schirmer-bau.de

Valid Email Server
Domain Lookup › schirmer-bau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schirmer-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 11:22:41 UTC · ↺ Refresh

MX Hostnames

  • mail.schirmer-bau.de
  • mx00.kundenserver.de

MX Priorities

  • mail.schirmer-bau.de: 10
  • mx00.kundenserver.de: 20

A / AAAA Records

  • 217.160.0.41 ↩ 217-160-0-41.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 87.139.56.190 ↩ remote.schirmer-bau.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1107.ui-dns.com hostmaster.kundenserver.de 2017071921 28800 7200 604800 300
Primary NS (mname)
ns1107.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017071921
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1107.ui-dns.com
ns1107.ui-dns.de
ns1107.ui-dns.org
ns1107.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:securesmtprelay.t-online.de ip4:194.25.134.102/29 ip4:194.25.134.16/29 ip4:194.25.134.80/29 ip4:80.150.6.137 ip4:80.150.6.143 ip6:2003:2:2:15:80:150:6:143 ~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 a:securesmtprelay.t-online.de ip4:194.25.134.102/29 ip4:194.25.134.16/29 ip4:194.25.134.80/29 ip4:80.150.6.137 ip4:80.150.6.143 ip6:2003:2:2:15:80:150:6:143 ~all
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