DNS Gurus
8 records

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
vipns1.yundun.com
20m
SOA Responsible
dns-admin.yundun.com
SOA Serial
777354081
SOA Times
Refresh 1h
Retry 3m
Expire 14d
Minimum TTL 3m

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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No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.

SPF (Sender Policy Framework)

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SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass include
spf.protection.partner.outlook.cn
- Fail all
—
9m

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).

Text Content

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TXT —
_8exmnowwaudbaw1cu5xw5tmax57m49j
59s