Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sensor-technik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:44:41 UTC · ↺ Refresh
MX Hostnames
- mail.sensor-technik.de
MX Priorities
- mail.sensor-technik.de: 100
A / AAAA Records
- 153.92.194.59 ↩ r16505.agenturserver.it
Mail Server IPs
- 80.150.181.156 ↩ mail.sensor-technik.de
SOA Record
Raw SOA
ns1.core-networks.de hostmaster.core-networks.de 2024092664 28800 7200 604800 180
Primary NS (mname)
ns1.core-networks.de
Admin Email (rname)
hostmaster@core-networks.de
Serial
2024092664
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns3.core-networks.com
ns2.core-networks.eu
ns1.core-networks.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.150.181.128/27 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 a mx ip4:80.150.181.128/27 -all
- nvsssgaattklbrrdltijfhk7ri
- MS=ms43279646
- qvaEb52Z/vgA2M3XRjOtjeOp/dSkhLq+eZBA0HTF6WHhwv1eRGiDc2jbOd8ujpEaicQLEo7EJZxmPZlFKUU5Gw==
- 8it1e1t273o7fca8l9hdqg3gg9
- v50nr4kmqndfhbun6909f4m49m
- name=Sensor-Technik Wiedemann GmbH
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