CONTINUOUS INTERNET TELEMETRY24H DRIFT13,738 material changesacross 10,983 domains · last 24hNOW541 curated domains not reachable+39 vs yesterdaySITE ERRORS35,020 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,225 sites429 rate-limit / 403 bot-block, a posture signal

duffandphelps.com

Observed Jul 28, 2026, 14:44 UTC (22h 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
Email byMimecast
Secured byGoogle Trust Services
Also usesAtlassianDockerFacebook/MetaSlack
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duffandphelps.com actually stands on - every host below is a signed observation
duffandphelps.com
A / AAAA
162.159.135.81162.159.136.812606:4700:7::a29f:87512606:4700:7::a29f:8851
Cloudflareserves the site
NS
arya.ns.cloudflare.comnick.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
usb-smtp-inbound-1.mimecast.comusb-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
duffandphelps.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 162.159.135.81
  • 162.159.136.81

AAAA 2

  • 2606:4700:7::a29f:8751
  • 2606:4700:7::a29f:8851

MX 2

  • 10usb-smtp-inbound-1.mimecast.com
  • 10usb-smtp-inbound-2.mimecast.com

TXT 29

  • 112z85t6vjh28v36d0y1jpzdl4nsg93t
  • 2934359
  • 5b659a1a3df7c979b756e64dda627e4eb6057a57494f490479c344248e0693e4
  • 72j4qpsqm7p18e9hs8vp9sdpc5
  • MS=ms44304506
  • TIRn50RlR4U+B+noW2b3egCcEtBouh9iT2jf9FxceKdXYCld2z9MvkkI+PfBkezFVi78zhemRSVRL3gABQin3w==
  • _3r2z0zkc2l0yz2902icpihrnlgve9od
  • _lp0f065sicaaq7q8veq2i36664c8jaq
  • anthropic-domain-verification-4jt7kx=KztOGx5v6LTiYLSczDj1grKbC
  • apple-domain-verification=UXeJBcOPtuxdsuNp

NS 2

  • arya.ns.cloudflare.com
  • nick.ns.cloudflare.com

SOA 1

  • arya.ns.cloudflare.com dns.cloudflare.com

SRV 4

  • na-expressway-edge02.duffandphelps.com:5060 p0
  • na-expressway-edge01.duffandphelps.com:5060 p0
  • na-expressway-edge01.duffandphelps.com:5061 p0
  • na-expressway-edge02.duffandphelps.com:5061 p0

TLS Certificates (3)

Common NameIssuerExpires
duffandphelps.com C=US, O=Google Trust Services, CN=WE1 Thu, 03 Sep 2026 02:48:24 +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 (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 duffandphelps.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_a1411798f5352b3a
Output Hash
38107e59706f4635ee7223463c4729fb1fb26088398645c828ce10dbb7fb8835
Signature
ed25519:d8dbe016a9383fc55547a9227218bf765ad2d8aea0802ab420bef0fd36a004e553a8c50cb50b1a8853e9efd4c81a9f6c9e07b25c2b16e6d0938b8e2b41022100
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser