CONTINUOUS INTERNET TELEMETRY24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,500 curated domains not answering+166 vs yesterdayERRORS29,650 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,751 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,500 curated domains not answering+166 vs yesterdayERRORS29,650 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,751 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)

chemspider.com

Observed Jul 19, 2026, 11:46 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMimecast
Also usesGoogle Search Console
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat chemspider.com actually stands on - every host below is a signed observation
chemspider.com
A / AAAA
13.248.160.13776.223.34.124
Cloudflareserves the site
NS
a7-67.akam.neta3-65.akam.neta1-90.akam.neta22-67.akam.net+2 more
akam.netanswers its DNS
MX
eu-smtp-inbound-1.mimecast.comeu-smtp-inbound-2.mimecast.com
Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.chemspider.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time157 ms
DNS resolutionNOERROR
Redirect chain
https://www.chemspider.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

  • 13.248.160.137
  • 76.223.34.124

MX 2

  • 10eu-smtp-inbound-1.mimecast.com
  • 10eu-smtp-inbound-2.mimecast.com

TXT 5

  • google-site-verification=Dx2K2U99zQOhg72BNVPX0JCvry2uJPB7LOYdXktnbwI
  • 5z5pz87d4c9pklbxl805g2xh2pj5kyrv
  • g0s4px6dx1bf76jgt7cq6wq33b2zcd10
  • v=spf1 include:eu._netblocks.mimecast.com ~all
  • v=DMARC1; p=reject; rua=mailto:0e4420c99bf9995@rep.dmarcanalyzer.com; ruf=mailto:0e4420c99bf9995@for.dmarcanalyzer.com; fo=1;

NS 6

  • a7-67.akam.net
  • a3-65.akam.net
  • a1-90.akam.net
  • a22-67.akam.net
  • a28-64.akam.net
  • a6-66.akam.net

SOA 1

  • a28-64.akam.net dnsadmin.rsc.org

TLS Certificates (0)

None.

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID
53a99909-1901-433a-b782-ef2dbbbe1dd8
Output Hash
819a1ed7f4d76c86a719fa9aec6a5dbc4af2a7818a970cdbedddc771d258e668
Signature
ed25519:addc90a557ae657893732a9caead47aabc11d1a0d23c3e8d29287ca3363e9441902b2883ab6edbda19b9c221b6780663617060baa1e4a289b1c2159a6d96d30b
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser