osti.gov

Observed Jul 18, 2026, 13:08 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onMicrosoft Corporation

Email byProofpoint

Secured bySectigo

Registered withget.gov

Also usesGoogle Search Console

tranco_20k

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

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

osti.gov

A / AAAA

192.107.175.222

Microsoft Corporationserves the site

edns1.ultradns.bizedns1.ultradns.comedns1.ultradns.netedns1.ultradns.org

ultradns.biz + ultradns.com + moreanswers its DNS

mxa-001d2d01.gslb.gpphosted.commxb-001d2d01.gslb.gpphosted.com

Proofpointreceives its email

TLS

*.osti.gov

Sectigo Limitedissued its certificate

DNS Records

A 1

192.107.175.222

MX 2

10mxa-001d2d01.gslb.gpphosted.com
10mxb-001d2d01.gslb.gpphosted.com

TXT 5

apple-domain-verification=TuByGWnIxOIvM8LY
bw=jRpq2U7+II3/FzYaEiwpCnh3ZDGH28AuUkrKYPYh/8yw
google-site-verification=FOxfJAYfF6bUxk-DcOPrVwdjGe7Ii4243_HudkOH5e0
v=spf1 ip4:192.107.175.4 ip4:192.107.175.11 ip4:192.107.175.223 ip4:205.254.128.11 ip4:205.254.128.12 ip4:205.254.128.13 ip4:205.167.107.4 ip4:205.167.107.5 include:spf.protection.outlook.com include:spf-001d2d01.gpphosted.com -all
v=DMARC1;p=reject; sp=reject;pct=100;rua=mailto:mailadmin@osti.gov,mailto:reports@dmarc.cyber.dhs.gov

NS 4

edns1.ultradns.biz
edns1.ultradns.com
edns1.ultradns.net
edns1.ultradns.org

SOA 1

edns1.ultradns.com premiumdns.support.neustar

TLS Certificates (3)

Common Name	Issuer	Expires
`*.osti.gov`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36	Fri, 04 Sep 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA DV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 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

Subdomains (0)

None observed.

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 osti.gov. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 8734c503-22a0-4efa-9efd-818a2546f1d7
Output Hash: f800c4ad1b746d248422492f05feca4ba259da25accbed123f2688227682cb6e
Signature: ed25519:06c3dfa18be1a3f54ab27d8a0bddea7f73b912fbe8df4483ac95150e6cb80ae5480711f662796274c4d4f5d58f9db1b6f8d9bbf1b12228c04502bc53a2b4530b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/osti.gov