7
records
Name Servers
TTL
NS
—
20m
NS
—
20m
seka-ost.org. 1200 IN NS ns01.1blu.de. seka-ost.org. 1200 IN NS ns02.1blu.de.
SOA Details
TTL
20m
SOA
Responsible
hostmaster.1blu.de
SOA
Serial
2026050601
SOA
Times
Refresh
12h
Retry
1h
Expire
7d
Minimum TTL
4h
seka-ost.org. 1200 IN SOA ns01.1blu.de. hostmaster.1blu.de. 2026050601 43200 5400 604800 14400
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 | mx |
—
|
|
|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
20m
seka-ost.org. 1200 IN TXT "v=spf1 mx include:_spf.1blu.de -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
—
hosting-site=seka-ost-app
20m
seka-ost.org. 1200 IN TXT "hosting-site=seka-ost-app"