gtkp.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 10:45:57 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 89.22.114.34 ↩ mx145.profilschmiede.de

Mail Server IPs

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

SOA Record

Raw SOA ns5.profilschmiede.de do-not-reply.gtkp.de 2025101805 43200 7200 1209600 86400
Primary NS (mname)
ns5.profilschmiede.de
Admin Email (rname)
do-not-reply@gtkp.de
Serial
2025101805
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns7.profilschmiede.de
ns5.profilschmiede.de
ns6.profilschmiede.de
ns8.profilschmiede.de

SPF Record

✓ Strict (-all)
v=spf1 a a:mx20.profilschmiede.de a:mx145.profilschmiede.de include:itr-mailservice.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ 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 a:mx20.profilschmiede.de a:mx145.profilschmiede.de include:itr-mailservice.de include:spf.protection.outlook.com -all
  • gjr9kn7z3gzf7ys49vjb6b51t43ll9ps
  • 037v5pw4byhsrs7lm7x3k4gcnrm802rw
  • MS=82ABCC24240BCA6B5AF7E968EF059ED62F1919C2
  • sophos-domain-verification=6b48cf994fc7ef21c207798c1b5259e65e2b652e
  • google-site-verification=Ewga9Nue7oXTsotfp8iOB83kAqwWJ-V7pdqhdu5-hU4
  • z5qf5scsqsry893mml9trsw5fbp5rpw8
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