rbplumbing.com

Valid Email Server
Domain Lookup › rbplumbing.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 15:48:53 UTC · ↺ Refresh

MX Hostnames

  • mail.rbplumbing.com

MX Priorities

  • mail.rbplumbing.com: 0

A / AAAA Records

  • 162.215.248.245 ↩ 162-215-248-245.unifiedlayer.com

Mail Server IPs

  • 162.215.248.245 ↩ 162-215-248-245.unifiedlayer.com

SOA Record

Raw SOA ns1.site5.com root.shared58.accountservergroup.com 2022050902 86400 7200 3600000 86400
Primary NS (mname)
ns1.site5.com
Admin Email (rname)
root@shared58.accountservergroup.com
Serial
2022050902
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.site5.com
ns1.site5.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:websitewelcome.com ~all
📊 DNS lookups: 3/10
~ 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

1 record
  • SPFv=spf1 a mx include:websitewelcome.com ~all
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