marktwain.net

Valid Email Server
Domain Lookup › marktwain.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
marktwain.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 20:55:33 UTC · ↺ Refresh

MX Hostnames

  • mx.marktwain.net

MX Priorities

  • mx.marktwain.net: 10

A / AAAA Records

  • 64.35.208.115 ↩ mtwain.ispn.net

Mail Server IPs

  • 64.35.208.114 ↩ mtwain.ispn.net

SOA Record

Raw SOA ns1.ispn.net servers.ispn.net 2026021700 3600 600 1209600 600
Primary NS (mname)
ns1.ispn.net
Admin Email (rname)
servers@ispn.net
Serial
2026021700
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.ispn.net
ns1.ispn.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:65.255.134.6/32 ip4:64.35.208.0/20 ip6:2607:5800::/32 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

3 records
  • SPFv=spf1 ip4:65.255.134.6/32 ip4:64.35.208.0/20 ip6:2607:5800::/32 -all
  • yahoo-verification-key=kp9dygUqh61BjZWjofxrWfZhvc9P13wxYX56AYBUo0Y=
  • google-site-verification=6fVkfCsbzO8HrUUg7Q2EajftJ-m_osqW3Pm8FgR5tEA
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