7
records
Name Servers
TTL
NS
—
3m
NS
—
20m
us.telefonica.com. 204 IN NS ns1.ustdata.net. us.telefonica.com. 1200 IN NS ns2.ustdata.net.
SOA Details
TTL
5m
SOA
Responsible
hostmaster.us.telefonica.com
SOA
Serial
2025012201
SOA
Times
Refresh
10m
Retry
10m
Expire
10m
Minimum TTL
5m
us.telefonica.com. 300 IN SOA ns1.ustdata.net. hostmaster.us.telefonica.com. 2025012201 600 600 600 300
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
10m
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).
us.telefonica.com. 600 IN DMARC v=DMARC1; p=quarantine; adkim=s; aspf=s; pct=100; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| - Fail | all |
—
|
|
9m
us.telefonica.com. 599 IN TXT "v=spf1 ip4:66.119.64.42 ip4:66.119.64.154 ip4:66.119.64.155 ip4:66.119.64.156 -all"