CONTINUOUS INTERNET TELEMETRY24H DRIFT2,230 material changesacross 2,029 domains · -321 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,393 curated domains not answeringlast probe, steadyERRORS10,883 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,230 material changesacross 2,029 domains · -321 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.comEMAIL DRIFT5 domains switched email providertop destination google.comCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,393 curated domains not answeringlast probe, steadyERRORS10,883 responded with an errorlast probe · 5xx / 404 / 429 / 403

nbc.com

Observed 2026-07-13T19:10:32.856Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byProofpoint
Secured byAmazon
Registered withMarkMonitor Inc.
Also usesGoogle Search ConsoleAtlassian
63 subdomains · media_entertainment
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nbc.com actually stands on - every host below is a signed observation
nbc.com
A / AAAA
23.206.188.6823.206.188.19
Cloudflareserves the site
NS
a7-66.akam.neta1-196.akam.neta13-66.akam.neta22-64.akam.net+2 more
akam.netanswers its DNS
MX
mx0a-00176a04.pphosted.commxb-00176a04.gslb.pphosted.commxa-00176a04.gslb.pphosted.commx0b-00176a04.pphosted.com
Proofpointreceives its email
TLS
nbc.com
Amazonissued its certificate

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.nbc.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time83 ms
DNS resolutionNOERROR
Redirect chain
https://www.nbc.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

  • 23.206.188.68
  • 23.206.188.19

MX 4

  • 20mx0a-00176a04.pphosted.com
  • 10mxb-00176a04.gslb.pphosted.com
  • 10mxa-00176a04.gslb.pphosted.com
  • 20mx0b-00176a04.pphosted.com

TXT 17

  • _ndyg416yahogevwlm0ic5nygguvju1k
  • v=DMARC1; p=none; fo=1; rua=mailto:nbcdmarc@leanplum.com;ruf=mailto:nbcdmarc@leanplum.com
  • google-site-verification=g-qMWSt-zMMBUvOnxoKpZMYB3jGYvjhM3yB8Y8S3bSI
  • _z3odyixzmzrqpj9dpt4iaa531wybjt9
  • google-site-verification=xykurxD47PJxoK-w3FIi0n-0X5VfqO23pOjqVSKZLh0
  • google-site-verification=2HGzrNBjTm0TMAyT8psrvan75ZAlVTk7w6b32zTfyZA
  • atlassian-domain-verification=hnOZC9WrGJKmk3t83oojZWEloANSWU2MnvQDVGqe6laUY0fpn5KKgGOPrcZ0ufQY
  • amazonses:nrQBHklCs2OPiiTmnS3ISGeWKvTa4/zdzxdbRZYbFWY=
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • google-site-verification=7cupNx2PaD4wrzsatdYeSL5i_h9_ZFrSYg7QXn_F0kM

NS 6

  • a7-66.akam.net
  • a1-196.akam.net
  • a13-66.akam.net
  • a22-64.akam.net
  • a16-65.akam.net
  • a2-64.akam.net

SOA 1

  • ns1.nbcuni.com domain\.admin.nbcuni.com

TLS Certificates (0)

None.

Subdomains (63)

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

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

Ed25519 Receipt

Receipt ID
6998eb28-de6a-4e99-817e-d26a412eb42c
Output Hash
2a181508d0f911b9dd91f5263c52bfd5b49f9a30b939199c211690ed4c249ba0
Signature
ed25519:adf02a9e5c349c528f0f3f8b1ba319b14d2e2a1dbc83d0139329410b80f886179d098d618db2e45d39ee67c405e024b662bb12e8ba43e081b51900d3d4556d0f
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser