Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dzhk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 12:56:19 UTC · ↺ Refresh
MX Hostnames
- dzhk-de.mail.protection.outlook.com
MX Priorities
- dzhk-de.mail.protection.outlook.com: 0
A / AAAA Records
- 212.53.214.48 ↩ www3186.c.artfiles.de
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.dzhk.de koester.mastermedia.com 2025101507 3600 1800 604800 900
Primary NS (mname)
ns2.dzhk.de
Admin Email (rname)
koester@mastermedia.com
Serial
2025101507
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns2.dzhk.de
lvps87-230-95-44.dedicated.hosteurope.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:212.53.214.48 ip4:213.146.75.106 ip4:87.230.95.44 ip4:217.92.156.50 ip4:90.187.20.61 include:spf.emailsys.net include:spf.protection.outlook.com include:_spf.zimpel.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 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
6 records- ttlsh7prkiqfb96dmf86j55cmi
- hpduqk646ie31lr9ri2bu0ep2b
- google-site-verification=8SBig9HqsiSFhxWbUkUZXrP-_gOFsFPsNbBiD44PsTY
- brevo-code:b261502da7f1e42a0d9c9e7431f91508
- SPFv=spf1 +a +mx ip4:212.53.214.48 ip4:213.146.75.106 ip4:87.230.95.44 ip4:217.92.156.50 ip4:90.187.20.61 include:spf.emailsys.net include:spf.protection.outlook.com include:_spf.zimpel.de -all
- MS=ms56376960
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