8
records
IPv4 Addresses
TTL
mail.cybexo.com. 300 IN A 172.66.40.253 mail.cybexo.com. 300 IN A 172.66.43.3
IPv6 Addresses
TTL
mail.cybexo.com. 300 IN AAAA 2606:4700:3108:0:0:0:AC42:28FD mail.cybexo.com. 300 IN AAAA 2606:4700:3108:0:0:0:AC42:2B03
Mail Servers
TTL
5m
5m
mail.cybexo.com. 300 IN MX 10 mxb.eu.mailgun.org. mail.cybexo.com. 300 IN MX 10 mxa.eu.mailgun.org.
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).
mail.cybexo.com. 300 IN DMARC v=DMARC1; p=none; fo=1; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
|
||
| + Pass | a |
—
|
|
|
| + Pass | mx |
—
|
|
|
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
mail.cybexo.com. 300 IN TXT "v=spf1 ip4:185.132.179.158 +a +mx +ip4:185.184.192.114 +ip4:185.132.179.183 +include:mailgun.org ~all"