IPv4 Addresses
obsidian.cz. 1200 IN A 82.208.28.244
IPv6 Addresses
obsidian.cz. 1200 IN AAAA 2001:1528:250:0:0:0:52D0:1CF4
Name Servers
obsidian.cz. 1200 IN NS etna.w2hosting.cz. obsidian.cz. 1200 IN NS fuji.w2hosting.cz. obsidian.cz. 1200 IN NS mayon.w2hosting.cz. obsidian.cz. 1200 IN NS vesuvio.w2hosting.cz.
Mail Servers
obsidian.cz. 1200 IN MX 10 pmg.w2hosting.cz. obsidian.cz. 1200 IN MX 20 relay.w2hosting.cz.
SOA Details
obsidian.cz. 1200 IN SOA etna.w2hosting.cz. hostmaster.w2hosting.cz. 2026021902 21600 3600 691200 86400
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.
obsidian.cz. 1200 IN DMARC v=DMARC1; p=reject;
DKIM
obsidian.cz. 1200 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTvGUwtT303BLtoNSlIbndnVplTyB+H3d3Lge1trrtn35zmWGMgO9h7PJ+WRbzcSvOa0F5qG/DaCNpP86ZR4Z9DgUxznGSavSUGqy5kI/INFFKdXFugyGX8uiy1EtFTxnpCBjCm5ogiDUUzpodP3JoBEG97CMTkbQOD6EN9kaRPQIDAQAB
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
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|
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obsidian.cz. 1200 IN TXT "v=spf1 include:_spf.w2hosting.cz -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).
Text Content
obsidian.cz. 1200 IN TXT "google-site-verification=WWEwa7l-QcZVdyPVxVdaRqNqBDheb84DZDKlsBXXBaA"