Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibkrone.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 19:15:11 UTC · ↺ Refresh
MX Hostnames
- mailrelay01.fd2.nethinks.com
MX Priorities
- mailrelay01.fd2.nethinks.com: 10
A / AAAA Records
- 217.160.0.234 ↩ 217-160-0-234.elastic-ssl.ui-r.com
Mail Server IPs
- 212.218.18.102 ↩ mailrelay01.fd2.nethinks.com
- 2001:4cd8:1:a001::66 (no PTR)
SOA Record
Raw SOA
ns1097.ui-dns.biz hostmaster.kundenserver.de 2016110534 28800 7200 604800 300
Primary NS (mname)
ns1097.ui-dns.biz
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016110534
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1097.ui-dns.org
ns1097.ui-dns.biz
ns1097.ui-dns.de
ns1097.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.218.13.48/29 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;adkim=s;aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 604 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:212.218.13.48/29 -all
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