Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sigma-chemnitz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 07:42:33 UTC · ↺ Refresh
MX Hostnames
- mail-mta-2.sigma-chemnitz.de
- mx1.cvg.de
- mail-mta-3.sigma-chemnitz.de
- mx1.sigma-chemnitz.de
MX Priorities
- mx1.cvg.de: 10
- mx1.sigma-chemnitz.de: 30
- mail-mta-2.sigma-chemnitz.de: 20
- mail-mta-3.sigma-chemnitz.de: 20
A / AAAA Records
- 87.128.211.70 ↩ www-2017.sigma-chemnitz.de
- 2003:49:a034:1065:a:1::1 ↩ www.sigma-chemnitz.de
Mail Server IPs
- 193.158.56.146 ↩ tnet.sigma-chemnitz.de
- 62.153.82.29 ↩ vpn-c-1.sigma-chemnitz.de
- 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
SOA Record
Raw SOA
ns.cvg.de root.cvg.de 2026032400 10800 1800 1209600 21600
Primary NS (mname)
ns.cvg.de
Admin Email (rname)
root@cvg.de
Serial
2026032400
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
21600s
Nameservers (NS)
ns.cvg.de
secondary004.dtag.net
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 detectedNo 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
5 records- google-site-verification=nL_yM3029XVIxfXAK_LcBrkHk4veWns-z1994dvuXkY
- apple-domain-verification=CuPCiAtMZDKis2Cg
- MS=ms43933240
- google-site-verification=wqxuCmMuyOj4164AoV0GYUPZxsvIuRnTXsVkIy6wBx8
- SPFv=spf1 redirect=_spf.sigma-chemnitz.de
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