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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 Madrid, Spain
301 Moved Permanently
Checks
9
6 PASS 3 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.campaignmonitor.com/
200https://campaignmonitor.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://campaignmonitor.com/ → https://campaignmonitor.com/

Consistent

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

Certificate validity

58
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
A+
DNS Records
2 A records, 58 ms lookup
PASS
2 A records, 58 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 141.193.213.21, 141.193.213.20
Info::
No IPv6 (AAAA) records
Info::
6 nameserver(s) configured
Got: ns5.campaignmonitor.com, ns3.campaignmonitor.com, ns1.campaignmonitor.com, ns4.campaignmonitor.com, ns2.campaignmonitor.com, ns0.campaignmonitor.com
Info::
5 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: 58 ms
Got: 58 ms
A141.193.213.21, 141.193.213.20
AAAA—
CNAME—
NSns5.campaignmonitor.com, ns3.campaignmonitor.com, ns1.campaignmonitor.com, ns4.campaignmonitor.com, ns2.campaignmonitor.com, ns0.campaignmonitor.com
MX
10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 aspmx2.googlemail.com
30 aspmx3.googlemail.com
TXT
smartsheet-site-validation=IK71x4hEsY6JWfbNAhsoLONQq3Vkmx0i
bugcrowd-verification=b2833a7a69c39f35f50ca8068ba01160
google-site-verification=zZw3Uy_1Qt53uqHvp8z-LCHfdNsD0ll2ePp0MStGFlk
sophos-domain-verification=a33d59feba15993a4080f0e2084280a22ca04356566e361b161b8...
SPF v=spf1 ip4:146.88.16.0/23 ip4:103.28.42.0/24 ip4:146.88.28.0/24 ip4:163.47.180.0...
google-site-verification=Sv1l5Fjv25nPOEOpCghRqi2p7Qm7fPBZUuV-R0v7vSM
segment-site-verification=bYUpMMy4BLyhbpEV3r7YR3YHGa6ZkCuE
atlassian-domain-verification=jqGc/BWKWWS6oR7TCFqU/9GXhvcLBNFbVPqVszsCOx/2nPX1Ta...
atlassian-domain-verification=MUfOa9TgLVJLUTFrKAaLeDxHrQwKMgTYBYasx9CeY2ikuYng2h...
2a38a4a9316c49e5a833517c45d31070
google-site-verification=H1LHYALB_-GKWn3NqW_RkFL-iKxR1MesRrAfvp2lppI
68AC7C5353
atlassian-domain-verification=0PerxAMMu4xxrXZxMQ8DwjrhgnFPR2ETfP+IlKAyg5jUq6ifLH...
e2ma-verification=yo2eb
figma-domain-verification=202a623f484c49cb5b1fb85b0ebcdf603107ef278aedef130adc9f...
atlassian-domain-verification=cK8a94/tYLYbxxYYmZ6SAMQ2WQz6F/Tvu2GJQLZm4Yl6UJmZlb...
MS=ms88071743
ZOOM_verify_EJdtupt9SbCyXbwYCyehSA
hubspot-domain-verification=ZjU1N2EwNmEtOTI1Mi00NGM1LWExMzAtMzI3Njc1MmMwYWI3
google-site-verification=fbGeR9k9kDoDmGir_XW1X-TNe7Vmb_HBKRKEQjsuwAg
mgverify=89b055cc6a832d129f2601100667e6d811ae2151d54c83d79c5fc9a3245cb660
twilio-domain-verification=52e57fb0f0cf9c1941e72a4b54cfa366
status-page-domain-verification=fs4dxrw6qbgs
ps-cd-verification=f36881a7-9598-4184-b585-00c061cf8080
logmein-verification-code=a3181d71-1be8-4d79-a620-5abd205ad923
google-site-verification=HcHoB67Mph6vl5_x4gK5MN9YwN5gMgfZYdNmsP07tIg
mongodb-site-verification=qSBYLbF4mnFSv2AYkX4ZeUGlakVvlphm
CAALookup not available with standard resolver
Resolved in 58 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), 410 ms total
PASS
1 redirect(s), 410 ms total
Info::
Single redirect
Got: https://campaignmonitor.com → https://www.campaignmonitor.com/ (301)
Info::
WWW normalization redirect

https://campaignmonitor.com

168 ms · HTTP/1.1

301

https://www.campaignmonitor.com/

242 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://campaignmonitor.com301168 msHTTP/1.1cloudflare
2https://www.campaignmonitor.com/200242 msHTTP/1.1cloudflare

See the visual redirect chain in the HTTP Probe tab →

A+
Crawlability
robots.txt present, sitemap with 26 URLs
PASS
robots.txt present, sitemap with 26 URLs
Info::
robots.txt is present
Got: 591 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 26 entries
Info::
Sitemap index with 26 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 591 B Sitemaps referenced 2 User-agents * Blocking No — crawling allowed
User-agent: *

Disallow: /wp-admin/

Allow: /wp-admin/admin-ajax.php

Disallow: /?*

Disallow: https://help.commerce.campaignmonitor.com/s/login/?ec=302&startURL=%2Fs%2Fsfsites%2Faura%3Faura.Component.reportFailedAction%3D2&r=2&ui-communities-components-aura-components-forceCommunity-richText.RichText.getParsedRichTextValue=2&ui-communities-components-aura-components-forceTopic-featuredTopicsDataProvider.FeaturedTopicsDataProvider.getFeaturedTopics=1



Sitemap: https://www.campaignmonitor.com/sitemap_index.xml

Sitemap: https://www.campaignmonitor.com/static/sitemap-astro-index.xml
sitemap.xml 200 OK
Type Sitemap Index URLs 26 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
campaignmonitor.com — via MarkMonitor Inc., 22 years, 5 months old, hosted on Cloudflare
PASS
campaignmonitor.com — via MarkMonitor Inc., 22 years, 5 months old, hosted on Cloudflare
Info::
Domain registered until Mar 17, 2027 (10 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: MarkMonitor 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: AS209242
Domain expiry

275 days

March 17, 2027

SSL certificate

58 days

Issued by Let's Encrypt

Domain age

22 years, 5 months

Registered March 17, 2004

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Cloudflare

ASN AS209242

141.193.213.21

Registrar

MarkMonitor Inc.

Unlocked 6 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 MarkMonitor Inc.
Created March 17, 2004 (22 years, 5 months ago)
Expires March 17, 2027 (10 months)
Last Updated February 13, 2025
Name Servers ns0.campaignmonitor.com, ns1.campaignmonitor.com, ns2.campaignmonitor.com, ns3.campaignmonitor.com, ns4.campaignmonitor.com, ns5.campaignmonitor.com
DNSSEC Not enabled
Hosting
IP Address 141.193.213.21
ASN AS209242 (CLOUDFLARESPECTRUM Cloudflare, Inc., US)
Provider Cloudflare
Data source: rdap (0.1s)

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 541 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
32 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.
542 ms
Total Time Total request time from DNS lookup through full response.
542 ms

Connection waterfall

DNS Lookup 32 ms TCP Connect 1 ms TLS Handshake 8 ms Server Processing 500 ms Content Transfer 0 ms
A
CDN & Delivery
Cloudflare (DYNAMIC)
PASS
Cloudflare (DYNAMIC)
Info::
Site is served via Cloudflare CDN (edge: MAD)
Got: cf-ray: 9f074608cb5028ef-MAD
Info::
CDN cache status: DYNAMIC
CDN Detected: Cloudflare
Provider Cloudflare Cache Status DYNAMIC Evidence cf-ray: 9f074608cb5028ef-MAD
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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