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rsac.com

Observed Jul 29, 2026, 03:37 UTC (18h 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.

Up right now
Runs onCloudflare
Secured byGoogle Trust Services
6 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rsac.com actually stands on - every host below is a signed observation
rsac.com
A / AAAA
104.18.34.190172.64.153.66
Cloudflareserves the site
NS
iris.ns.cloudflare.comtrey.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx1.rsac.iphmx.commx2.rsac.iphmx.com
iphmx.comreceives its email
TLS
rsac.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.18.34.190
  • 172.64.153.66

MX 2

  • 10mx1.rsac.iphmx.com
  • 10mx2.rsac.iphmx.com

TXT 15

  • DZC=qFDjN5kb
  • MS=ms64830020
  • TtMCabZ2zPV9Z8+5zdCjFqGzCML35PbvIgQLCGKwGm9cZ5olt28See4E2MQsGKE4zZiu9m9pYuEVeYeJLm/tFw==
  • adobe-idp-site-verification=512e01f7a77f5ab721b8fd78e83e9efe30f7edef55f3aaeaa1c0458707b022a7
  • apple-domain-verification=KOXh8PNtouW1suxi
  • cisco-ci-domain-verification=5c7cdeb6c7e598a08255c42e65cbf3d5e85eba04e9204f042e77e1c9c1de953d
  • cloudhealth=b54b05c6-6102-4b6c-b889-bfce2aec8fd1
  • i2b5qrglj6lc59t6kuv98a547v
  • kqj1hs9jq2vdi2finda4rseh1q
  • nqntasv1o4na76r3geuu8os0ia

NS 2

  • iris.ns.cloudflare.com
  • trey.ns.cloudflare.com

SOA 1

  • iris.ns.cloudflare.com dns.cloudflare.com

SRV 5

  • expe.rsac.com:5060 p10
  • expe2.rsac.com:5060 p20
  • sipdir.online.lync.com:443 p100
  • expe2.rsac.com:5061 p20
  • expe.rsac.com:5061 p10

TLS Certificates (3)

Common NameIssuerExpires
rsac.com C=US, O=Google Trust Services, CN=WE1 Mon, 12 Oct 2026 03:44:28 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (6)

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

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

Ed25519 Receipt

Receipt ID
rcpt_184c1010be738328
Output Hash
d217cb7810a05504f50338887bdb593ec53ae909c51122d07c6b41fd04d42d68
Signature
ed25519:71b0db7e6e77ceecdfdd6813038adfb319b674be587391c55ba20bf1b40aacc93b411000c3f76ea0625fc4fa4dd1027e360d8ed194cd505f9fd2d82d5c1e4803
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser