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https://chathamhouse.org

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
87
GRADE
B
FIX
0
REVIEW
4
PASS
5
INFO
0
Probed from Singapore, Singapore
301 Moved Permanently
Checks
9
5 PASS 4 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
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.chathamhouse.org/
200https://chathamhouse.org/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://chathamhouse.org/ https://www.chathamhouse.org/

Consistent

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

Certificate validity

47
days left
0d 30d 60d 90d+

Recommended actions

  • Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
  • 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
B
CDN & Delivery
Cloudflare
REVIEW
Cloudflare
Info::
Site is served via Cloudflare CDN (edge: SIN)
Got: cf-ray: 9f07a662abb89d17-SIN
CDN Detected: Cloudflare
Provider Cloudflare Evidence cf-ray: 9f07a662abb89d17-SIN
A+
DNS Records
2 A records, 7 ms lookup
PASS
2 A records, 7 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 104.20.32.66, 172.66.155.190
Info::
No IPv6 (AAAA) records
Info::
2 nameserver(s) configured
Got: apollo.ns.cloudflare.com, lady.ns.cloudflare.com
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: 7 ms
Got: 7 ms
A104.20.32.66, 172.66.155.190
AAAA
CNAME
NSapollo.ns.cloudflare.com, lady.ns.cloudflare.com
MX
5 d219016.a.ess.uk.barracudanetworks.com
10 d219016.b.ess.uk.barracudanetworks.com
TXT
MS=ms27739276
WG2+2CNEccIP464ErDikNop3M/WKXQJuoWDvpDfdGvK5Llf5Z1O3FMjkmFbIj7GVpp0kYJOgmKp1C+PL...
access-domain-verification=436829d4e35516fd402eb6f8351352bc4e5741e09e52196c81cb1...
facebook-domain-verification=a9ntymz8exfd48w7iul05n99k41ywa
google-site-verification=6JBCPacl7wpyH0g9RvLpk7ef04zrzjwRb5FmXzaEytE
SPF v=spf1 a mx include:spf.protection.outlook.com include:blk.mail.rewardgateway.ne...
CAALookup not available with standard resolver
Resolved in 7 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), 67 ms total
PASS
1 redirect(s), 67 ms total
Info::
Single redirect
Got: https://chathamhouse.org → https://www.chathamhouse.org (301)
Info::
WWW normalization redirect

https://chathamhouse.org

28 ms · HTTP/1.1

301

https://www.chathamhouse.org

39 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://chathamhouse.org30128 msHTTP/1.1cloudflare
2https://www.chathamhouse.org20039 msHTTP/1.1cloudflare

See the visual redirect chain in the HTTP Probe tab →

A+
Crawlability
robots.txt present, sitemap with 13 URLs
PASS
robots.txt present, sitemap with 13 URLs
Info::
robots.txt is present
Got: 1892 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 13 entries
Info::
Sitemap index with 13 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 1892 B Sitemaps referenced 1 User-agents * Blocking No — crawling allowed
#

# 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: *

Sitemap: https://www.chathamhouse.org/sitemap.xml

Crawl-delay: 10
Disallow: /search/

Disallow: /search*

Disallow: /search/*

Allow: /sitemap.xml*

# 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.txt

Disallow: /web.config

# Paths (clean URLs)

Disallow: /admin/

Disallow:/conflicteconomies

Disallow: /comment/reply/

Disallow:/dashboard/

Disallow: /filter/tips

Disallow: /node/add/

Disallow:/redirect-back-after-login/

Disallow: /user/register/

Disallow: /user/password/

Disallow: /user/login/

Disallow: /user/logout/

# 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:/*%2525*
A+
Domain Intelligence
chathamhouse.org — via Tucows Domains Inc., 25 years, 11 months old, hosted on Cloudflare
PASS
chathamhouse.org — via Tucows Domains Inc., 25 years, 11 months old, hosted on Cloudflare
Info::
Domain registered until Sep 7, 2026 (4 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: Tucows Domains Inc.
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: Cloudflare
Got: AS13335
Domain expiry

54 days

September 7, 2026

SSL certificate

47 days

Issued by Google Trust Services

Domain age

25 years, 11 months

Registered September 7, 2000

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Cloudflare

ASN AS13335

172.66.155.190

Registrar

Tucows Domains Inc.

Unlocked 2 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 DNSSEC to protect visitors from DNS spoofing
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar Tucows Domains Inc.
Created September 7, 2000 (25 years, 11 months ago)
Expires September 7, 2026 (4 months)
Last Updated August 14, 2025
Name Servers apollo.ns.cloudflare.com, lady.ns.cloudflare.com
DNSSEC Not enabled
Hosting
IP Address 172.66.155.190
ASN AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
Provider Cloudflare
Data source: rdap (0.5s)

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 22 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
7 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
1 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
8 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
22 ms
Total Time Total request time from DNS lookup through full response.
23 ms

Connection waterfall

DNS Lookup 7 ms TCP Connect 1 ms TLS Handshake 8 ms Server Processing 6 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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