5
records
IPv4 Addresses
TTL
s3.csa2.acemsa4.com. 1200 IN A 192.92.97.96
Mail Servers
TTL
MX
—
10
20m
MX
—
20
20m
s3.csa2.acemsa4.com. 1200 IN MX 10 mx1.acems1.com. s3.csa2.acemsa4.com. 1200 IN MX 20 mx2.acems1.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
20m
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
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
s3.csa2.acemsa4.com. 1200 IN DMARC v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| ~ Softfail | all |
—
|
|
20m
s3.csa2.acemsa4.com. 1200 IN TXT "v=spf1 ip4:173.236.20.0/24 ip4:192.92.97.0/24 ip4:52.128.40.0/21 ip4:217.8.118.0/24 ip4:103.229.233.0/24 ~all"