IPv4 Addresses

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Name Servers

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Mail Servers

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SOA Details

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SOA Primary NS
20m
SOA Responsible
sysops.automattic.com
SOA Serial
2026042201
SOA Times
Refresh 1h
Retry 30m
Expire 14d
Minimum TTL 1d

Certificate Authority Authorization

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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

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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

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DKIM Selector default
v=DKIM1 k=rsa
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1QLz5CU/6Mgv...

SPF (Sender Policy Framework)

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SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass a
+ Pass mx
+ Pass ip4
+ Pass ip4
~ Softfail all
20m

MTA-STS

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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).