2
records
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
5m
spf-default.udemy.com. 300 IN TXT "v=spf1 -all"
DNSSEC Next Secure
TTL
NSEC
.spf-default.udemy.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]
1m
spf-default.udemy.com. 60 IN NSEC .spf-default.udemy.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]