Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mst-sensor.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 09:12:04 UTC · ↺ Refresh
MX Hostnames
- icewarp.mst-sensor.de
MX Priorities
- icewarp.mst-sensor.de: 5
A / AAAA Records
- 217.160.0.26 ↩ 217-160-0-26.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 185.250.88.37 ↩ ICEWARP.ems-sensor.de
SOA Record
Raw SOA
ns1025.ui-dns.org hostmaster.kundenserver.de 2017042440 28800 7200 604800 300
Primary NS (mname)
ns1025.ui-dns.org
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017042440
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1025.ui-dns.de
ns1025.ui-dns.com
ns1025.ui-dns.org
ns1025.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a:icewarp.mst-sensor.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 4 chars (valid)
⚠ Public key too short (4 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- ZA=zGUrN5F0RpIkGy3Qunoybg==
- SPFv=spf1 a:icewarp.mst-sensor.de ~all
Full email verification for mst-sensor.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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