Canonical Names

TTL

Name Servers

TTL

Mail Servers

TTL

SOA Details

TTL
15m
SOA Responsible
awsdns-hostmaster.amazon.com
SOA Serial
1
SOA Times
Refresh 2h
Retry 15m
Expire 14d
Minimum TTL 1d

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

Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.

CNAME → sparkpostmail.com
DMARC RUF

Forensic (per-failure) reports. Often omitted for privacy or volume.

CNAME → sparkpostmail.com

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
+ Pass exists
%{i}._spf.sparkpostmail.com
~ Softfail all
20m

Text Content

TTL
google-site-verification=yCMV3z3BhBaINi0V033HnfTi9xkQjpIZ4DM4ywSlwUs
20m
yahoo-verification-key=3FbuT+COxdPHeqY8GDS1MS5lZ+Y4R0w0MCU5RmkGdic=
20m
TXT
202309142210142gjgf5fwokyagxwm41zux4qqpsky7k3ybnkqsbic1mlkhki0he
20m