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Gridlode
Rank #9,823Updated November 10, 2026

sf.gov

sf.gov is registered with get.gov since May 6, 2016 (10.5 years). The registration expires on October 29, 2027. Its email security grade is B. Its SSL certificate is issued by ZeroSSL GmbH and is valid for 82 more days.

Domain age
10.5 yrs
Technologies
—
Email security
B
SSL days left
82

Registration

Registrarget.gov
IANA ID8888888
RegisteredMay 6, 2016
ExpiresOctober 29, 2027
UpdatedOctober 5, 2026
Statusserver transfer prohibited
Name serversdns101.netops.sspdata.net, dns111.netops.sspdata.net, dns121.netops.sspdata.net, ns1.sfgov.org, ns2.sfgov.org
DNSSECNot signed
RegistrantCity and County of San Francisco, United States

DNS records

TypeValueTTL
A75.2.65.169900
A99.83.129.68900
MXsf-gov.mail.protection.outlook.com 103600
NSdns101.netops.sspdata.net86400
NSdns111.netops.sspdata.net86400
NSns2.sfgov.org86400
NSdns121.netops.sspdata.net86400
NSns1.sfgov.org86400
NSdns101.tripwire.net86400
TXTsnowflake-verification=a41be064-01a1-1000-8064-0000000007d63600
TXToci-domain-verification=QYHsHD4fh2q7Wwyj5YJVAHVmCG7Kvv3oPzbSJAjbbk1y3600
TXTgoogle-site-verification=C4AI0cMxAOc2IbxItWVG9C1FczHTDhVLTCWtxUhUqWU3600
TXTwiz-domain-verification=fc63fe570ce0cddd8026f7878b661ec65fcd7e8e2f2c8311cd37342692f76b133600
TXTv=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.0c.spf-protect.agari.com include:spf.protection.outlook.com -all3600
TXTMS=ms175642343600
TXTnvV3VqPA+DD/jH9FnmhF+g==3600
TXTdocusign=92d9f90e-f9a6-4cd3-af97-8f74034e705d3600
TXTanthropic-domain-verification-b339m0=mRXUdtYK0gdj3mZoLZSLw67Wi3600
TXTsmartsheet-site-validation=P8AirepFo92cHGbverZhHjuvOG68nEpb3600
TXTopenai-domain-verification=dv-OdorwpX6Pm7rVJkiv0mByNDw3600
TXTdocusign=30425ed2-d2d2-404f-a020-53c52c8704f73600

SSL certificate

ValidValid
IssuerAT, ZeroSSL RSA DV SSL CA 2, ZeroSSL GmbH
ExpiresFebruary 1, 2027
Days remaining82
ProtocolTLSv1.2
Namessf.gov

Email security

BScore 85/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector1).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

Languageen
IndexableYes
Word count0

About sf.gov

Who is the registrar of sf.gov?

sf.gov is registered with get.gov (IANA ID 8888888).

When does sf.gov expire?

The current registration of sf.gov expires on October 29, 2027. It was first registered on May 6, 2016.

Does sf.gov protect its email with SPF and DMARC?

sf.gov scores 85/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.

What are the name servers of sf.gov?

sf.gov uses dns101.netops.sspdata.net, dns111.netops.sspdata.net, ns2.sfgov.org, dns121.netops.sspdata.net, ns1.sfgov.org, dns101.tripwire.net.