kupona.de

Valid Email Server
Domain Lookup › kupona.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kupona.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 19:50:24 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 88.99.121.193 ↩ static.193.121.99.88.clients.your-server.de
  • 2a01:4f8:c010:17eb::1 (no PTR)

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026033100 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026033100
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

robotns2.second-ns.de
ns1.first-ns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:kp-tux01.kpsys.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
mail._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • brevo-code:2e060acb66af020f64c9a25aec71f4dd
  • sw-domain-hash=de4c67c9141dc3810873e7c578351893
  • MS=ms82585785
  • google-site-verification=8esU0Eb0-LqAcXDRGj1c8PafeBiQ7Hd4lyVE-pFu2S8
  • google-site-verification=x7PZfkDgkllNGQE1xRtGCKWfxWiNpyBInjsrjSpYPUE
  • kdiscover https://webmail.kupona.de
  • SPFv=spf1 include:spf.protection.outlook.com a:kp-tux01.kpsys.de -all
  • 3505f70d272ffef2a50caa985f4dd8ac818a8e04600b9baac4d012d81cbcc3c
  • 9de3e21548b98e720c6142758275147c6eb1b65be140b38bd43776967510294
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