Facebook
Domain verification
facebook-domain-verification=nnxnacluot3vwtgl9mds7xpgkqshi1
v=DMARC1; p=reject; sp=none
Question and response
Question
dig linuxpl.com. TXT
Answer
linuxpl.com. 300 TXT "v=spf1 a mx include:spf.linuxpl.com include:_spf.redlink.pl include:servers.mcsv.net ip4:78.46.73.197 ip4:178.63.102.72 ip4:178.63.102.95 -all"
linuxpl.com. 300 TXT "v=DMARC1; p=reject; sp=none"
linuxpl.com. 300 TXT "facebook-domain-verification=nnxnacluot3vwtgl9mds7xpgkqshi1"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0