sigmagmbh.de

Valid Email Server
Domain Lookup › sigmagmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sigmagmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 08:54:27 UTC · ↺ Refresh

MX Hostnames

  • mail-mta-3.sigma-chemnitz.de
  • mx1.cvg.de
  • mx1.sigma-chemnitz.de
  • mail-mta-2.sigma-chemnitz.de

MX Priorities

  • mail-mta-2.sigma-chemnitz.de: 20
  • mail-mta-3.sigma-chemnitz.de: 20
  • mx1.cvg.de: 10
  • mx1.sigma-chemnitz.de: 30

A / AAAA Records

  • 87.128.211.70 ↩ www-2017.sigma-chemnitz.de
  • 2003:49:a034:1065:a:1::6 ↩ www-2017.sigmagmbh.de

Mail Server IPs

  • 2003:49:a034:1067:d::2 ↩ mail-mta-2.sigma-chemnitz.de
  • 193.158.56.148 ↩ mail.cvg.de
  • 2003:49:a034:1067:d::3 ↩ mail-mta-3.sigma-chemnitz.de
  • 193.158.56.146 ↩ tnet.sigma-chemnitz.de
  • 62.153.82.29 ↩ vpn-c-1.sigma-chemnitz.de

SOA Record

Raw SOA ns.cvg.de root.cvg.de 2026033100 10800 1800 1209600 21600
Primary NS (mname)
ns.cvg.de
Admin Email (rname)
root@cvg.de
Serial
2026033100
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
21600s

Nameservers (NS)

secondary006.dtag.net
pns.dtag.de
ns.cvg.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.sigma-chemnitz.de
📊 DNS lookups: 1/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

4 records
  • SPFv=spf1 redirect=_spf.sigma-chemnitz.de
  • google-site-verification=ZYwaPufCRde-vOmzJsUxR8nUPqf7WWSK0-3TlclrQ7g
  • MS=ms63674797
  • google-site-verification=l6gVnx06PEm5MPL8TR0NpVmR895HQ5a7viLFql8scS0
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