9
records
IPv4 Addresses
TTL
wid.cert-bund.de. 300 IN A 35.234.91.239
Mail Servers
TTL
MX
—
10
20m
MX
—
20
20m
MX
—
30
20m
wid.cert-bund.de. 1200 IN MX 10 mx1.mas.t-systems-service.com. wid.cert-bund.de. 1200 IN MX 20 mx2.mas.t-systems-service.com. wid.cert-bund.de. 1200 IN MX 30 mx3.mas.t-systems-service.com.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
wid.cert-bund.de. 300 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | a |
|
||
| - Fail | all |
—
|
|
20m
wid.cert-bund.de. 1200 IN TXT "v=spf1 a:spf.mas.t-systems-service.com -all"
DNSSEC Signatures
TTL
RRSIG
A 13 3 300 1786268282 1785404282 42371 cert-bund.de XAGsUdUIUKySfYLGSrES7mlNWXqWRgJvmzBDGhGUwDjP20ue397jPphAxDu+ynoAmKFHOlUUpu+Cajgq7aNOhQ==
5m
RRSIG
TXT 13 3 3600 1786268282 1785404282 42371 cert-bund.de bmSB3PEQDfdTEJKxTg35Zzn0GAab2+vSxN5pvd1MNCLyJIGMXl/FgfN0zFrHIVtDi2Uw/FMV8LJiPmXyYzA7tw==
20m
RRSIG
MX 13 3 3600 1786268282 1785404282 42371 cert-bund.de UyyM7sW6PUZ0ewjkoX8RbGIeZe6ez4FLpzAkerSKfM3IKWQqYE6M270Oq72nL/roh3nhNA7GdMfJJ2iwM2WHvQ==
20m
wid.cert-bund.de. 300 IN RRSIG A 13 3 300 1786268282 1785404282 42371 cert-bund.de XAGsUdUIUKySfYLGSrES7mlNWXqWRgJvmzBDGhGUwDjP20ue397jPphAxDu+ynoAmKFHOlUUpu+Cajgq7aNOhQ== wid.cert-bund.de. 1200 IN RRSIG TXT 13 3 3600 1786268282 1785404282 42371 cert-bund.de bmSB3PEQDfdTEJKxTg35Zzn0GAab2+vSxN5pvd1MNCLyJIGMXl/FgfN0zFrHIVtDi2Uw/FMV8LJiPmXyYzA7tw== wid.cert-bund.de. 1200 IN RRSIG MX 13 3 3600 1786268282 1785404282 42371 cert-bund.de UyyM7sW6PUZ0ewjkoX8RbGIeZe6ez4FLpzAkerSKfM3IKWQqYE6M270Oq72nL/roh3nhNA7GdMfJJ2iwM2WHvQ==