kern-studer.de

Valid Email Server
Domain Lookup › kern-studer.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kern-studer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 17:28:35 UTC · ↺ Refresh

MX Hostnames

  • kernstuder-de01b.mail.protection.outlook.com

MX Priorities

  • kernstuder-de01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 80.74.130.240 ↩ m20p0210.sui-inter.net

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.pixels-points.ch info.kern-studer.ch 2026012701 3600 600 1209600 3600
Primary NS (mname)
ns1.pixels-points.ch
Admin Email (rname)
info@kern-studer.ch
Serial
2026012701
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.pixels-points.ch
ns1.pixels-points.ch

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • google-site-verification=rk6JiS0tyo1aaUPvgozN6VS05WUQ-x3LfgD1RsYxOBc
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=aziCz-LxrxVgC4rMs8qjqZ_RPaRANNIdXQtthanXiI4
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