mathoverflow.net

Observed 2026-06-15T00:46:48.707Z (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
4abfe443-e3a3-4ca3-bc07-998753629134
Output Hash
652522f3944f71862729beeea0a7e1126b9d1982c79d65611723587313549c32
Signature
ed25519:3d7a8a81f065bb8cd2036df33920590bc24bc367a1e26a6afef3f715d8027a315986896f9b61746c624ae0ce9d465cf48739b1714e58b7c0530a879079911e00
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
Verify this in your browser

DNS Records

A 1

  • 198.252.206.1

MX 5

  • {"priority":5,"exchange":"alt2.aspmx.l.google.com"}
  • {"priority":10,"exchange":"alt3.aspmx.l.google.com"}
  • {"priority":5,"exchange":"alt1.aspmx.l.google.com"}
  • {"priority":1,"exchange":"aspmx.l.google.com"}
  • {"priority":10,"exchange":"alt4.aspmx.l.google.com"}

TXT 2

  • google-site-verification=Oor77iaEIbiS-miSy9oXc8kM4J9IXwfgDpF7YPkEy5U
  • v=spf1 include:_spf.google.com -all

NS 2

  • sureena.ns.cloudflare.com
  • damian.ns.cloudflare.com

SOA 1

  • {"mname":"damian.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2406955810}

CAA 13

  • {"flags":0,"tag":"issue","value":"ssl.com"}
  • {"flags":0,"tag":"issuewild","value":"comodoca.com"}
  • {"flags":0,"tag":"issuewild","value":"digicert.com; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"issuewild","value":"pki.goog; cansignhttpexchanges=yes"}
  • {"flags":128,"tag":"iodef","value":"mailto:sysadmin-team@stackoverflow.com"}
  • {"flags":0,"tag":"issue","value":"pki.goog; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"issue","value":"digicert.com; cansignhttpexchanges=yes"}
  • {"flags":0,"tag":"issuewild","value":"letsencrypt.org"}
  • {"flags":0,"tag":"issuewild","value":"sectigo.com"}
  • {"flags":0,"tag":"issuewild","value":"ssl.com"}

TLS Certificates (0)

None.

Subdomains (2)