CONTINUOUS INTERNET TELEMETRY24H DRIFT10,773 material changesacross 10,349 domains · +144 vs yesterdayDNS DRIFT761 domains changed DNS providertop destination parity.domains · -19 vs yesterdayEMAIL DRIFT188 domains switched email providertop destination outlook.com · +18 vs yesterdayCERT DRIFT210 domains switched issuing CA24h · -20 vs yesterdayNOW865 curated domains not reachable-484 vs yesterdaySITE ERRORS18,382 sites serving errorslast probe · 5xx / 404 / TLSTHROTTLED95,072 throttled or blocked our scanner429 rate-limit / 403 bot-block

biomedcentral.com

Observed Jul 21, 2026, 19:59 UTC (2d 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
Email byProofpoint
Secured byLet's Encrypt
Registered withEuroDNS S.A.
Also usesDocuSign1PasswordDockerFacebook/MetaGoogle Search ConsoleFigma
tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat biomedcentral.com actually stands on - every host below is a signed observation
biomedcentral.com
A / AAAA
146.75.28.95
unattributedserves the site
NS
pdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.org+2 more
ultradns.net + ultradns.org + moreanswers its DNS
MX
mxa-002c5801.gslb.pphosted.commxb-002c5801.gslb.pphosted.com
Proofpointreceives its email
TLS
biomedcentral.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 146.75.28.95

MX 2

  • 10mxa-002c5801.gslb.pphosted.com
  • 10mxb-002c5801.gslb.pphosted.com

TXT 22

  • MS=ms78691022
  • Hello GlobalSign CEOS1602043687
  • docusign=c61dc97d-90e4-4de9-af63-e70f97e1f783
  • canva-site-verification=Jmh9diDco9XlartV5akcdA
  • 1password-site-verification=SSE6LJR5OZCBPHTQVLNARPIPGI
  • amazonses:wq0TMrNu/vcOjc2BZI7xzuBznIUVO0yeSNu+kZ0/eV4=
  • docker-verification=4885e084-3f59-48db-93af-4a98f58a61eb
  • deepl-domain-verification=b8faec8a0acd4830a6c745d36a104c04
  • facebook-domain-verification=xre922w5m9nvmw5waqvlmnq41x7dcz
  • anthropic-domain-verification-xrx7w7=tReUnYJJ3wTsWsyQdP8GakqR6

NS 6

  • pdns1.ultradns.net
  • pdns2.ultradns.net
  • pdns3.ultradns.org
  • pdns4.ultradns.org
  • pdns5.ultradns.info
  • pdns6.ultradns.co.uk

SOA 1

  • pdns1.ultradns.net hostmaster.springer.com

TLS Certificates (3)

Common NameIssuerExpires
biomedcentral.com C=US, O=Let's Encrypt, CN=YR1 Wed, 23 Sep 2026 22:08:00 +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 biomedcentral.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_263bf09326480c98
Output Hash
230097327c89452fb82b0381ace41d5b0dab6298522bf3771d62fd903bc7e7c6
Signature
ed25519:7e10c788b58629aa49bd9d1f028d807d83fc77fbc0dd47c3cf993fadb65dda9093cc1c1b2267cdc370bd3c7fbe733e4e79aac54b65985c09f8b4456c1829c60f
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser