Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jk-kom.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 17:09:36 UTC · ↺ Refresh
MX Hostnames
- jkkom-de0e.mail.protection.outlook.com
MX Priorities
- jkkom-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 194.6.194.52 ↩ carina.jk.corpex-kunden.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
dns-auth-1.corpex-dns.de dnsmaster.corpex-dns.de 2026030601 28800 7200 3600000 3600
Primary NS (mname)
dns-auth-1.corpex-dns.de
Admin Email (rname)
dnsmaster@corpex-dns.de
Serial
2026030601
Refresh
28800s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
dns-auth-1.corpex-dns.de
dns-auth-2.corpex-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.121.148.12 ip4:178.15.154.113 ip4:178.15.154.115 ip4:134.119.240.55 ip4:212.121.135.80/28 include:spf.mailjet.com include:spf.corpex.de mx include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
3 records- asv=b140dff48ce6c9f71ee65dc2f0fb4633
- MS=ms58630040
- SPFv=spf1 ip4:212.121.148.12 ip4:178.15.154.113 ip4:178.15.154.115 ip4:134.119.240.55 ip4:212.121.135.80/28 include:spf.mailjet.com include:spf.corpex.de mx include:spf.protection.outlook.com -all
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