ktk.de

Valid Email Server
Domain Lookup › ktk.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ktk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:33:54 UTC · ↺ Refresh

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MX Hostnames

  • ktk-de.mail.protection.outlook.com

MX Priorities

  • ktk-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 82.115.96.112 ↩ home.ktk.de
  • 2a02:1628:0:c00a::112 ↩ home.ktk.de

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns-a.ktk.de hostmaster.noc.ktk.de 2019055473 3600 900 604800 3600
Primary NS (mname)
ns-a.ktk.de
Admin Email (rname)
hostmaster@noc.ktk.de
Serial
2019055473
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns-b.ktk.io
ns-c.ktk.de
ns-a.ktk.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mail.ktk.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
  • 57e85417b3c2e3fc52d2b82bbe80a631a7f304e51e96cf23bf4cb7f265e7577a
  • 9bb5c271f273ab56aa00ac1441da91e7c4f86b14f2baf6d4a9260f5215c69c2e
  • MS=ms30291693
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.ktk.de ~all
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