Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jnp.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 10:05:36 UTC · ↺ Refresh
MX Hostnames
- jnp-de.mail.protection.outlook.com
MX Priorities
- jnp-de.mail.protection.outlook.com: 10
A / AAAA Records
- 194.6.194.22 ↩ antiope.corpex-kunden.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns-auth-1.corpex-dns.de dnsmaster.corpex-dns.de 2025060402 28800 7200 3600000 3600
Primary NS (mname)
dns-auth-1.corpex-dns.de
Admin Email (rname)
dnsmaster@corpex-dns.de
Serial
2025060402
Refresh
28800s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
dns-auth-2.corpex-dns.net
dns-auth-1.corpex-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.dbc-gruppe.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a mx include:spf.dbc-gruppe.de include:spf.protection.outlook.com -all
Full email verification for jnp.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits