hwk-koeln.de

Valid Email Server
Domain Lookup › hwk-koeln.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hwk-koeln.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 12:41:47 UTC · ↺ Refresh

MX Hostnames

  • hwkkoeln-de0i.mail.protection.outlook.com

MX Priorities

  • hwkkoeln-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 176.95.69.164 (no PTR)

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA einstein.tillnet.de root.einstein.tillnet.de 2024102451 28800 7200 604800 86400
Primary NS (mname)
einstein.tillnet.de
Admin Email (rname)
root@einstein.tillnet.de
Serial
2024102451
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.dnsresolve.net
einstein.tillnet.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.184.181.170 ip4:212.184.181.171 ip4:195.145.108.151 ip4:195.145.108.152 ip4:176.95.69.188 include:spf.protection.outlook.com include:spf-de.emailsignatures365.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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

11 records
  • facebook-domain-verification=440x6g0u2d5jc8dxsj9jgx746v50gs
  • adobe-idp-site-verification=1fa2d1ddc726e0eb932946553b6f54fee86831f27d2f07629987a4dde4532384
  • MS=ms71810921
  • apple-domain-verification=eNVUO3aR4QrpNWQR
  • Foxit-domain-verification=f09f2d301e72eafe220b6c244f7e8eb5
  • SPFv=spf1 ip4:212.184.181.170 ip4:212.184.181.171 ip4:195.145.108.151 ip4:195.145.108.152 ip4:176.95.69.188 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • ZOOM_verify_j5qNmCppQjG-UypMA6S8ZA
  • google-site-verification=_t8L_Ez8TaAiiEetZiIhOv0cgaeQB7lyNWtL0-kgCtI
  • 7tSKd9wi7lz80f266Ya8W6cuzdwuuFzuQCTG/m7S1yS9T56xQ2PpgzQphWBa1Ap23j6Ifrgc3pKUUw23z3gNfQ==
  • google-site-verification=GlLgmk5GOa6KLpZnqhx1bzWBgbqG02l-Xm5nmjBZy9Y
  • apple-domain-verification=WgLdqNPYCG8DCddE
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