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Super Check · Beta

DKIM keys · github.com

Enter a command and a target, e.g. spf:example.com or blacklist:1.2.3.4. Without a command, a domain gets an MX check and an IP a blacklist check.

Beta This tool is new. Checks and wording are still being refined, so please double-check important results. Feedback welcome.

Result

2 × Warning12 × Pass6 × Infotook 0.1 s

  • PassDKIM key found for selector selector1
  • InfoSelector selector1 is a CNAME to selector1-github-com._domainkey.microsoft.onmicrosoft.com
  • WarningSelector selector1: 1024-bit RSA key (2048 bits recommended)
  • PassDKIM key found for selector google
  • PassSelector google: 2048-bit RSA key
  • PassDKIM key found for selector k1
  • InfoSelector k1 is a CNAME to dkim.mcsv.net
  • WarningSelector k1: 1024-bit RSA key (2048 bits recommended)
  • PassDKIM key found for selector k2
  • InfoSelector k2 is a CNAME to dkim2.mcsv.net
  • PassSelector k2: 2048-bit RSA key
  • PassDKIM key found for selector k3
  • InfoSelector k3 is a CNAME to dkim3.mcsv.net
  • PassSelector k3: 2048-bit RSA key
  • PassDKIM key found for selector s1
  • InfoSelector s1 is a CNAME to s1.domainkey.u51742174.wl175.sendgrid.net
  • PassSelector s1: 2048-bit RSA key
  • PassDKIM key found for selector s2
  • InfoSelector s2 is a CNAME to s2.domainkey.u51742174.wl175.sendgrid.net
  • PassSelector s2: 2048-bit RSA key

Check next: spf:github.com · dmarc:github.com

Records

SelectorKey typeBitsCNAME
selector1RSA1024selector1-github-com._domainkey.microsoft.onmicrosoft.com
googleRSA2048–
k1RSA1024dkim.mcsv.net
k2RSA2048dkim2.mcsv.net
k3RSA2048dkim3.mcsv.net
s1RSA2048s1.domainkey.u51742174.wl175.sendgrid.net
s2RSA2048s2.domainkey.u51742174.wl175.sendgrid.net

Same in the terminal

$ curl tools.otw.solutions/check/dkim:github.com