6
records
Mail Servers
TTL
5m
5m
mail.masterplan.com. 300 IN MX 10 mxa.eu.mailgun.org. mail.masterplan.com. 300 IN MX 10 mxb.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]
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
mailto:[email protected]
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
mail.masterplan.com. 300 IN DMARC v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;fo=1;
DKIM
TTL
DKIM
Selector
s1
v=DKIM1
k=rsa
5m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEINk9BDpNiz...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEINk9BDpNizlBqmn8NAs0jCxFc5OjGLY6+2s7ftHiyziQJd3mCTXw9NjS8K4EfX00o5s2liJXZLbEXcrlbXnizki3ye3ajOULqwv17LwmE7SmTcwBoshmwSPQmp1pqgzZZFDApc1tPjtUwHPluJG6N6qRHSzcb95MLwime8K4pUS/AXFlHRQPJsZ7Z1XQHrFa1ZkxF0PiRk8/xuO8Pr8hjXxLlOj70uSGi4UkRXeuhACkMDgUtti5E15QarIS1odfGZHQr47PTJPz7nWQCV/Mjjn/RtbiCmj4i+mb59Bk3NNoftMA0d7NytilN/fNG3lmEwVLVXla1hnx7p6EyXHQIDAQAB
mail.masterplan.com. 300 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEINk9BDpNizlBqmn8NAs0jCxFc5OjGLY6+2s7ftHiyziQJd3mCTXw9NjS8K4EfX00o5s2liJXZLbEXcrlbXnizki3ye3ajOULqwv17LwmE7SmTcwBoshmwSPQmp1pqgzZZFDApc1tPjtUwHPluJG6N6qRHSzcb95MLwime8K4pUS/AXFlHRQPJsZ7Z1XQHrFa1ZkxF0PiRk8/xuO8Pr8hjXxLlOj70uSGi4UkRXeuhACkMDgUtti5E15QarIS1odfGZHQr47PTJPz7nWQCV/Mjjn/RtbiCmj4i+mb59Bk3NNoftMA0d7NytilN/fNG3lmEwVLVXla1hnx7p6EyXHQIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
5m
mail.masterplan.com. 300 IN TXT "v=spf1 include:mailgun.org -all"
DNSSEC Next Secure
TTL
NSEC
.mail.masterplan.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]
20m
mail.masterplan.com. 1200 IN NSEC .mail.masterplan.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]