3
records
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
No DMARC TXT record was returned (expected at `_dmarc.<domain>` with `v=DMARC1`). Without DMARC you cannot publish receiver policy or standard aggregate failure reports (RUA).
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
20m
4159.cn.com. 1200 IN TXT "v=spf1 -all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
DNSSEC Signatures
TTL
RRSIG
MX 13 2 3600 1794989351 1792391951 13079 cn.com +1DBuaTBH19XV+HGO7F30pum3RdRwqUzx07c8+7UIGXuy5yLPCYQLABBsOsS9yjvQf6N0wOg5k5lWS5z9kYaqw==
20m
4159.cn.com. 1200 IN RRSIG MX 13 2 3600 1794989351 1792391951 13079 cn.com +1DBuaTBH19XV+HGO7F30pum3RdRwqUzx07c8+7UIGXuy5yLPCYQLABBsOsS9yjvQf6N0wOg5k5lWS5z9kYaqw==