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https://stlouisfed.org

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
93
GRADE
A
FIX
1
REVIEW
2
PASS
5
INFO
1
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
5 PASS 2 REVIEW 1 FIX
D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

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.stlouisfed.org/
200https://stlouisfed.org/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://stlouisfed.org/ → https://stlouisfed.org/

Consistent

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

Certificate validity

36
days left
0d 30d 60d 90d+

Recommended actions

  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • Enable DNSSEC on your domain for DNS spoofing protection
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+
DNS Records
2 A records, 27 ms lookup
PASS
2 A records, 27 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 95.101.29.17, 95.101.29.24
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2a02:26f0:82::17c8:54b6, 2a02:26f0:82::17c8:5609
Info::
6 nameserver(s) configured
Got: pdns108.ultradns.biz, pdns108.ultradns.org, pdns108.ultradns.net, ns60.ultradns2.com, pdns108.ultradns.com, ns60.ultradns2.org
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: 27 ms
Got: 27 ms
A95.101.29.17, 95.101.29.24
AAAA2a02:26f0:82::17c8:54b6, 2a02:26f0:82::17c8:5609
CNAME—
NSpdns108.ultradns.biz, pdns108.ultradns.org, pdns108.ultradns.net, ns60.ultradns2.com, pdns108.ultradns.com, ns60.ultradns2.org
MX
10 mx1.frb.iphmx.com
10 mx2.frb.iphmx.com
TXT
SPF v=spf1 mx include:amazonses.com include:_spf.createsend.com ~all
_prlhmaggefb96w7nrt6qkm7mfl1dzrp
_pki-validation.stlouisfed.org 5B56-9C03-0387-FFC8-833A-2C25-C603-5687
_v65yuj9952ec9ama84hc46b1xuzg7pq
1wc2kp4q60pjlvx4q02v9d0s9q8qwd4n
0sFGNnNR7pY9CkQIXReFBuM2NRY:9F45-179A-D842-2332-4CE7-40E2-9A76-0DCF
CS0007467
CAALookup not available with standard resolver
Resolved in 27 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), 274 ms total
PASS
1 redirect(s), 274 ms total
Info::
Single redirect
Got: https://stlouisfed.org → https://www.stlouisfed.org/ (301)
Info::
WWW normalization redirect

https://stlouisfed.org

73 ms · HTTP/1.1

301

https://www.stlouisfed.org/

200 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://stlouisfed.org30173 msHTTP/1.1
2https://www.stlouisfed.org/200200 msHTTP/1.1

See the visual redirect chain in the HTTP Probe tab →

A+
IPv6 Readiness
IPv6 reachable (21 ms)
PASS
IPv6 reachable (21 ms)
Info::
IPv6 is configured and reachable at 2a02:26f0:82::17c8:54b6, 2a02:26f0:82::17c8:5609
Got: 21 ms connect
IPv6 Ready
AAAA Records 2a02:26f0:82::17c8:54b6, 2a02:26f0:82::17c8:5609 Connection Reachable (21 ms)
A+
Crawlability
robots.txt present, sitemap with 4832 URLs
PASS
robots.txt present, sitemap with 4832 URLs
Info::
robots.txt is present
Got: 300 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 4832 entries
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 300 B Sitemaps referenced 1 User-agents GPTBot, ClaudeBot, PerplexityBot, Google-Extended, * Blocking No — crawling allowed
User-agent: *

Disallow: /*.cfm$

Disallow: /fomcexports/csv

Disallow: /rss/page-resources/fomcspeak/


User-agent: GPTBot

Allow: /


User-agent: ClaudeBot

Allow: /


User-agent: PerplexityBot

Allow: /


User-agent: Google-Extended

Allow: /


Sitemap: https://www.stlouisfed.org/sitemap.xml
sitemap.xml 200 OK
Type URL Set URLs 4832 entries Valid XML Yes
Sample URLs:
A+
HTTP Probe Timing
Total 182 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
38 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
16 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
22 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
182 ms
Total Time Total request time from DNS lookup through full response.
183 ms

Connection waterfall

DNS Lookup 38 ms TCP Connect 16 ms TLS Handshake 22 ms Server Processing 106 ms Content Transfer 0 ms
Domain Intelligence
Domain intelligence data not available
INFO
Domain intelligence data not available

RDAP and WHOIS lookup both failed

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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