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Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
87
GRADE
B
FIX
0
REVIEW
3
PASS
6
INFO
0
Probed from Sao Paulo, Brazil
302 Found
Checks
9
6 PASS 3 REVIEW
C
Crawlability
Action
robots.txt present, sitemap with 0 URLs
REVIEW
robots.txt present, sitemap with 0 URLs
Info::
robots.txt is present
Got: 10240 bytes
Info::
sitemap.xml is present
Warning::
sitemap.xml contains invalid XML
Search engines may not be able to parse the sitemap. Fix XML validation errors.
Warning::
sitemap.xml is empty — no URLs found
An empty sitemap provides no value. Add <url> entries for your pages.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

Search engines may not be able to parse the sitemap. Fix XML validation errors.

Why this matters

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

An empty sitemap provides no value. Add <url> entries for your pages.

Why this matters

An empty sitemap signals 'no content to index' to Google — actively harmful versus having no sitemap at all.

Learn more ▾

Google compares URLs in the sitemap against URLs it has crawled. An empty sitemap on a site with thousands of pages signals abandonment. Either populate it correctly (most CMSes auto-generate) or delete the file and let Google crawl normally.

Source: Google Search Central / sitemaps.org

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 10240 B Sitemaps referenced 0 User-agents Blocking No — crawling allowed
<!DOCTYPE html>
<html lang="en-US">

<head>
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sitemap.xml 200 OK
Type URL Set URLs 0 entries Valid XML No
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.atlanticcouncil.org/
200https://atlanticcouncil.org/

Inconsistent — duplicate content risk

HTTP → HTTPS

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

Consistent

B
TLS Certificate Expiry & Recommendations
39 days until leaf cert expires — 5 issues to address
REVIEW

Certificate validity

39
days left
0d 30d 60d 90d+

Recommended actions

  • Extend HSTS max-age to at least 31536000 (1 year) to meet the preload list criteria
  • Add includeSubDomains to the HSTS directive
  • 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
1 A records, 70 ms lookup
PASS
1 A records, 70 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 23.185.0.1
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2620:12a:8001::1, 2620:12a:8000::1
Info::
2 nameserver(s) configured
Got: fay.ns.cloudflare.com, norm.ns.cloudflare.com
Info::
1 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: 70 ms
Got: 70 ms
A23.185.0.1
AAAA2620:12a:8001::1, 2620:12a:8000::1
CNAME—
NSfay.ns.cloudflare.com, norm.ns.cloudflare.com
MX
0 atlanticcouncil-org.mail.protection.outlook.com
TXT
Sendinblue-code:61d9ad2956521e285b44a39d4ec1b430
apple-domain-verification=yQsTKC6RH5Uncz26
asv=8c3f03f4e84f27e23dec220da7b72147
cisco-ci-domain-verification=1974fe07de41b0400ce2e0c34937c658f0fb14e60fcf9fce958...
duo_sso_verification=vTIhJLlCqRhcHN9Pf4SCHa8svaELNVWdHrV1C2kvZY0Y8rklEg9T7Cg4N1y...
google-site-verification=3CtH9-AaPpmUsLZm1ZO2GhznSGN_wVTSPpD4f7ZN28Q
google-site-verification=BAUncN9A0q-8UZj0jxaMOoY4QwKEJWVVfoSUNHmzW78
google-site-verification=z6ORiZnCw3Opr5EsM2FKZnHu2Zpz2b8WfoGe4lqj2ec
pardot_219312_*=31bdf90169232f11efbd4c8a811740041312e27bd919569a03e72d5aa2514959
SPF v=spf1 ip4:63.122.176.26 include:spf.protection.outlook.com include:aspmx.pardot...
CAALookup not available with standard resolver
Resolved in 70 ms

Multiple A records provide failover if one server goes down.

Why this matters

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.

Why this matters

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

A
Redirect Chain
1 redirect(s), 240 ms total
PASS
1 redirect(s), 240 ms total
Info::
Single redirect
Got: https://atlanticcouncil.org → https://www.atlanticcouncil.org/ (302)
Info::
WWW normalization redirect
Info::
Uses 302 (temporary) redirect
If permanent, use 301 instead.
Got: https://atlanticcouncil.org

https://atlanticcouncil.org

179 ms · HTTP/1.1

302

https://www.atlanticcouncil.org/

61 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://atlanticcouncil.org302179 msHTTP/1.1nginx
2https://www.atlanticcouncil.org/20061 msHTTP/1.1nginx

See the visual redirect chain in the HTTP Probe tab →

If permanent, use 301 instead.

Why this matters

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 Readiness
IPv6 reachable (2 ms)
PASS
IPv6 reachable (2 ms)
Info::
IPv6 is configured and reachable at 2620:12a:8001::1, 2620:12a:8000::1
Got: 2 ms connect
IPv6 Ready
AAAA Records 2620:12a:8001::1, 2620:12a:8000::1 Connection Reachable (2 ms)
A+
Domain Intelligence
atlanticcouncil.org — via GoDaddy.com, LLC, 19 years, 7 months old
PASS
atlanticcouncil.org — via GoDaddy.com, LLC, 19 years, 7 months old
Info::
Domain registered until Dec 12, 2027 (1 years, 7 months remaining)
Info::
DNSSEC is not enabled
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Info::
Registrar: GoDaddy.com, LLC
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.
Domain expiry

544 days

December 12, 2027

SSL certificate

39 days

Issued by Let's Encrypt

Domain age

19 years, 7 months

Registered December 12, 2006

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Unknown

2620:12a:8000::1

Registrar

GoDaddy.com, LLC

Unlocked 2 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable DNSSEC to protect visitors from DNS spoofing
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar GoDaddy.com, LLC
Created December 12, 2006 (19 years, 7 months ago)
Expires December 12, 2027 (1 years, 7 months)
Last Updated November 30, 2024
Name Servers fay.ns.cloudflare.com, norm.ns.cloudflare.com
DNSSEC Not enabled
Hosting
IP Address 2620:12a:8000::1
Data source: rdap (0.3s)

DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.

Why this matters

Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.

Learn more ▾

DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.

Source: ICANN / RFC 4033

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 356 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
196 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.
7 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
356 ms
Total Time Total request time from DNS lookup through full response.
356 ms

Connection waterfall

DNS Lookup 196 ms TCP Connect 2 ms TLS Handshake 7 ms Server Processing 151 ms Content Transfer 0 ms
A+
CDN & Delivery
Fastly (HIT, MISS, MISS, MISS)
PASS
Fastly (HIT, MISS, MISS, MISS)
Info::
Site is served via Fastly CDN
Got: x-served-by: cache-chi-kigq8000125-CHI, cache-gru-sbsp2090021-GRU, cache-gru-sbgr1930061-GRU, cache-gru-sbgr1930061-GRU
Info::
CDN cache status: HIT, MISS, MISS, MISS
CDN Detected: Fastly
Provider Fastly Cache Status HIT, MISS, MISS, MISS Evidence x-served-by: cache-chi-kigq8000125-CHI, cache-gru-sbsp2090021-GRU, cache-gru-sbgr1930061-GRU, cache-gru-sbgr1930061-GRU
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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