fiserv.com

Observed Jul 21, 2026, 19:13 UTC (11h 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 onFastly

Email byProofpoint

Secured byDigiCert

Registered withCSC Corporate Domains, Inc.

Also usesDocuSignDockerGoogle Search ConsoleAtlassianMiro

5 subdomains · fortune_500

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

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

fiserv.com

A / AAAA

151.101.3.10151.101.67.10151.101.131.10151.101.195.10

Fastlyserves the site

dns2.p07.nsone.netdns4.p07.nsone.netns1.p201.dns.oraclecloud.netns2.p201.dns.oraclecloud.net

nsone.net + oraclecloud.netanswers its DNS

mxa-00265f01.gslb.pphosted.commxb-00265f01.gslb.pphosted.com

Proofpointreceives its email

TLS

www.fiserv.com

DigiCert Incissued its certificate

DNS Records

A 4

151.101.3.10
151.101.67.10
151.101.131.10
151.101.195.10

MX 2

10mxa-00265f01.gslb.pphosted.com
10mxb-00265f01.gslb.pphosted.com

TXT 56

Dynatrace-site-verification=6702af45-fdc3-4e5b-8e4e-c9b0571968f3__vr9j5nn7e4vvbtubo94gu526h9
onetrust-domain-verification=f0266e443f264394815154216d01be44
h1-domain-verification=agZJZTpsF1CE9svirVCKqHU5FBuEzCPPkHs2NzVmKf5KY6wG
docusign=0371d67d-bccd-48bd-8581-a4011ab45fd8
flexera-domain-verification-zhhplnnzgomfpypr
klaviyo-site-verification=ULTxtq
webexdomainverification.68e7ebd06891d6cee053ad06fc0a97a5=9f558815-85bc-49e6-a1d0-6d48961bb66a
18115065
17816170
webexdomainverification.4C675B8B3013B136E053AB06FC0A3F65=7f825ad8-afbd-4387-8b1d-50ce111e6c26

NS 4

dns2.p07.nsone.net
dns4.p07.nsone.net
ns1.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net

SOA 1

dns2.p07.nsone.net domainadmin.firstdata.com

SRV 3

sip.fiserv.com:5269 p10
sip-dr.fiserv.com:5269 p10
outlook.fiserv.net:443 p0

TLS Certificates (2)

Common Name	Issuer	Expires
`www.fiserv.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Tue, 15 Sep 2026 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000

Subdomains (5)

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 fiserv.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_cc57f96fa2828a1f
Output Hash: 70965da981f2b149f95729e0c22a8c3b472ccf8b266717baf7157489e56dedb4
Signature: ed25519:8bdb0bfe750d34644646e5c6b713b6e5a5bcaeef4b62eb70c34f04c400a54efe94f67ea3f9b50eb0e82b0b12cd82bf619c2decda020191fb2eedac954cd83f07
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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