RE

Reddit.com Domain Trust Report

ACTIVE Reddit — social news aggregation and discussion platform
PRISM VERDICT

reddit.com scores well overall but has attention areas in Email Auth and Security Headers. All other dimensions are healthy.

Last scanned 2h ago · Aug 22, 2026
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OVERALL TRUST SCORE
75 GRADE B
SSL A+
DNS Healthy
EMAIL Partial
SSL GRADE
A+
Expires in 178d
DNS HEALTH
100%
4 nameservers
EMAIL AUTH
1/3
SPF · DKIM · DMARC
HEADERS
C
Score: 60/100
DOMAIN EXPIRY
—
Monitoring...
Warning conditions detected — some monitoring checks are in warning state.

Registration & ownership

WHOIS
Registrar MarkMonitor Inc.
Registered Apr 29, 2005
Updated Mar 28, 2026
Expires Apr 29, 2028
Status client delete prohibit.client transfer prohibit.client update prohibit.server delete prohibit. +2
reddit.com is registered with MarkMonitor Inc., since Apr 29, 2005. Domain registration expires Apr 29, 2028. Status: client delete prohibited.
Full WHOIS report

DNS records

DNS
A 151.101.65.140151.101.129.140151.101.193.140151.101.1.140
AAAA 2a04:4e42:600::3962a04:4e42:400::3962a04:4e42:200::3962a04:4e42::396
MX aspmx.l.google.com (pri 1)aspmx2.googlemail.com (pri 10)aspmx3.googlemail.com (pri 10)alt1.aspmx.l.google.com (pri 5)alt2.aspmx.l.google.com (pri 5)
NS ns-1029.awsdns-00.orgns-1887.awsdns-43.co.ukns-378.awsdns-47.comns-557.awsdns-05.net
TXT 00DV90000052YKT=1TBV90000000AsD00Dbf000005OCRl=1TBbf0000000MJt00Dbf000005OCTN=1TBbf0000000Mer00Do0000000I6Pa=1TBcv0000000HQh614ac4be-8664-4cea-8e29-f84d08ad875c +24 more
reddit.com resolves to 151.101.65.140 and 3 more IPs. Nameservers: ns-1029.awsdns-00.org, ns-1887.awsdns-43.co.uk (+2). IPv6 (AAAA) is configured. Mail handled by 5 MX records.
Full DNS lookup

Hosting & network

NETWORK
IP address 151.101.65.140151.101.129.140151.101.193.140151.101.1.140
IPv6 2a04:4e42:600::3962a04:4e42:400::396 +2
Nameservers ns-1029.awsdns-00.orgns-1887.awsdns-43.co.ukns-378.awsdns-47.comns-557.awsdns-05.net
Protocol HTTPS HTTP/2
IPv6 support ENABLED
reddit.com is hosted at 151.101.65.140 across 4 IPs. Full IPv6 support is configured. DNS is managed through 4 nameservers (ns-1029.awsdns-00.org).
Full IP analysis

SSL / TLS

SECURITY
Valid · A+ DigiCert Inc · expires Feb 17, 2027
178 days remaining
TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0
Full SSL report

Technology detected

STACK
FastlyReactHTTP/2HSTS
Full tech scan

30-day availability

MONITORING
99.90% incidents detected
30d ago today

Email authentication

EMAIL
Full email auth report

Monitoring events

EVENTS
No monitoring events detected — all probes returning clean results.
Run a specific check on reddit.com:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN INTELLIGENCE

What we know about Reddit.com

Reddit.com has been registered for 21 years (since Apr 29, 2005), managed through MarkMonitor Inc., ranked #104 globally by Tranco, categorised as social media. Its current health score is 75/100 (grade B), reflecting strong SSL, DNS, and email authentication posture. As a social platform with broad API exposure, its DNS configuration and security headers directly affect third-party integrations and authentication flows.

Security Posture Grade B

reddit.com's security posture: SSL is valid (issued by DigiCert Inc), expiring in 178 days; security headers have gaps.

SSL A+
Headers C
SSL expiry 178d
Health score 75/100
Email Authentication Partial

SPF is configured, restricting which servers can send email as this domain. DMARC is absent or set to "none" — no enforcement against email spoofing.

SPF Configured
DMARC policy none
Spoofable Yes
Network Infrastructure IPv6

reddit.com resolves to 4 IP addresses (151.101.65.140 and 3 more), IPv6 is enabled, DNS is managed through ns-1029.awsdns-00.org and ns-1887.awsdns-43.co.uk (+2 more), email routed through 5 MX records.

Primary IP 151.101.65.140
Nameservers 4
MX records 5
A records 4
DOMAIN LIFECYCLE
Registered Apr 29, 2005 21 years old
Last updated Mar 28, 2026
Expires Apr 29, 2028
Registrar MarkMonitor Inc.
SSL issued by DigiCert Inc
DomainScan monitors reddit.com 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 2h ago
EXPLORE MORE

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