Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isf-muenchen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:56:15 UTC · ↺ Refresh
MX Hostnames
- isfmuenchen-de0i.mail.protection.outlook.com
MX Priorities
- isfmuenchen-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 135.181.13.138 ↩ static.138.13.181.135.clients.your-server.de
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net info.polecat.de 2026010801 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
info@polecat.de
Serial
2026010801
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
b.ns14.net
a.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:kronos.mail-gate.de include:spf.sendinblue.com mx -all
📊 DNS lookups: 4/10
✓ 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
3 records- brevo-code:7d51bb1d8f80806c5777fbd3bee0edd6
- MS=ms21727506
- SPFv=spf1 include:spf.protection.outlook.com include:kronos.mail-gate.de include:spf.sendinblue.com mx -all
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