9
records
IPv4 Addresses
TTL
demo.user.com. 900 IN A 109.95.156.7
Name Servers
TTL
NS
—
15m
NS
—
15m
demo.user.com. 900 IN NS ns1.dhosting.pl. demo.user.com. 900 IN NS ns2.dhosting.pl.
Mail Servers
TTL
MX
—
10
15m
MX
—
10
15m
demo.user.com. 900 IN MX 10 mx-1.dpoczta.pl. demo.user.com. 900 IN MX 10 mx-2.dpoczta.pl.
SOA Details
TTL
15m
SOA
Responsible
root.demo.user.com
SOA
Serial
2026042402
SOA
Times
Refresh
6h
Retry
2h
Expire
14d
Minimum TTL
1d
demo.user.com. 900 IN SOA ns1.dhosting.pl. root.demo.user.com. 2026042402 21600 7200 1209600 86400
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
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
demo.user.com. 1200 IN DMARC v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
15m
demo.user.com. 900 IN TXT "v=spf1 include:_mail.dhosting.pl -all"
DNSSEC Next Secure
TTL
NSEC
demo .user.com ["NSEC", "RRSIG", "NS"]
20m
demo.user.com. 1200 IN NSEC demo .user.com ["NSEC", "RRSIG", "NS"]