irs.gov

Observed Jul 21, 2026, 19:16 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onInternal Revenue Service

Secured byEntrust Limited

Registered withget.gov

Also usesGoogle Search Console

IPv6 · 1 subdomain · government_expanded

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat irs.gov actually stands on - every host below is a signed observation

irs.gov

A / AAAA

152.216.7.110152.216.11.1102610:30:4000:402::1102610:30:2000:402::110

Internal Revenue Serviceserves the site

ns0022.secondary.cloudflare.comns0227.secondary.cloudflare.com

cloudflare.comanswers its DNS

emgc.irs.govemge.irs.govemgw.irs.gov

irs.govreceives its email

TLS

irs.gov

Entrust Limitedissued its certificate

DNS Records

A 2

152.216.7.110
152.216.11.110

AAAA 2

2610:30:4000:402::110
2610:30:2000:402::110

MX 3

10emgc.irs.gov
10emge.irs.gov
20emgw.irs.gov

TXT 3

v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -all
google-site-verification=GsJzgbUY39iE6wPNlPdZCPGWwyhYpWwxpVxaU8g-Aa4
v=DMARC1; p=reject; rua=mailto:dmarc-agg-feed@ofdp.irs.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarc-for-feed@ofdp.irs.gov; fo=1

NS 2

ns0022.secondary.cloudflare.com
ns0227.secondary.cloudflare.com

SOA 1

ns1.irs.gov it\.aciouns\.external\.dns\.admin.irs.gov

TLS Certificates (4)

Common Name	Issuer	Expires
`irs.gov`	C=CA, O=Entrust Limited, CN=Entrust OV TLS Issuing RSA CA 2	Tue, 18 Aug 2026 23:59:59 +0000
`Entrust OV TLS Issuing RSA CA 2`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 10 Dec 2027 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000
`USERTrust RSA Certification Authority`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (1)

www.irs.gov

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for irs.gov. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/irs.gov">
  <img src="https://domaindrift.io/badge/irs.gov.svg"
       width="300" height="64" alt="DomainDrift signed observations for irs.gov">
</a>

Ed25519 Receipt

Receipt ID: rcpt_a5d6b601280c2ab3
Output Hash: 96ed5be655e3dfa8bfa7ddea35695c707877c31066d0b0105a5f06a129cdc317
Signature: ed25519:af81d0ecf4e7daf4698d83269fa12a531b373c3fe01dae1bf1a48af337134ba1effd2b85085df6e9a7b94d9bc7218adbe6721f0c609a827db08887aed574f108
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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