6
records
Name Servers
TTL
NS
—
17m
NS
—
17m
testback.com. 1027 IN NS ns1.dnshost.net. testback.com. 1027 IN NS ns2.dnshost.net.
Mail Servers
TTL
MX
—
10
20m
testback.com. 1200 IN MX 10 qbtestmail1.testback.com.
SOA Details
TTL
20m
SOA
Serial
1749028927
SOA
Times
Refresh
12h
Retry
1h
Expire
7d
Minimum TTL
1h
testback.com. 1200 IN SOA ns1.dnshost.net. [email protected]. 1749028927 43200 3600 604800 3600
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
No DMARC TXT record was returned (expected at `_dmarc.<domain>` with `v=DMARC1`). Without DMARC you cannot publish receiver policy or standard aggregate failure reports (RUA).
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv2
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|
20m
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | mx |
—
|
|
|
| ~ Softfail | all |
—
|
|
20m
testback.com. 1200 IN TXT "spf2.0/pra" testback.com. 1200 IN TXT "v=spf1 mx ~all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).