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Mozilla.org Domain Trust Report

ACTIVE Mozilla — non-profit behind Firefox browser and web standards
PRISM VERDICT

mozilla.org scores well overall but has attention areas in SSL Certificate and Email Auth and Security Headers. All other dimensions are healthy.

Last scanned 2m ago · Sep 21, 2026
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OVERALL TRUST SCORE
82 GRADE B
SSL warn
DNS Healthy
EMAIL Strong
SSL GRADE
B
Expires in 83d
DNS HEALTH
100%
4 nameservers
EMAIL AUTH
2/3
SPF · DKIM · DMARC
HEADERS
C
Score: 60/100
DOMAIN EXPIRY
124d
Jan 23, 2027
Warning conditions detected — some monitoring checks are in warning state.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Jan 24, 1998
Updated Sep 15, 2026
Expires Jan 23, 2027 124d
Status client delete prohibit.server delete prohibit.
mozilla.org is registered with MarkMonitor Inc., since Jan 24, 1998. Domain registration expires Jan 23, 2027 (124 days). Status: client delete prohibited.
Full WHOIS report

DNS records

DNS
A 35.190.14.201
AAAA 2600:1901:0:c197::
MX alt2.aspmx.l.google.com (pri 5)aspmx3.googlemail.com (pri 10)alt1.aspmx.l.google.com (pri 5)aspmx.l.google.com (pri 1)
NS ns5-65.akam.netns1-240.akam.netns7-66.akam.netns4-64.akam.net
TXT yandex-verificationrz8t7zvjv5frpfbjs3y5n6g5tkw7gt2qgoogle-site-verification=E1vBHtOW-D9IlAj-pbRM-8PrOSiPDT48lrwRlW82yswgoogle-site-verification=mU3ta-ZJga-aCNg7IlaRaGYK9sDOMagHRNGVW1FSJGEgoogle-site-verification=z68pON7CWSaZu_sBqDQofmDL19OVp3krGEjaDl7cSaU +12 more
CAA comodoca.comamazonaws.comcertainly.comletsencrypt.orgamazontrust.comdigicert.comsectigo.comamazon.comawstrust.compki.goog
mozilla.org resolves to 35.190.14.201. Nameservers: ns5-65.akam.net, ns1-240.akam.net (+2). IPv6 (AAAA) is configured. Mail handled by 4 MX records.
Full DNS lookup

Hosting & network

NETWORK
IP address 35.190.14.201
IPv6 2600:1901:0:c197::
Nameservers ns5-65.akam.netns1-240.akam.netns7-66.akam.netns4-64.akam.net
Protocol HTTPS HTTP/2
IPv6 support ENABLED
mozilla.org is hosted at 35.190.14.201. Full IPv6 support is configured. DNS is managed through 4 nameservers (ns5-65.akam.net).
Full IP analysis

SSL / TLS

SECURITY
Valid · B Google Trust Services · expires Dec 13, 2026
83 days remaining
TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0
Full SSL report

Technology detected

STACK
HTTP/2TLS 1.3HSTSIPv6
Full tech scan

30-day availability

MONITORING
99.90% no incidents
30d ago today

Email authentication

EMAIL
Full email auth report

Monitoring events

19 total EVENTS
SPF include `spf.fundraiseup.com` returned no record 11h ago
high email SPF_INCLUDE_BROKEN
expanded
SPF include `%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email` returned no record 11h ago
high email SPF_INCLUDE_BROKEN
expanded
SPF include `spf.fundraiseup.com` returned no record 3d ago
high email SPF_INCLUDE_BROKEN
expanded
+4 more — view live
Run a specific check on mozilla.org:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN LIFECYCLE
Registered Jan 24, 1998 28 years old
Last updated Sep 15, 2026
Expires Jan 23, 2027 124 days remaining
Registrar MarkMonitor Inc.
SSL issued by Google Trust Services
DOMAIN INTELLIGENCE

What we know about Mozilla.org

Mozilla.org has been registered for 28 years (since Jan 24, 1998), managed through MarkMonitor Inc., ranked #103 globally by Tranco, categorised as browser & tech. Its current health score is 82/100 (grade B), reflecting strong SSL, DNS, and email authentication posture. As a browser or core web technology provider, its own security header configuration and TLS posture set a reference standard for the broader web.

Security Posture Grade B

mozilla.org's security posture: SSL certificate needs attention — only 83 days until expiry; security headers have gaps; no blacklist entries found.

SSL warn
Headers C
SSL expiry 83d
Health score 82/100
Email Authentication Strong

SPF is configured, restricting which servers can send email as this domain. DMARC policy is set to "reject" — spoofed emails are rejected.

SPF Configured
DMARC policy reject
Spoofable No
Network Infrastructure IPv6

mozilla.org resolves to 35.190.14.201, IPv6 is enabled, DNS is managed through ns5-65.akam.net and ns1-240.akam.net (+2 more), email routed through 4 MX records.

Primary IP 35.190.14.201
Nameservers 4
MX records 4
A records 1
DomainScan monitors mozilla.org continuously — DNS every hour, SSL & email auth every 6 h, security headers every 12 h, WHOIS every 24 h. Every detected change triggers a severity-classified monitoring event. Refreshed 2m ago
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