5
records
Mail Servers
TTL
mail.apple.com. 1200 IN MX 10 mx-in.g.apple.com. mail.apple.com. 1200 IN MX 20 mx-in-vib.apple.com. mail.apple.com. 1200 IN MX 20 mx-in-hfd.apple.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
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
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
mail.apple.com. 1200 IN DMARC v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qual | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + | include | _spf.apple.com | ||
| + | include | _spf-txn.apple.com | ||
| ~ | all | — |
20m
mail.apple.com. 1200 IN TXT "v=spf1 include:_spf.apple.com include:_spf-txn.apple.com ~all"