Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jbo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 08:31:40 UTC · ↺ Refresh
MX Hostnames
- mail.jbo.de
MX Priorities
- mail.jbo.de: 10
A / AAAA Records
- 116.202.165.164 ↩ web08.leoserver.de
- 2a01:4f8:241:5b1::666 (no PTR)
Mail Server IPs
- 116.202.165.164 ↩ web08.leoserver.de
- 2a01:4f8:241:5b1::666 (no PTR)
SOA Record
Raw SOA
ns1.cage-dns.de domains.leo-skull.de 2026022502 10800 3600 1209600 10800
Primary NS (mname)
ns1.cage-dns.de
Admin Email (rname)
domains@leo-skull.de
Serial
2026022502
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns3.cage-dns.de
ns1.cage-dns.de
ns2.cage-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:web08.leoserver.de a:o1.mailout.cage.de include:leo-skull.de include:spf.mailjet.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=vYXa_-YWN4qto7NOcoEbjvn9_ZIuAUIwNW0CVNDJiIQ
- Ticket ID - 346034
- SPFv=spf1 mx a a:web08.leoserver.de a:o1.mailout.cage.de include:leo-skull.de include:spf.mailjet.com ~all
Full email verification for jbo.de
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