CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 5,180 material changesacross 5,087+ domains · 24h to ~22h ago · a floor, 2h of 24 walkedNOW546 curated domains not reachablelast probe, steadySITE ERRORS34,661 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,963 sites429 rate-limit / 403 bot-block, a posture signal

drdougcohen.com

Observed Jul 27, 2026, 21:08 UTC (5d 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
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat drdougcohen.com actually stands on - every host below is a signed observation
drdougcohen.com
A / AAAA
198.185.159.145198.49.23.144198.49.23.145198.185.159.144
unattributedserves the site
NS
dns1.p02.nsone.netdns2.p02.nsone.netdns3.p02.nsone.netdns4.p02.nsone.net+4 more
nsone.net + squarespacedns.comanswers its DNS
MX
mx.drdougcohen.com
drdougcohen.comreceives its email
TLS
drdougcohen.com
Let's Encryptissued its certificate

DNS Records

A 4

  • 198.185.159.145
  • 198.49.23.144
  • 198.49.23.145
  • 198.185.159.144

MX 1

  • 30mx.drdougcohen.com

TXT 1

  • v=spf1 ip4:66.96.128.0/18 ?all

NS 8

  • dns1.p02.nsone.net
  • dns2.p02.nsone.net
  • dns3.p02.nsone.net
  • dns4.p02.nsone.net
  • ns01.squarespacedns.com
  • ns02.squarespacedns.com
  • ns03.squarespacedns.com
  • ns04.squarespacedns.com

SOA 1

  • dns1.p02.nsone.net hostmaster.nsone.net

TLS Certificates (3)

Common NameIssuerExpires
drdougcohen.com C=US, O=Let's Encrypt, CN=YR1 Thu, 24 Sep 2026 06:00:44 +0000
YR1 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +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 drdougcohen.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_d18f330c773a06bd
Output Hash
70077aabfbf6f7e4eb6541858378459f56db3a4d6e831e56779400f8acb7bc0e
Signature
ed25519:22a8f6833e1ad61c39fde354bfc468c196b3eb9ee36485affbf5c0c309cc3f83be56a90ff9b2a6cb53b5b7f12898ad7076da90b6ae554d60cf77e75febbdb30d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser