outbrain.com

Observed Jul 21, 2026, 19:58 UTC (7h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFastly

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesFacebook/MetaGoogle Search ConsoleSlackFigma

tranco_1k

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

INFRASTRUCTURE MAPwhat outbrain.com actually stands on - every host below is a signed observation

outbrain.com

A / AAAA

151.101.2.132151.101.66.132151.101.130.132151.101.194.132

Fastlyserves the site

dns1.p07.nsone.netdns2.p07.nsone.netdns3.p07.nsone.netdns4.p07.nsone.net+4 more

nsone.net + oblookup.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

*.outbrain.com

Let's Encryptissued its certificate

DNS Records

A 4

151.101.2.132
151.101.66.132
151.101.130.132
151.101.194.132

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 21

MS=ms48668685
_globalsign-domain-verification=9Xqu2bonefjuoUF-XmyjAptAfuE-yStJz6wy9UnH-C
_globalsign-domain-verification=icFLpzAQo0SYmyrGll2mog5qb1q82Pe2Qg9OL5oAN0
v=spf1 mx include:_spf1.outbrain.com include:_spf2.outbrain.com include:_spf3.outbrain.com include:stspg-customer.com include:cust-spf.exacttarget.com include:_spf.google.com ~all
zapier-domain-verification-challenge=a22ab368-4c42-4ff8-b040-4cf1c1738f01
facebook-domain-verification=95x6otar3mcobcgxek6mdupa35zj6b
q39ntf48ggjxp5htv5rrmtszwz1jymnn
mgverify=6f023075008c64bb3b02a08f6b7b0cbf4d25259c8785e8dba3b04090d0496cd6
wiz-domain-verification=ae2911e4ac328294c5d8050ff11f0f6e8bcb228d3fed79d58068445dd301391e
google-site-verification=ngOw9NfQwfa5pyPrpvPtz_wl8q08kMlq9h7kF4KVjmY

NS 8

dns1.p07.nsone.net
dns2.p07.nsone.net
dns3.p07.nsone.net
dns4.p07.nsone.net
ns01.oblookup.com
ns02.oblookup.com
ns03.oblookup.com
ns04.oblookup.com

SOA 1

dns1.p07.nsone.net hostmaster.nsone.net

SRV 10

xmpp-server.l.google.com:5222 p5
xmpp-server1.l.google.com:5222 p20
xmpp-server2.l.google.com:5222 p20
xmpp-server3.l.google.com:5222 p20
xmpp-server4.l.google.com:5222 p20
xmpp-server.l.google.com:5269 p5
alt1.xmpp-server.l.google.com:5269 p20
alt2.xmpp-server.l.google.com:5269 p20
alt3.xmpp-server.l.google.com:5269 p20
alt4.xmpp-server.l.google.com:5269 p20

CAA 5

iodef "email:caa@teads.com"
issue "digicert.com"
issue "letsencrypt.org"
issuewild "digicert.com"
issuewild "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`*.outbrain.com`	C=US, O=Let's Encrypt, CN=YR1	Tue, 06 Oct 2026 01:13:31 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 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 outbrain.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_c9505daa7c6592c3
Output Hash: 962b01aa3512365dae8562205fcda172497af3f3b3b8f3ab0cdf991233a42346
Signature: ed25519:9aab023efa796e6d94952b5de8e1d59dbea58bf0647fa36b7fc949f981e0c11be689daca2926a49ecd6145169346aaf4f548766d843b25a7b8c71d8fd7891101
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/outbrain.com