12
records
IPv4 Addresses
TTL
5m
5m
5m
5m
app.user.com. 300 IN A 141.101.90.104 app.user.com. 300 IN A 141.101.90.105 app.user.com. 300 IN A 141.101.90.106 app.user.com. 300 IN A 141.101.90.107
IPv6 Addresses
TTL
5m
5m
5m
5m
app.user.com. 300 IN AAAA 2A06:98C1:3200:0:0:0:90:80 app.user.com. 300 IN AAAA 2A06:98C1:3200:0:0:0:90:81 app.user.com. 300 IN AAAA 2A06:98C1:3200:0:0:0:90:82 app.user.com. 300 IN AAAA 2A06:98C1:3200:0:0:0:90:83
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
30s
DMARC
Subdomain Policy
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
none
quarantine
reject
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).
app.user.com. 30 IN DMARC v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected];
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | mx |
—
|
|
|
| + Pass | a |
—
|
|
|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| - Fail | all |
—
|
|
30s
app.user.com. 30 IN TXT "v=spf1 mx a include:amazonses.com include:_spf.mail03-userengage.com include:_spf.positivegroup.email -all"
DNSSEC Next Secure
TTL
NSEC
.app.user.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "A", "CAA", "TYPE256"]
20m
app.user.com. 1200 IN NSEC .app.user.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "A", "CAA", "TYPE256"]