Domain Overview
DNS: ✓ just now
Checker: ✓ just now
kletterwelt-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:29:44 UTC · ↺ Refresh
MX Hostnames
- kletterweltgmbh-de02i.mail.protection.outlook.com
MX Priorities
- kletterweltgmbh-de02i.mail.protection.outlook.com: 0
A / AAAA Records
- 116.202.244.254 ↩ boulderwelt.de
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
- 52.101.73.126 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
helium.ns.hetzner.de hostmaster.kletterwelt-gmbh.de 2026082201 7200 1800 1209600 3600
Primary NS (mname)
helium.ns.hetzner.de
Admin Email (rname)
hostmaster@kletterwelt-gmbh.de
Serial
2026082201
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:mail.cxo-projects.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx include:spf.protection.outlook.com include:mail.cxo-projects.com -all
- have-i-been-pwned-verification=ef1f0bf787bcdb7d4ceb2d4bcf8f9e1a
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