verastem.com

Observed Aug 12, 2026, 03:34 UTC (3h 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 byMimecast
Secured byLet's Encrypt
Registered withGoDaddy.com, LLC
Also usesDocuSignGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat verastem.com actually stands on - every host below is a signed observation
verastem.com
A / AAAA
141.193.213.10141.193.213.11
Cloudflareserves the site
NS
ns1.g02.cfdns.netns2.g02.cfdns.bizns3.g02.cfdns.infons4.g02.cfdns.co.uk
cfdns.net + cfdns.biz + moreanswers its DNS
MX
us-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
verastem.com
Let's Encryptissued its certificate

DNS Records

A 2

  • 141.193.213.10
  • 141.193.213.11

MX 2

  • 10us-smtp-inbound-1.mimecast.com
  • 20us-smtp-inbound-2.mimecast.com

TXT 10

  • adobe-idp-site-verification=15b5ff0f2a03cf31468bf33df9584a537a77127e479628c0371d02178d60331f
  • anthropic-domain-verification-aj1jh7=8NlZE9Zph4SAprjZLAk2USVMG
  • apple-domain-verification=dF5i5lLCVjFZSuNA
  • bw=kKPN3ZDdgwP9rT0o8kDY4IgWul2JoNYeJtgP8Rr096uR
  • docusign=4041d661-8ae6-4258-a3e3-9720842720af
  • google-site-verification=11o6v-3e3nWRHMGB3sBIKiSyGCMCDD8x4HAwEy946ow
  • google-site-verification=c7-ioZzCL2ZYQM8mNojg4IUWESv12YYurkNLzh_QLMc
  • openai-domain-verification=dv-cHclrwxkHkeSTmUAWjMtCp85
  • smartsheet-site-validation=A0qNP2pdMeqHcKtkZCIrcxxoCrMR-RrM
  • v=spf1 include:_netblocks.mimecast.com include:mailgun.org include:spf.mandrillapp.com ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ~all

NS 4

  • ns1.g02.cfdns.net
  • ns2.g02.cfdns.biz
  • ns3.g02.cfdns.info
  • ns4.g02.cfdns.co.uk

SOA 1

  • ns1.g02.cfdns.net hostmaster.dataev.com

TLS Certificates (4)

Common NameIssuerExpires
verastem.com C=US, O=Let's Encrypt, CN=YE2 Mon, 19 Oct 2026 04:24:40 +0000
YE2 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_323b8b0226d4e9d4
Output Hash
eb8f8bbdbda632ed92781c449e518ccf25fe35752159e2108f2f49f8af274a4b
Signature
ed25519:da3f00ca50d17139e775313735892becabedb04a4dbff0aa75cce8c2db2e032d0fcf92eb1d522c611f9458a2e2806e9961d5b44416990f8814ee312cbe253f01
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT31,069 material changesacross 27,732 domains · 24h to ~45m ago · +19,271 vs yesterdayROTATION61 domains moved DNS from magpiedns.com to koaladns.com, 59 moved backa rotation loop, not a migration · 24hNOW520 curated domains not reachablelast probe, steadySITE ERRORS36,547 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,586 sites429 rate-limit / 403 bot-block, a posture signal