CONTINUOUS INTERNET TELEMETRY24H DRIFT2,519 material changesacross 2,297 domains · -32 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination cloudflare.com · -1 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT2 domains switched issuing CA24h · -3 vs yesterdayNOW3,329 curated domains not answeringlast probe, steadyERRORS10,919 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,519 material changesacross 2,297 domains · -32 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination cloudflare.com · -1 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT2 domains switched issuing CA24h · -3 vs yesterdayNOW3,329 curated domains not answeringlast probe, steadyERRORS10,919 responded with an errorlast probe · 5xx / 404 / 429 / 403

simpson.com

Observed 2026-07-13T00:22:04.506436863+00:00 (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Email byMimecast
Registered withNetwork Solutions, LLC
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat simpson.com actually stands on - every host below is a signed observation
simpson.com
NS
ns64.worldnic.comns63.worldnic.com
worldnic.comanswers its DNS
MX
us-smtp-inbound-1.mimecast.comsimpson-com.mail.protection.outlook.comus-smtp-inbound-2.mimecast.com
Mimecastreceives its email

DNS Records

MX 3

  • 0us-smtp-inbound-1.mimecast.com
  • 10simpson-com.mail.protection.outlook.com
  • 0us-smtp-inbound-2.mimecast.com

TXT 18

  • duo_sso_verification=7v3bbCgIesvW1cX6yTH0JTWld0JF0g4ZXZZawwSJ8XTvt66IlbOKnDH6v5ssdRi4
  • MS=ms13275623
  • include:_spf.messagegears.net
  • ats330bc8l9uk53b49kcbbrtkm
  • v=spf1 ip4:50.237.43.114 ip4:207.224.235.250 ip4:64.226.125.68 ip4:68.168.242.100 include:e2ma.net include:servers.mcsv.net include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.psm.knowbe4.com include:u.simpson.com include:_spf.smartondmarc.com -all
  • e2ma-verification=fasab
  • dena0puncpm7bjk6rh63v04j0j
  • qvtlpv5t0bgp19shqegtdimi4s
  • v=DMARC1; p=none; pct=100; sp=none; rua=mailto:0b7aa699@inbox.ondmarc.com,mailto:dmarc-reports@simpson.com; ruf=mailto:0b7aa699@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
  • emg2rj4docdavf1kejtm3c5cr9

NS 2

  • ns64.worldnic.com
  • ns63.worldnic.com

SOA 1

  • NS63.WORLDNIC.com namehost.WORLDNIC.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 simpson.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
04de267d-efee-417b-935d-c23790b3a0f6
Output Hash
d5cdf09843590a64dc4a184e7849c3c978d17204e4231af4ebeb441ced26d120
Signature
ed25519:c6e53754f67ff778eb543c7098731b75670197425cc5da730f42be8a67d0dc570f8c928daccea36ba1ad1c0f1a65281dd5fa3e5a2591f39299abfee89a02090f
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser