11
records
IPv4 Addresses
TTL
stg.unit21.com. 60 IN A 3.171.85.24 stg.unit21.com. 60 IN A 3.171.85.50 stg.unit21.com. 60 IN A 3.171.85.54 stg.unit21.com. 60 IN A 3.171.85.79
Name Servers
TTL
20m
20m
20m
stg.unit21.com. 1200 IN NS ns-1508.awsdns-60.org. stg.unit21.com. 1200 IN NS ns-1652.awsdns-14.co.uk. stg.unit21.com. 1200 IN NS ns-451.awsdns-56.com. stg.unit21.com. 1200 IN NS ns-756.awsdns-30.net.
Mail Servers
TTL
stg.unit21.com. 600 IN MX 10 inbound-smtp.us-west-2.amazonaws.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
stg.unit21.com. 900 IN SOA ns-451.awsdns-56.com. awsdns-hostmaster.amazon.com. 1 7200 900 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
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.
No aggregate report URIs (RUA).
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
stg.unit21.com. 300 IN DMARC v=DMARC1; p=none;