10
records
Name Servers
TTL
20m
20m
20m
schul-copilot.de. 1200 IN NS ns.udag.de. schul-copilot.de. 1200 IN NS ns.udag.net. schul-copilot.de. 1200 IN NS ns.udag.org.
Mail Servers
TTL
20m
20m
schul-copilot.de. 1200 IN MX 10 mx00.udag.de. schul-copilot.de. 1200 IN MX 20 mx01.udag.de.
SOA Details
TTL
20m
SOA
Responsible
hostmaster.united-domains.de
SOA
Serial
2026032054
SOA
Times
Refresh
3h
Retry
1h
Expire
7d
Minimum TTL
1h
schul-copilot.de. 1200 IN SOA ns.udag.de. hostmaster.united-domains.de. 2026032054 10800 3600 604800 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 | include |
|
||
| ~ Softfail | all |
—
|
|
10m
schul-copilot.de. 600 IN TXT "v=spf1 include:_smtp.udag.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
google-site-verification=iRUZsSl7DzLdcdyTikn0SaO9ukmfD79_h4lfFt9Fd9o
10m
TXT
—
hosting-site=unrupt-school-pilot
10m
schul-copilot.de. 600 IN TXT "google-site-verification=iRUZsSl7DzLdcdyTikn0SaO9ukmfD79_h4lfFt9Fd9o" schul-copilot.de. 600 IN TXT "hosting-site=unrupt-school-pilot"