sbtek.net

Valid Email Server
Domain Lookup › sbtek.net

Domain Overview

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

Checked via [email protected] · 2026-03-19 14:08:07 UTC · ↺ Refresh

MX Hostnames

  • reaper.sbt.net
  • thresher.sbt.net

MX Priorities

  • reaper.sbt.net: 20
  • thresher.sbt.net: 20

A / AAAA Records

  • 67.132.178.151 ↩ river.sbt.net

Mail Server IPs

  • 67.132.178.152 ↩ mail.sbt.net
  • 63.147.100.152 ↩ mail.sbt.net

SOA Record

Raw SOA bob.sbt.net root.bob.sbt.net 2025111118 10800 3600 604800 86400
Primary NS (mname)
bob.sbt.net
Admin Email (rname)
root@bob.sbt.net
Serial
2025111118
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

phil.sbt.net
bob.sbt.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:63.147.100.128/27 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • SPFv=spf1 ip4:63.147.100.128/27 a mx ~all
  • SPFv=spf1 ip4:67.132.178.128/27 a mx ~all
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