CONTINUOUS INTERNET TELEMETRY24H DRIFT390 material changesacross 350 domains · -268 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,322 curated domains not answering+493 vs yesterdayERRORS22,047 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED61,486 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT390 material changesacross 350 domains · -268 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination selectel.ru · -1 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,322 curated domains not answering+493 vs yesterdayERRORS22,047 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED61,486 throttled or blocked our scanner429 rate-limit / 403 bot-block

nahb.org

Observed Jul 18, 2026, 13:26 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email bySendGrid
Secured byDigiCert
Also usesGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nahb.org actually stands on - every host below is a signed observation
nahb.org
A / AAAA
20.242.243.122
Cloudflareserves the site
NS
anderson.ns.cloudflare.commargaret.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
d330100a.ess.barracudanetworks.comd330100b.ess.barracudanetworks.com
SendGridreceives its email
TLS
*.nahb.org
DigiCert Incissued its certificate

DNS Records

A 1

  • 20.242.243.122

MX 2

  • 10d330100a.ess.barracudanetworks.com
  • 10d330100b.ess.barracudanetworks.com

TXT 10

  • MS=ms68851293
  • anthropic-domain-verification-1wacz5=8FbBlApPNGmVpk4QFVs15FlZv
  • google-site-verification=9dq0zquSGiRHY8TwkiM4OPrWzZZpKmA-62PEyBRvngo
  • ms-domain-verification=76ba9957-a7a5-4978-8977-f3f38d2856ce
  • smartsheet-site-validation=AUUq3mPhmUSj7FT_ci7dBczWrkS32FSD
  • smartsheet-site-validation=qu53bE6DS4jMAKDe3GXVoTKnnVzJImXj
  • v=spf1 ip4:209.249.32.22 ip4:205.201.0.0/16 ip4:3.145.232.16/28 mx include:spf.protection.outlook.com include:spf.US.exclaimer.net include:spf.ess.barracudanetworks.com include:send.nahb.org include:sendgrid.net include:_spf.wishpond.net ~all
  • wp-site-verification=AFpiBCYjvpz7G68m9yNC
  • zEslHeTfkJ2IZ9vRIvSwz/7am2kz7MJMlV85EF+bl6py/VUh+feKgUr6wNIZlNydYJN7vx10081ZCTIrXcwzhw==
  • v=DMARC1; p=quarantine; fo=1; rua=mailto:rua+nahb.org@dmarc.barracudanetworks.com; ruf=mailto:ruf+nahb.org@dmarc.barracudanetworks.com

NS 2

  • anderson.ns.cloudflare.com
  • margaret.ns.cloudflare.com

SOA 1

  • anderson.ns.cloudflare.com dns.cloudflare.com

SRV 1

  • autodiscover.nahb.com:443 p0

TLS Certificates (3)

Common NameIssuerExpires
*.nahb.org C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 Sat, 05 Dec 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
DigiCert Global Root G2 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Fri, 15 Jan 2038 12:00:00 +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 nahb.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
6fab85fa-1a71-4443-99ab-8210db846aaa
Output Hash
1e1965a40f477b55e59095aee920672e17359fd742f0228c38de2d0685ccf194
Signature
ed25519:6a19ae47a86e957d1d554ef3cc6ddde0a210722d5849f96c034f776ed1f794ec5f48c33da3cd535ec31fcb297203e83b045bf713937d16a8730243f3ad994f0d
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser