dr-krumholz.de

Valid Email Server
Domain Lookup › dr-krumholz.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-krumholz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:07:26 UTC · ↺ Refresh

MX Hostnames

  • mail.bytebox.de
  • mx.dr-krumholz.de

MX Priorities

  • mx.dr-krumholz.de: 10
  • mail.bytebox.de: 50

A / AAAA Records

  • 217.160.0.243 ↩ 217-160-0-243.elastic-ssl.ui-r.com

Mail Server IPs

  • 80.147.71.18 ↩ mx.dr-krumholz.de
  • 213.61.216.117 ↩ mail.bytebox.de

SOA Record

Raw SOA ns1076.ui-dns.de hostmaster.schlund.de 2017010543 28800 7200 604800 300
Primary NS (mname)
ns1076.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2017010543
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1076.ui-dns.com
ns1076.ui-dns.de
ns1076.ui-dns.org
ns1076.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:bytebox.de include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=quarantine; fo=0:1:d:s; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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:bytebox.de include:_spf-eu.ionos.com ~all
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