github.com

Record:

v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.227.114 ip4:166.78.69.169 ip4:166.78.69.170 ip4:166.78.71.131 ~all

DNS lookups:

10 / 10

Checked: 8/2/2026, 1:00:05 PM

Key strength:

2048-bit

Checked: 8/2/2026, 1:00:05 PM

Policy:

quarantine

Subdomain policy:

reject

Enforcement:

100%

Aggregate reports (rua):

mailto:dmarc@github.com

Forensic reports (ruf):

mailto:dmarc@github.com

Checked: 8/2/2026, 1:00:05 PM

Blacklist status:

Not listed on any checked blacklist

Checked: 8/2/2026, 1:00:05 PM

Checked: —

Checked: —