IPv4 Addresses
musthird.com. 1200 IN A 99.83.176.46
Name Servers
musthird.com. 1200 IN NS ns1.markmonitor.com. musthird.com. 1200 IN NS ns2.markmonitor.com. musthird.com. 1200 IN NS ns3.markmonitor.com. musthird.com. 1200 IN NS ns4.markmonitor.com. musthird.com. 1200 IN NS ns5.markmonitor.com. musthird.com. 1200 IN NS ns6.markmonitor.com. musthird.com. 1200 IN NS ns7.markmonitor.com.
SOA Details
musthird.com. 1200 IN SOA ns1.markmonitor.com. hostmaster.markmonitor.com. 2025063003 86400 3600 2592000 172800
Certificate Authority Authorization
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
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
musthird.com. 1200 IN DMARC v=DMARC1;p=reject;ruf=mailto:[email protected];rua=mailto:[email protected];fo=1;ri=3600
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
musthird.com. 1200 IN TXT "v=spf1 -all"
MTA-STS
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).