Name Servers
workshop-spf.net. 1200 IN NS cesar.ns.cloudflare.com. workshop-spf.net. 1200 IN NS lila.ns.cloudflare.com.
SOA Details
workshop-spf.net. 1200 IN SOA cesar.ns.cloudflare.com. dns.cloudflare.com. 2402731992 10000 2400 604800 1800
Certificate Authority Authorization
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
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
workshop-spf.net. 300 IN DMARC v=DMARC1; p=reject; aspf=s; adkim=s
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| - Fail | all |
—
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workshop-spf.net. 300 IN TXT "v=spf1 ip4:149.72.61.106 ip4:149.72.151.35 ip4:149.72.201.153 ip4:149.72.22.42 ip4:149.72.183.8 ip4:159.183.141.212 ip4:159.183.141.213 ip4:159.183.141.214 -all"
MTA-STS
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).