josephrobb.com

Valid Email Server
Domain Lookup › josephrobb.com

Domain Overview

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

Checked via [email protected] · 2026-03-30 18:44:21 UTC · ↺ Refresh

MX Hostnames

  • mx1.biz.rr.com
  • mx2.biz.rr.com

MX Priorities

  • mx2.biz.rr.com: 20
  • mx1.biz.rr.com: 10

A / AAAA Records

  • 66.210.173.37 ↩ www.alamodexsites.net

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 ns1.biz.rr.com hostmaster.charter.com 2025060000 43200 3600 2419200 3600
Primary NS (mname)
ns1.biz.rr.com
Admin Email (rname)
hostmaster@charter.com
Serial
2025060000
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.biz.rr.com
ns2.biz.rr.com
dns4.rr.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.

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