Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
heinrich-kommunikation.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 22:10:20 UTC · ↺ Refresh
MX Hostnames
- heinrichkommunikation-de02b.mail.protection.outlook.com
MX Priorities
- heinrichkommunikation-de02b.mail.protection.outlook.com: 0
A / AAAA Records
- 92.205.52.132 ↩ sh23112.ispgateway.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa9.schlundtech.de juergen\.neuhahn.neuhahn.de 2024110801 43200 7200 1209600 86400
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
juergen\@neuhahn.neuhahn.de
Serial
2024110801
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsc9.schlundtech.de
nsd9.schlundtech.de
nsa9.schlundtech.de
nsb9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:ispgateway.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._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
6 records- MS=ms87042494
- 6aitv4vm05cbh9pm7r331r2huu
- uasdb9mla5i537fqme801git77
- c04b4klk2nl5tluh2jhkkjpe22
- SPFv=spf1 include:spf.protection.outlook.com include:ispgateway.de -all
- brevo-code:86b21f6bb13b4214356f454249378639
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