
0
Probed from Santa Clara, United States
301 Moved Permanently
Checks
9
4 PASS 5 REVIEW
C
IPv6 Readiness
Action
No IPv6 support
REVIEW
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.

IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.

Why this matters

No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.

Source: Google IPv6 stats

B
Crawlability
robots.txt present, no sitemap
REVIEW
robots.txt present, no sitemap
Info::
robots.txt is present
Got: 155 bytes
Info::
No sitemap.xml found
A sitemap helps search engines discover and index your pages more efficiently.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

A sitemap helps search engines discover and index your pages more efficiently.

Why this matters

No sitemap.xml — Google relies on crawl-graph discovery alone, slowing indexing of deep or fresh URLs.

Learn more ▾

A sitemap accelerates Google's discovery of new and updated content. Most CMSes auto-generate one; static-site frameworks need a build-step plugin. Reference it from robots.txt and submit in Search Console to confirm Google can fetch it.

Source: sitemaps.org / Google Search Central

Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

Why this matters

robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.

Source: sitemaps.org

robots.txt 200 OK
Size 155 B Sitemaps referenced 0 User-agents discobot, SOTScraper, * Blocking No — crawling allowed
User-agent:discobot

Disallow:/


User-agent: SOTScraper

Disallow: /


User-agent:*

Disallow: /images/

Disallow: /rss/

Disallow: /cdn/

Crawl-delay:1
sitemap.xml No sitemap found

No sitemap found

Adding a sitemap helps search engines discover your pages.

B
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
REVIEW
www/non-www, trailing slash, HTTP→HTTPS
Critical::
Both www and non-www versions serve content
Got: Both variants return 200 Expected: One variant 301-redirects to the other
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

200https://www.supremecourt.gov/
200https://supremecourt.gov/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://supremecourt.gov/ → https://www.supremecourt.gov/

Consistent

B
TLS Certificate Expiry & Recommendations
136 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

136
days left
0d 30d 60d 90d+

Recommended actions

  • Add includeSubDomains to the HSTS directive
  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
B
CDN & Delivery
Akamai
REVIEW
Akamai
Info::
Site is served via Akamai CDN
Got: server header
CDN Detected: Akamai
Provider Akamai Evidence server header
A+
DNS Records
2 A records, 16 ms lookup
PASS
2 A records, 16 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 23.62.46.172, 23.62.46.179
Info::
No IPv6 (AAAA) records
Info::
8 nameserver(s) configured
Got: eur2.akam.net, eur4.akam.net, eur5.akam.net, usc5.akam.net, usw1.akam.net, usw2.akam.net, ns1-62.akam.net, ns1-216.akam.net
Info::
2 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 16 ms
Got: 16 ms
A23.62.46.172, 23.62.46.179
AAAA—
CNAME—
NSeur2.akam.net, eur4.akam.net, eur5.akam.net, usc5.akam.net, usw1.akam.net, usw2.akam.net, ns1-62.akam.net, ns1-216.akam.net
MX
5 smtpgwa.supremecourt.gov
10 smtpgwb.supremecourt.gov
TXT
SPF v=spf1 mx ~all
_m2rkjw91sbms4ahabusm53x46i3gqwa
_ypjapu6pdizvu6remr2mz0p6fb4q0e7
globalsign-domain-verification=BagOKdwHdiXbsSFEVZgpivKZGYSQ-cCF6WP4b6Ih1m
CAALookup not available with standard resolver
Resolved in 16 ms

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

A
Redirect Chain
1 redirect(s), 807 ms total
PASS
1 redirect(s), 807 ms total
Info::
Single redirect
Got: https://supremecourt.gov → https://www.supremecourt.gov/ (301)
Info::
WWW normalization redirect
Info::
Redirect overhead: 807 ms total
Got: 807 ms

https://supremecourt.gov

759 ms · HTTP/1.1

301

https://www.supremecourt.gov/

49 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://supremecourt.gov301759 msHTTP/1.1AkamaiGHost
2https://www.supremecourt.gov/20049 msHTTP/1.1

See the visual redirect chain in the HTTP Probe tab →

A+
Domain Intelligence
supremecourt.gov — via get.gov, 19 years old, hosted on Akamai
PASS
supremecourt.gov — via get.gov, 19 years old, hosted on Akamai
Info::
Domain registered until Sep 5, 2026 (4 months remaining)
Info::
DNSSEC is enabled
Info::
Registrar: get.gov
Warning::
Registrar lock is NOT enabled
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.
Info::
Hosting: Akamai
Got: AS20940
Domain expiry

51 days

September 5, 2026

SSL certificate

136 days

Issued by DigiCert Inc

Domain age

19 years

Registered July 12, 2007

DNSSEC

Enabled

Protects against DNS spoofing

Hosting

Akamai

ASN AS20940

23.62.46.179

Registrar

get.gov

Unlocked 8 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Renew the domain or enable auto-renewal to prevent accidental expiry
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar get.gov
Created July 12, 2007 (19 years ago)
Expires September 5, 2026 (4 months)
Last Updated September 10, 2025
Name Servers eur2.akam.net, eur4.akam.net, eur5.akam.net, ns1-216.akam.net, ns1-62.akam.net, usc5.akam.net, usw1.akam.net, usw2.akam.net
DNSSEC Enabled
Registrant REDACTED FOR PRIVACY
Hosting
IP Address 23.62.46.179
ASN AS20940 (AKAMAI-ASN1, NL)
Provider Akamai
Data source: rdap (0.4s)

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.

Why this matters

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

A
HTTP Probe Timing
Total 613 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
6 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
2 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
583 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
614 ms
Total Time Total request time from DNS lookup through full response.
614 ms

Connection waterfall

DNS Lookup 6 ms TCP Connect 2 ms TLS Handshake 583 ms Server Processing 23 ms Content Transfer 0 ms
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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