Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saarbruecker-stadtwerke.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 10:06:32 UTC · ↺ Refresh
MX Hostnames
- tecmxp01.tec-saar.de
- tecmxp02.tec-saar.de
MX Priorities
- tecmxp02.tec-saar.de: 10
- tecmxp01.tec-saar.de: 10
A / AAAA Records
- 185.104.207.82 ↩ sb-proxy1.hgcloud.de
Mail Server IPs
- 178.250.120.31 ↩ TECMXP02.tec-saar.de
- 178.250.120.30 ↩ mx01.tec-saar.de
SOA Record
Raw SOA
ns1.tec-saar.de hostmaster.tec-saar.de 2005073038 86400 1800 604800 300
Primary NS (mname)
ns1.tec-saar.de
Admin Email (rname)
hostmaster@tec-saar.de
Serial
2005073038
Refresh
86400s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.tec-saar.de
ns1.tec-saar.de
ns3.tec-saar.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:178.250.120.120/32 ip4:178.250.120.121/32 ip4:178.250.120.122/32 ip4:178.250.120.30/32 ip4:178.250.120.31/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms83322018
- SPFv=spf1 mx ip4:178.250.120.120/32 ip4:178.250.120.121/32 ip4:178.250.120.122/32 ip4:178.250.120.30/32 ip4:178.250.120.31/32 -all
- swisssign-check=nomsgjmdaeweRd01Vtorz25yfaRCZVy36Ff29Lq1iG
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