rnbd.net

Valid Email Server
Domain Lookup › rnbd.net

Domain Overview

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

Checked via [email protected] · 2026-03-21 13:06:22 UTC · ↺ Refresh

MX Hostnames

  • mx1.biz.rr.com
  • mx2.biz.rr.com

MX Priorities

  • mx2.biz.rr.com: 10
  • mx1.biz.rr.com: 10

A / AAAA Records

  • 66.113.136.229 (no PTR)

Mail Server IPs

  • 47.43.26.68 ↩ p-bc5-iedge-2-vip.rr.com.msg.pkvw.co.charter.net
  • 47.43.26.67 ↩ p-bc5-iedge-vip.rr.com.msg.pkvw.co.charter.net

SOA Record

Raw SOA adns.cs.onr.siteprotect.com hostmaster.rnbd.net 2021110319 172800 900 1209600 3600
Primary NS (mname)
adns.cs.onr.siteprotect.com
Admin Email (rname)
hostmaster@rnbd.net
Serial
2021110319
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

adns.cs.siteprotect.com
bdns.cs.siteprotect.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

Full email verification for rnbd.net

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits