9
records
IPv4 Addresses
TTL
app.mailercloud.com. 300 IN A 104.26.0.126 app.mailercloud.com. 300 IN A 104.26.1.126 app.mailercloud.com. 300 IN A 172.67.74.114
IPv6 Addresses
TTL
app.mailercloud.com. 300 IN AAAA 2606:4700:20:0:0:0:681A:17E app.mailercloud.com. 300 IN AAAA 2606:4700:20:0:0:0:681A:7E app.mailercloud.com. 300 IN AAAA 2606:4700:20:0:0:0:AC43:4A72
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
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]
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.
app.mailercloud.com. 300 IN DMARC v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=s; aspf=s; fo=1
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
5m
app.mailercloud.com. 300 IN TXT "v=spf1 include:mlrcloud.com -all"
DNSSEC Next Secure
TTL
NSEC
.app.mailercloud.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]
20m
app.mailercloud.com. 1200 IN NSEC .app.mailercloud.com ["TYPE65", "TYPE64", "TYPE61", "TYPE55", "TYPE53", "TYPE52", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "A", "CAA", "TYPE256"]