Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kocks-ing.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:45:56 UTC · ↺ Refresh
MX Hostnames
- kocksing-de01c.mail.protection.outlook.com
MX Priorities
- kocksing-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 87.230.47.109 ↩ vwp3870.webpack.hosteurope.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-a.ktk.de hostmaster.noc.ktk.de 2019052143 3600 900 604800 3600
Primary NS (mname)
ns-a.ktk.de
Admin Email (rname)
hostmaster@noc.ktk.de
Serial
2019052143
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns-a.ktk.de
ns-b.ktk.io
ns-c.ktk.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:sophos.kocks-ing.de include:spf.protection.outlook.com include:spf.emailsignatures365.com ip4:87.230.47.109 -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
✓ 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
2 records- SPFv=spf1 mx a:sophos.kocks-ing.de include:spf.protection.outlook.com include:spf.emailsignatures365.com ip4:87.230.47.109 -all
- MS=ms19601489
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