11
records
Name Servers
TTL
t-email.cz. 1200 IN NS eisa.telekom.sk. t-email.cz. 1200 IN NS freya.t-mobile.cz. t-email.cz. 1200 IN NS idunn.t-mobile.cz.
SOA Details
TTL
20m
SOA
Responsible
dss-system.t-mobile.cz
SOA
Serial
1784546057
SOA
Times
Refresh
12h
Retry
30m
Expire
14d
Minimum TTL
1h
t-email.cz. 1200 IN SOA idunn.t-mobile.cz. dss-system.t-mobile.cz. 1784546057 43200 1850 1209600 3600
Certificate Authority Authorization
TTL
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
TTL
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
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | a |
|
||
| + Pass | a |
|
||
| - Fail | all |
—
|
|
20m
t-email.cz. 1200 IN TXT "v=spf1 a:smtp01.tmcz.cz a:smtp02.tmcz.cz -all"
MTA-STS
TTL
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
TTL
TXT
—
_telesec-domain-validation=GFVUP4J8A2FDUQBL9YTZ5GZ7HA4XMZ9IY8JCIP8XYTNX3UU2238OTXY2WCFX8VUB
20m
t-email.cz. 1200 IN TXT "_telesec-domain-validation=GFVUP4J8A2FDUQBL9YTZ5GZ7HA4XMZ9IY8JCIP8XYTNX3UU2238OTXY2WCFX8VUB"
DNSSEC Public Keys
TTL
DNSKEY
257 3 13 cJLcYajboMuYyl9QYW6oI3UCjIFJZDainuHwA7HjLB/2qFG8xa+wD8tSRMYTndqETtX3wHcR441WEciTknmOuw==
20m
DNSKEY
256 3 13 e9Ufa6Hrl7kDNkefU8a/PbDGsHIoDwIaviJIOeodaeEb6tx0gUQNcwkpfw1lmRBRCDFOfgJzKuqmFZL1xS895g==
20m
t-email.cz. 1200 IN DNSKEY 257 3 13 cJLcYajboMuYyl9QYW6oI3UCjIFJZDainuHwA7HjLB/2qFG8xa+wD8tSRMYTndqETtX3wHcR441WEciTknmOuw== t-email.cz. 1200 IN DNSKEY 256 3 13 e9Ufa6Hrl7kDNkefU8a/PbDGsHIoDwIaviJIOeodaeEb6tx0gUQNcwkpfw1lmRBRCDFOfgJzKuqmFZL1xS895g==
Delegation Signer
TTL
DS
10297 13 2 E793379635AEA5F091C17C18AABF185C2035F69BEB9B2848D2274D8A06213757
20m
t-email.cz. 1200 IN DS 10297 13 2 E793379635AEA5F091C17C18AABF185C2035F69BEB9B2848D2274D8A06213757
DNSSEC Signatures
TTL
RRSIG
NS 13 2 3600 1784938457 1783723457 25071 t-email.cz BwURyJ0lvq6ncdJwJySPbWhlw6WBr7Ut7mz6hY0zaGF6sERWyJmq6L0mdDeifOoZ8DqyP0QyiwuqR8NJzvhqXw==
20m
t-email.cz. 1200 IN RRSIG NS 13 2 3600 1784938457 1783723457 25071 t-email.cz BwURyJ0lvq6ncdJwJySPbWhlw6WBr7Ut7mz6hY0zaGF6sERWyJmq6L0mdDeifOoZ8DqyP0QyiwuqR8NJzvhqXw==