cn.klueber.com

Valid Email Server
Domain Lookup › cn.klueber.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cn.klueber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 06:49:03 UTC · ↺ Refresh

MX Hostnames

  • cn-klueber-com.mail.protection.outlook.com

MX Priorities

  • cn-klueber-com.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA gg1.klueber.de root.gg1.klueber.de 2013041359 86400 7200 3500000 86400
Primary NS (mname)
gg1.klueber.de
Admin Email (rname)
root@gg1.klueber.de
Serial
2013041359
Refresh
86400s
Retry
7200s
Expire
3500000s
Minimum TTL
86400s

Nameservers (NS)

gg.klueber.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.76.19.48/28 ip4:62.134.187.0/26 ip4:78.46.10.44 ip4:101.133.165.77 include:mktomail.com include:spf.protection.outlook.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: 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

2 records
  • SPFv=spf1 ip4:202.76.19.48/28 ip4:62.134.187.0/26 ip4:78.46.10.44 ip4:101.133.165.77 include:mktomail.com include:spf.protection.outlook.com -all
  • MS=AF165251B61BDF8EDBCF88E8E99E74150A3029E2
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