prbd.com

Valid Email Server
Domain Lookup › prbd.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 12:58:47 UTC · ↺ Refresh

MX Hostnames

  • mail.prbd.com

MX Priorities

  • mail.prbd.com: 0

A / AAAA Records

  • 70.91.175.129 ↩ 70-91-175-129-BusName-Colorado.hfc.comcastbusiness.net

Mail Server IPs

  • 70.91.175.131 ↩ 70-91-175-131-BusName-Colorado.hfc.comcastbusiness.net

SOA Record

Raw SOA pns41.cloudns.net support.cloudns.net 2026031604 7200 1800 1209600 3600
Primary NS (mname)
pns41.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026031604
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

pns44.cloudns.net
pns41.cloudns.net
pns43.cloudns.net
pns42.cloudns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:208.123.135.5/31 ip4:70.91.175.129/31 ip4:70.91.175.131 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; fo=1; rf=iodef; ri=86400; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

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
  • MS=ms79428217
  • SPFv=spf1 include:spf.protection.outlook.com ip4:208.123.135.5/31 ip4:70.91.175.129/31 ip4:70.91.175.131 ~all
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