seier-gruppe.de

Valid Email Server
Domain Lookup › seier-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
seier-gruppe.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 10:14:49 UTC · ↺ Refresh

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MX Hostnames

  • d300449.a.ess.de.barracudanetworks.com
  • d300449.b.ess.de.barracudanetworks.com

MX Priorities

  • d300449.b.ess.de.barracudanetworks.com: 20
  • d300449.a.ess.de.barracudanetworks.com: 10

A / AAAA Records

  • 195.201.215.73 ↩ www518.your-server.de
  • 2a01:4f8:d0a:650b::2 ↩ www518.your-server.de

Mail Server IPs

  • 18.185.115.252 ↩ mail.ess.de.barracuda.com
  • 18.185.115.251 ↩ mail.ess.de.barracuda.com
  • 18.185.115.250 ↩ mail.ess.de.barracuda.com

SOA Record

Raw SOA ns1105.ui-dns.org hostmaster.1and1.com 2018050960 28800 7200 604800 300
Primary NS (mname)
ns1105.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2018050960
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1066.ui-dns.de
ns1124.ui-dns.com
ns1105.ui-dns.biz
ns1105.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.167.148.144/32 ip4:134.119.19.28/32 ip4:212.34.64.185/32 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.sosafe.de include:_spf.google.com include:spf.ess.de.barracudanetworks.com include:_spf.zimpel.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

6 records
  • SPFv=spf1 ip4:185.167.148.144/32 ip4:134.119.19.28/32 ip4:212.34.64.185/32 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.sosafe.de include:_spf.google.com include:spf.ess.de.barracudanetworks.com include:_spf.zimpel.de -all
  • google-site-verification=eFxrb4hh7Z8t995AsAeZE-3OaXaxz5vXvP8aR_utwZQ
  • MS=ms33781056
  • /OcW8+Rq9Z/Q/pwY4ukT3PYYMboB9O5GCYCKLG4hc2l25Gks4u3sfxQM3uSxvIobjtlGi6Dv9Sv9e4ZfTiJE1w==
  • 8irp45bb8qbsn1lfs4qmhbm62k
  • facebook-domain-verification=kl1l8iwa4vmwykuh5hzemz385am62f
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