icw.de

Valid Email Server
Domain Lookup › icw.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
icw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 23:56:18 UTC · ↺ Refresh

MX Hostnames

  • smtp.x-tention.cloud

MX Priorities

  • smtp.x-tention.cloud: 10

A / AAAA Records

  • 193.228.97.205 (no PTR)

Mail Server IPs

  • 193.228.97.133 ↩ smtp3.x-tention.cloud
  • 193.228.97.132 ↩ smtp2.x-tention.cloud
  • 193.228.97.131 ↩ smtp1.x-tention.cloud

SOA Record

Raw SOA a.ns14.net do-not-reply.icw.de 2024120500 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@icw.de
Serial
2024120500
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
a.ns14.net
b.ns14.net
d.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.x-tention.cloud include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • cisco-ci-domain-verification=14cdef89e75f204c1c20717ab9d202d1c3e92e65faf321193cc75a5d703e3fed
  • MS=ms38062045
  • SPFv=spf1 include:spf.x-tention.cloud include:spf.protection.outlook.com -all
  • MS=ms11204554
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