Domain technical report
MathJax | Beautiful math in all browsers.
mathjax.org
Beautiful math in all browsers.
IPv43
IPv63
MX3
NS2
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85
Total
95
DNS
90
Email
65
Security
70
Network
100
Availability
Domainmathjax.org
IPv43
IPv63
MX records3
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
3 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
3 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
2 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
3 MX record(s).
SPF25 / 25 pts · Mail
SPF policy published.
DMARC25 / 25 pts · Mail
DMARC policy published.
DKIM20 / 20 pts · Mail
A DKIM selector was verified.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
81 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity35 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity35 / 35 pts · Network
AAAA availability.
DNS resolution40 / 40 pts · Availability
At least one address family must resolve.
HTTP response40 / 40 pts · Availability
HTTP/2 200
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
3 record(s)104.26.13.220 172.67.72.172 104.26.12.220
AAAA
3 record(s)2606:4700:20::ac43:48ac 2606:4700:20::681a:cdc 2606:4700:20::681a:ddc
CNAME
0 record(s)—
Not configured
MX
3 record(s)93 route2.mx.cloudflare.net. 9 route3.mx.cloudflare.net. 70 route1.mx.cloudflare.net.
TXT
3 record(s)"v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all" "google-site-verification=4CPAf5gVCFt460VLE0lxM4VIeHD7aGpMYUklLYKhdAo" "google-site-verification=y20NwMLAbXJ2krIUCgzt725ZJVWSkoI2gQjkaMLMw-E"
NS
2 record(s)dina.ns.cloudflare.com. walt.ns.cloudflare.com.
SOA
1 record(s)dina.ns.cloudflare.com. dns.cloudflare.com. 2411231430 10000 2400 604800 1800
CAA
0 record(s)—
Not configured
DS
1 record(s)2371 13 2 A7A467E8DDC7DCEEF26C0AC4203CA50824604CF15BE4BEBE71DE6D1C D15E798D
DNSKEY
2 record(s)257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
RRSIG
0 record(s)—
Not configured
NSEC
1 record(s)\000.mathjax.org. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Configuredv=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all
DMARC
Configuredv=DMARC1; p=none; rua=mailto:manager@mathjax.org; adkim=r; aspf=r;
DKIM
Selector googlev=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAicoGS0ILA/EOQ+Pr+fTZmaAPdEBXXkfZRoSgVB6hiCBVAFWIFLq2YmGIkpyn5mnkXkGD1Kd8NNkA3jt5I1xRRLMLC7nzdcyIg6cecwDjS7aeLB6qdkO0bxA7diPX9NNpmUM14TPUK2wsCREPjKxJhn7+BahapZbq7A4KHYgP5+BpX/E2unuR08a/zd/9VUooi1IAoecLFfBK8LUz6u+HpTozSEFeU5aHg07PYJV3juxKdaRqi8F9K+7qsomTIreYn9tk+qLI79Ys+c9csK5NYv06P0y6wzcz18J/ExwS3NcHipDtCdgVk2xjlL7FfkbU5pGt9jiR9skVGkeRvzPUcQIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
MathJax | Beautiful math in all browsers.
Description
Beautiful math in all browsers.
Final URL
https://www.mathjax.org/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.mathjax.org/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Google Trust Services
CN
mathjax.org
Valid from
2026-08-02T00:03:04-05:00
Valid until
2026-10-31T01:02:46-05:00
Days remaining
81
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
0 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
Referrer PolicyNot detected
Permissions PolicyNot detected
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8104.26.12.220, 104.26.13.220, 172.67.72.172
60,66 ms
Cloudflare
1.1.1.1104.26.12.220, 104.26.13.220, 172.67.72.172
51,81 ms
Quad9
9.9.9.9104.26.12.220, 104.26.13.220, 172.67.72.172
131,15 ms
OpenDNS
208.67.222.222104.26.12.220, 104.26.13.220, 172.67.72.172
61,15 ms
AdGuard
94.140.14.14104.26.12.220, 104.26.13.220, 172.67.72.172
68,86 ms
IP, geolocation and ASNAssociated network information
104.26.13.220
No datasuccess
No
country
region
city
asn
organization
isp
172.67.72.172
No datasuccess
No
country
region
city
asn
organization
isp
104.26.12.220
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
route2.mx.cloudflare.net
Port 25: Closed/unreachable - 3 ms - Port 465: Closed/unreachable - 10.3 ms - Port 587: Closed/unreachable - 8.6 ms -