dr-kupf.de

Valid Email Server
Domain Lookup › dr-kupf.de

Domain Overview

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

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

MX Hostnames

  • mx4.webhoster.at
  • mx1.webhoster.de
  • mx3.webhoster.org
  • mx2.webhoster.net

MX Priorities

  • mx1.webhoster.de: 10
  • mx3.webhoster.org: 30
  • mx2.webhoster.net: 20
  • mx4.webhoster.at: 40

A / AAAA Records

  • 91.230.22.70 ↩ hosting3.mediasoulutions.de
  • 2a0b:fb00:9::91:230:22:70 ↩ hosting3.mediasoulutions.de

Mail Server IPs

  • 185.159.120.90 ↩ spamschutz3.webhoster.de
  • 212.172.221.190 ↩ spamschutz.webhoster.de
  • 62.26.112.190 ↩ spamschutz2.webhoster.de
  • 185.159.122.190 ↩ spamschutz4.webhoster.de
  • 62.27.118.190 ↩ spamschutzb.webhoster.de
  • 62.26.185.190 ↩ spamschutz2b.webhoster.de

SOA Record

Raw SOA dns.webhosternameserver.de info.webhoster.ag 2023050312 3600 1800 1209600 86400
Primary NS (mname)
dns.webhosternameserver.de
Admin Email (rname)
info@webhoster.ag
Serial
2023050312
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns.webhosternameserver.net
dns.webhosternameserver.de
dns.webhosternameserver.com

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.webhoster.de ip4:185.159.120.246 ip4:91.230.22.70 ip6:2a0b:fb00:9:0:91:230:22:70/64 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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 a include:spf.webhoster.de ip4:185.159.120.246 ip4:91.230.22.70 ip6:2a0b:fb00:9:0:91:230:22:70/64 -all
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