sk-karlsruhe.de

Valid Email Server
Domain Lookup › sk-karlsruhe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sk-karlsruhe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 20:02:56 UTC · ↺ Refresh

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MX Hostnames

  • mx23b.antispameurope.com
  • mx23d.antispameurope.com
  • mx23c.antispameurope.com
  • mx23a.antispameurope.com
  • mail.sk-karlsruhe.de

MX Priorities

  • mx23c.antispameurope.com: 30
  • mx23d.antispameurope.com: 40
  • mail.sk-karlsruhe.de: 60
  • mx23a.antispameurope.com: 10
  • mx23b.antispameurope.com: 20

A / AAAA Records

  • 217.160.0.54 ↩ 217-160-0-54.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::247 ↩ 2001-08d8-100f-f000-0000-0000-0000-0247.elastic-ssl.ui-r.com

Mail Server IPs

  • 94.100.134.10 ↩ hsmx06.antispameurope.com
  • 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
  • 89.247.210.50 ↩ mail.sk-karlsruhe.de
  • 94.100.132.100 ↩ hsmx01.antispameurope.com
  • 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa

SOA Record

Raw SOA ns1104.ui-dns.org hostmaster.1und1.com 2017060165 28800 7200 604800 600
Primary NS (mname)
ns1104.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060165
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1104.ui-dns.org
ns1078.ui-dns.com
ns1082.ui-dns.biz
ns1023.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=sk-karlsruhe.de.spf.hornetdmarc.com
📊 DNS lookups: 1/10

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 redirect=sk-karlsruhe.de.spf.hornetdmarc.com
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