isgr.de

Valid Email Server
Domain Lookup › isgr.de

Domain Overview

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

Checked via [email protected] · 2026-03-18 06:53:54 UTC · ↺ Refresh

MX Hostnames

  • mail.runkel-bau.de
  • mx00.kundenserver.de
  • runkel-bau.dyndns.org
  • mx01.kundenserver.de

MX Priorities

  • mail.runkel-bau.de: 10
  • runkel-bau.dyndns.org: 20
  • mx01.kundenserver.de: 30
  • mx00.kundenserver.de: 30

A / AAAA Records

  • 217.160.0.224 ↩ 217-160-0-224.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2df ↩ 2001-08d8-100f-f000-0000-0000-0000-02df.elastic-ssl.ui-r.com

Mail Server IPs

  • 88.79.168.243 ↩ mail.runkel-bau.de
  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1020.ui-dns.org hostmaster.1und1.de 2016061828 28800 7200 604800 300
Primary NS (mname)
ns1020.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016061828
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1020.ui-dns.biz
ns1020.ui-dns.de
ns1020.ui-dns.org
ns1020.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_spf-eu.ionos.com ~all
📊 DNS lookups: 2/10
~ 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 mx include:_spf-eu.ionos.com ~all
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