Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mastersts.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:46:52 UTC · ↺ Refresh
MX Hostnames
- mx3-hosting.jellyfish.systems
- mx2-hosting.jellyfish.systems
- mx1-hosting.jellyfish.systems
MX Priorities
- mx3-hosting.jellyfish.systems: 20
- mx1-hosting.jellyfish.systems: 5
- mx2-hosting.jellyfish.systems: 10
A / AAAA Records
- 172.67.179.31 (no PTR)
- 104.21.18.7 (no PTR)
- 2606:4700:3032::ac43:b31f (no PTR)
- 2606:4700:3034::6815:1207 (no PTR)
Mail Server IPs
- 162.255.118.13 ↩ mx3-hosting.jellyfish.systems
- 162.255.118.28 ↩ oxse3a.privateemail.com
- 162.255.118.29 ↩ oxse2b.privateemail.com
SOA Record
Raw SOA
ed.ns.cloudflare.com dns.cloudflare.com 2399379654 10000 2400 604800 1800
Primary NS (mname)
ed.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399379654
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
treasure.ns.cloudflare.com
ed.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:198.54.119.201 +include:spf.web-hosting.com +include:spf.hosting.registrar-servers.com
📊 DNS lookups: 4/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +ip4:198.54.119.201 +include:spf.web-hosting.com +include:spf.hosting.registrar-servers.com
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