IPv4 Addresses

TTL

Name Servers

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Mail Servers

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20m
20m
20m
20m

SOA Details

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SOA Primary NS
5m
SOA Responsible
hostmaster.osuosl.org
SOA Serial
2025092400
SOA Times
Refresh 1h
Retry 10m
Expire 14d
Minimum TTL 1h

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
+ Pass a
+ Pass mx
- Fail 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).

Text Content

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_globalsign-domain-verification=MK_ZKmss4D_DdzGOsssHxxBOK6hJc6LGycFvNOESdZ
20m
_globalsign-domain-verification=mVYWxIl-2ab_B1yPPFxEmDCLrBcl6ucouXJOU_P0_C
20m
_globalsign-domain-verification=xfkrv3yRwA5GGm0E4l5RlcNKTqVD8KAYsYdCYTBMF0
20m
globalsign-domain-verification=GAw3QxpoQCUd6MEBcIrvwmn1548c2kZ_M8jDU57Ho3
20m