sfnb.net

Valid Email Server
Domain Lookup › sfnb.net

Domain Overview

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

Checked via [email protected] · 2026-03-23 17:19:49 UTC · ↺ Refresh

MX Hostnames

  • mx2-us1.ppe-hosted.com
  • mx1-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 172.64.144.220 (no PTR)
  • 104.18.43.36 (no PTR)
  • 2a06:98c1:310c::ac40:90dc (no PTR)
  • 2606:4700:4407::6812:2b24 (no PTR)

Mail Server IPs

  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA ns1.jh-cf.com dns.cloudflare.com 2399342131 10000 2400 604800 1800
Primary NS (mname)
ns1.jh-cf.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399342131
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns2.jh-cf.com
ns1.jh-cf.com

SPF Record

✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:gateways.apiture.com include:secureserver.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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

4 records
  • MS=ms87086979
  • ng3f9qqk7k0tvb2rnj5g1fl7vvnjf7l0
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:gateways.apiture.com include:secureserver.net -all
  • yj0bv4rtqwy2qgw2q3rz97cw8bzphsc0
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