CONTINUOUS INTERNET TELEMETRY24H DRIFT10,596 material changesacross 10,159 domains · -33 vs yesterdayDNS DRIFT742 domains changed DNS providertop destination parity.domains · -38 vs yesterdayEMAIL DRIFT192 domains switched email providertop destination cloudflare.net · +22 vs yesterdayCERT DRIFT225 domains switched issuing CA24h · -5 vs yesterdayNOW732 curated domains not reachable-617 vs yesterdaySITE ERRORS18,050 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED95,501 throttled or blocked our scanner429 rate-limit / 403 bot-block

tcpdump.org

Observed Jul 20, 2026, 01:39 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.

Up right now
Runs onCloudflare
Email byZoho Mail
IPv6 · 4 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tcpdump.org actually stands on - every host below is a signed observation
tcpdump.org
A / AAAA
62.100.206.1482a03:2800:500::625
Cloudflareserves the site
NS
ns2.mythic-beasts.comns1.mythic-beasts.com
mythic-beasts.comanswers its DNS
MX
mx3.zoho.commx2.zoho.commx.zoho.com
Zoho Mailreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.tcpdump.org/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time433 ms
DNS resolutionNOERROR
Redirect chain
https://www.tcpdump.org/

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

DNS Records

A 1

  • 62.100.206.148

AAAA 1

  • 2a03:2800:500::625

MX 3

  • 50mx3.zoho.com
  • 20mx2.zoho.com
  • 10mx.zoho.com

TXT 2

  • v=spf1 include:zoho.com -all
  • v=DNSSEC1; (detected)

NS 2

  • ns2.mythic-beasts.com
  • ns1.mythic-beasts.com

SOA 1

  • ns2.mythic-beasts.com hostmaster.mythic-beasts.com

CAA 2

  • issuewild ;
  • issue ;

TLS Certificates (0)

None.

Subdomains (4)

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 tcpdump.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_4f59d4ebf09a0db9
Output Hash
008255880396a470ce0b35e0964fe01f6105bfae0fa5a284f3fd381a6d4020e1
Signature
ed25519:2cb3476d5d567afe05bfc979ad466b3cc81d335c8281303740024c8c7e350ab4198267695dbd8b11ad571c247b23428965a129fa416a640033d37eb9a8a30700
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser