Email Authentication

testbook.com

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:_spf.mlsend.com include:amazonses.com include:_spf.google.com include:smtp1.uservoice.com -all

DKIM

pass
Cryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC31IAV7RJMiM+8N4bj68W6sxHcmYOCthAjfstzDPoxs9dvw1Riv4yKOz/K7hwISoguXBVfe/1H+XWH2CIlSfMbBEnCriewfLVMmk/rvYxE0XGPJkOjrlc0r+f30B9m8zKN4ecLk5+tvR8A1g3blybVXKdEwvJFiBpBDoOJ39cRQQIDAQAB

DMARC

warning
Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1;p=quarantine;pct=25;rua=mailto:it@testbook.com

Mail Servers (MX)

10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
30 alt3.aspmx.l.google.com
30 alt4.aspmx.l.google.com