Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vps30.com
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:16:14 UTC · ↺ Refresh
MX Hostnames
- em4.catchservers.com
- mx4.catchservers.net
MX Priorities
- mx4.catchservers.net: 10
- em4.catchservers.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 165.22.201.68 ↩ mx4.catchservers.net
- 137.184.154.224 ↩ em4.catchservers.com
SOA Record
Raw SOA
ns1.dnsowl.com hostmaster.dnsowl.com 1773416292 7200 1800 1209600 600
Primary NS (mname)
ns1.dnsowl.com
Admin Email (rname)
hostmaster@dnsowl.com
Serial
1773416292
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns2.dnsowl.com
ns3.dnsowl.com
ns1.dnsowl.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; rf=afrf
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx -all
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