6
records
Canonical Names
TTL
20m
20m
www.rackspace.com. 1200 IN CNAME www.rackspace.com.edgekey.net. www.rackspace.com. 1200 IN CNAME e13746.dscb.akamaiedge.net.
IPv4 Addresses
TTL
www.rackspace.com. 20 IN A 23.194.240.253
IPv6 Addresses
TTL
www.rackspace.com. 20 IN AAAA 2600:1403:D400:E83:0:0:0:35B2 www.rackspace.com. 20 IN AAAA 2600:1403:D400:EA0:0:0:0:35B2
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]
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.
www.rackspace.com. 300 IN DMARC v=DMARC1; p=quarantine; fo=1; ri=3600; sp=quarantine; adkim=r; aspf=r; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]