messages.pb.com

Valid Email Server
Domain Lookup › messages.pb.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
messages.pb.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 22:11:42 UTC · ↺ Refresh

MX Hostnames

  • mail6820.pitneybowes.mkt7419.com
  • reply.pitneybowes.mkt7419.com

MX Priorities

  • reply.pitneybowes.mkt7419.com: 10
  • mail6820.pitneybowes.mkt7419.com: 20

A / AAAA Records

  • 199.231.33.6 (no PTR)

Mail Server IPs

  • 34.202.253.227 ↩ ec2-34-202-253-227.compute-1.amazonaws.com
  • 208.95.134.204 ↩ mail6820.pitneybowes.mkt7419.com

SOA Record

Raw SOA dns1.p08.nsone.net hostmaster.nsone.net 1521690994 43200 7200 1209600 3600
Primary NS (mname)
dns1.p08.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1521690994
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns04.pbns1.com
dns1.p08.nsone.net
dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
ns01.pbns1.com
ns02.pbns1.com
ns03.pbns1.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:208.95.134.204 -all
📊 DNS lookups: 0/10
✓ 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

1 record
  • SPFv=spf1 ip4:208.95.134.204 -all
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