audable.com

Observed Jul 20, 2026, 20:21 UTC (4d 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

Not responding

Signed observation on record.

tranco

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

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

audable.com

A / AAAA

206.18.166.7

unattributedserves the site

pdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.org+2 more

ultradns.net + ultradns.org + moreanswers its DNS

sungardmta-1.messageone.comsungardmta-2.messageone.comsungardmta-3.messageone.com

messageone.comreceives its email

DNS Records

A 1

206.18.166.7

MX 3

20sungardmta-1.messageone.com
20sungardmta-2.messageone.com
20sungardmta-3.messageone.com

TXT 1

v=spf1 ip4:63.240.84.0/24 ip4:206.18.166.0/23 a:mailbox.hq.audible.com include:delivery.net ip4:64.238.193.17 ip4:64.238.193.18 ip4:64.238.193.19 64.238.193.20 ip4:216.203.33.178 ip4:216.203.33.179 ~all

NS 6

pdns1.ultradns.net
pdns2.ultradns.net
pdns3.ultradns.org
pdns4.ultradns.org
pdns5.ultradns.info
pdns6.ultradns.co.uk

SOA 1

dns-external-master.amazon.com postmaster.audible.com

TLS Certificates (0)

None.

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

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

Ed25519 Receipt

Receipt ID: rcpt_a1d0dbac0b2734c9
Output Hash: 5e26eec735e17e45c74c36e8fa51bf2b41815928c41ab80f2957887705360821
Signature: ed25519:0d7c872024ac02e2ab62a87a0863905d1d5380fa7facfb6ec57a9a5daf08f2037278f3953ae3835abc1848b7bd85baf8175ffccc3aaa6280f537e22eae406f07
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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