Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
boulderwelt-dortmund.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:43:01 UTC · ↺ Refresh
MX Hostnames
- boulderweltdortmund-de02i.mail.protection.outlook.com
MX Priorities
- boulderweltdortmund-de02i.mail.protection.outlook.com: 0
A / AAAA Records
- 116.202.244.254 ↩ boulderwelt.de
- 2a01:4f8:241:4241::105 ↩ www.boulderwelt-dortmund.de
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com hostmaster.boulderwelt-dortmund.de 2026022401 3600 1800 1209600 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
hostmaster@boulderwelt-dortmund.de
Serial
2026022401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.nl2go.com include:spf.brevo.com include:mail.cxo-projects.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
dkim._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
4 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.nl2go.com include:spf.brevo.com include:mail.cxo-projects.com -all
- MS=ms39199443
- brevo-code:1fc65b7ebf9e7b3526552bb26f6bbb42
- facebook-domain-verification=e00n9wi49jdq82k4uavh96rj2cwrd4
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