7
records
IPv4 Addresses
TTL
arc.cdata.com. 300 IN A 104.20.40.252 arc.cdata.com. 300 IN A 172.66.160.97
IPv6 Addresses
TTL
arc.cdata.com. 300 IN AAAA 2606:4700:10:0:0:0:6814:28FC arc.cdata.com. 300 IN AAAA 2606:4700:10:0:0:0:AC42:A061
Mail Servers
TTL
arc.cdata.com. 1200 IN MX 0 arc-cdata-com.mail.protection.outlook.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
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]
Forensic (per-failure) reports. Often omitted for privacy or volume.
arc.cdata.com. 300 IN DMARC v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=0:1;
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
20m
arc.cdata.com. 1200 IN TXT "v=spf1 include:spf.protection.outlook.com -all"