btsv.de

Valid Email Server
Domain Lookup › btsv.de

Domain Overview

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

Checked via [email protected] · 2026-03-28 20:38:28 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.de
  • mx01.ionos.de

MX Priorities

  • mx00.ionos.de: 10
  • mx01.ionos.de: 10

A / AAAA Records

  • 217.160.0.127 ↩ 217-160-0-127.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2f6 ↩ 2001-08d8-100f-f000-0000-0000-0000-02f6.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1065.ui-dns.com hostmaster.1und1.de 2017032941 28800 7200 604800 300
Primary NS (mname)
ns1065.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017032941
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1065.ui-dns.org
ns1065.ui-dns.de
ns1065.ui-dns.com
ns1065.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;adkim=s;aspf=s;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

3 records
  • google-site-verification=mVdyoVo3AMJXIbhlrNYqPuEAaSJleANBdk0kbkvHNyU
  • google-site-verification=cKXK0oCge7YO4QUr_g_qYXZGkUVP7qaglfOeyVFpbjA
  • SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de -all
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