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Zoom.us Domain Trust Report

ACTIVE Zoom — video conferencing platform with 300M+ daily users
PRISM VERDICT

zoom.us shows moderate health — Security Headers and Email Auth need attention. Review the breakdown below.

Last scanned 23m ago · Aug 22, 2026
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OVERALL TRUST SCORE
74 GRADE C
SSL A+
DNS Healthy
EMAIL Partial
SSL GRADE
A+
Expires in 129d
DNS HEALTH
100%
4 nameservers
EMAIL AUTH
1/3
SPF · DKIM · DMARC
HEADERS
F
Score: 15/100
DOMAIN EXPIRY
—
Monitoring...
Critical issues detected — one or more dimensions require immediate attention.

Registration & ownership

WHOIS
Registrar MarkMonitor, Inc.
Registrant Domain Administrator
Registered Apr 24, 2002
Updated Apr 18, 2026
Expires Apr 24, 2027
Status clientDeleteProhibited https://icann.org/epp#clientDeleteProhibitedclientTransferProhibited https://icann.org/epp#clientTransferProhibitedclientUpdateProhibited https://icann.org/epp#clientUpdateProhibitedserverUpdateProhibited https://icann.org/epp#serverUpdateProhibited +2
zoom.us is registered with MarkMonitor, Inc., since Apr 24, 2002. Domain registration expires Apr 24, 2027. Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited.
Full WHOIS report

DNS records

DNS
A 170.114.52.2
AAAA 2407:30c0:182::aa72:3402
MX mxa-00569201.gslb.pphosted.com (pri 10)mxb-00569201.gslb.pphosted.com (pri 10)
NS ns-1137.awsdns-14.orgns-1772.awsdns-29.co.ukns-387.awsdns-48.comns-888.awsdns-47.net
TXT HaFoSdUeCSdJo9U8lG@NWZ6vnoRltUteEAl&yuY$$eE25sKJguFH58Lss%9@e73OK#XigH^i3mCDjax&…SFMC-FEDGKE8lGkIFM2TngfZtUoES_Ep-nR1DSOvRZFxzadobe-idp-site-verification=7116ab50a89b2c2402382aea3362209410eac90f2a590f358ce1…anthropic-domain-verification-8fadf7=uwajz3dDn6eAq3Yl6LtArZNBAapple-domain-verification=CbBNkhNvbPFzgvvv +40 more
zoom.us resolves to 170.114.52.2. Nameservers: ns-1137.awsdns-14.org, ns-1772.awsdns-29.co.uk (+2). IPv6 (AAAA) is configured. Mail handled by 2 MX records.
Full DNS lookup

Hosting & network

NETWORK
IP address 170.114.52.2
IPv6 2407:30c0:182::aa72:3402
Nameservers ns-1137.awsdns-14.orgns-1772.awsdns-29.co.ukns-387.awsdns-48.comns-888.awsdns-47.net
Protocol HTTPS HTTP/2
IPv6 support ENABLED
zoom.us is hosted at 170.114.52.2. Full IPv6 support is configured. DNS is managed through 4 nameservers (ns-1137.awsdns-14.org).
Full IP analysis

SSL / TLS

SECURITY
Valid · A+ DigiCert Inc · expires Dec 30, 2026
129 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
99.50% 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 zoom.us:
DNS lookup WHOIS SSL check Security headers Email auth Screenshot
DOMAIN INTELLIGENCE

What we know about Zoom.us

Zoom.us has been registered for 24 years (since Apr 24, 2002), managed through MarkMonitor, Inc., ranked #84 globally by Tranco, categorised as communications. Its current health score is 74/100 (grade C) — generally healthy but with some configuration gaps worth reviewing. As a communications platform, its email authentication configuration (SPF, DKIM, DMARC) and DNS reliability directly affect message deliverability and spoofing resistance.

Security Posture Grade C

zoom.us's security posture: SSL is valid (issued by DigiCert Inc), expiring in 129 days; security headers are largely missing.

SSL A+
Headers F
SSL expiry 129d
Health score 74/100
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

zoom.us resolves to 170.114.52.2, IPv6 is enabled, DNS is managed through ns-1137.awsdns-14.org and ns-1772.awsdns-29.co.uk (+2 more), email routed through 2 MX records.

Primary IP 170.114.52.2
Nameservers 4
MX records 2
A records 1
DOMAIN LIFECYCLE
Registered Apr 24, 2002 24 years old
Last updated Apr 18, 2026
Expires Apr 24, 2027
Registrar MarkMonitor, Inc.
Registrant Domain Administrator
SSL issued by DigiCert Inc
DomainScan monitors zoom.us 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 23m ago
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