jointandback.com

Valid Email Server
Domain Lookup › jointandback.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 04:28:25 UTC · ↺ Refresh

MX Hostnames

  • mx01.1and1.co.uk
  • mx00.1and1.co.uk

MX Priorities

  • mx01.1and1.co.uk: 10
  • mx00.1and1.co.uk: 10

A / AAAA Records

  • 217.160.0.164 ↩ 217-160-0-164.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::28d ↩ 2001-08d8-100f-f000-0000-0000-0000-028d.elastic-ssl.ui-r.com

Mail Server IPs

  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns-uk.1and1-dns.co.uk hostmaster.1and1.com 2018051311 28800 7200 604800 300
Primary NS (mname)
ns-uk.1and1-dns.co.uk
Admin Email (rname)
hostmaster@1and1.com
Serial
2018051311
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns-uk.1and1-dns.com
ns-uk.1and1-dns.org
ns-uk.1and1-dns.biz
ns-uk.1and1-dns.co.uk

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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