Canonical Names

TTL
CNAME
daveaucremann.com (target)
19m

IPv4 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
hostmaster.wordpress.com
SOA Serial
2005071858
SOA Times
Refresh 4h
Retry 2h
Expire 7d
Minimum TTL 5m

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass a
+ Pass mx
+ Pass ptr
+ Pass include
? Neutral all

SPF warnings

  • The ptr mechanism is slow and discouraged in SPF
20m