9
records
Canonical Names
TTL
CNAME
19m
webmail.rthsystems.com. 1199 IN CNAME rthsystems.com.
Name Servers
TTL
webmail.rthsystems.com. 1200 IN NS ns11.domaincontrol.com. webmail.rthsystems.com. 1200 IN NS ns12.domaincontrol.com.
Mail Servers
TTL
MX
—
0
20m
webmail.rthsystems.com. 1200 IN MX 0 mail.rthsystems.com.
SOA Details
TTL
20m
SOA
Responsible
dns.jomax.net
SOA
Serial
2026080400
SOA
Times
Refresh
8h
Retry
2h
Expire
7d
Minimum TTL
10m
webmail.rthsystems.com. 1200 IN SOA ns11.domaincontrol.com. dns.jomax.net. 2026080400 28800 7200 604800 600
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | a |
—
|
|
|
| + Pass | mx |
—
|
|
|
| + Pass | ptr |
—
|
|
|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
SPF warnings
- The ptr mechanism is slow and discouraged in SPF
20m
webmail.rthsystems.com. 1200 IN TXT "v=spf1 a mx ptr include:secureserver.net ~all"
Text Content
TTL
google-site-verification=Wju3-jK_lJPPgvFkMLWNMveAq7RwVrKc07N2OX-4PwU
20m
TXT
—
hosting-site=rthsystems
20m
webmail.rthsystems.com. 1200 IN TXT "google-site-verification=Wju3-jK_lJPPgvFkMLWNMveAq7RwVrKc07N2OX-4PwU" webmail.rthsystems.com. 1200 IN TXT "hosting-site=rthsystems"