Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 12:22:18 UTC · ↺ Refresh
MX Hostnames
- mailgw2.ibb.de
- mailgw1.ibb.de
- mailgw3.ibb.de
MX Priorities
- mailgw1.ibb.de: 10
- mailgw2.ibb.de: 20
- mailgw3.ibb.de: 30
A / AAAA Records
- 213.61.227.177 ↩ www.ibb.de
Mail Server IPs
- 213.61.227.182 ↩ mailgw1.ibb.de
- 213.61.227.190 ↩ mailgw2.ibb.de
- 213.61.227.189 ↩ mailgw3.ibb.de
SOA Record
Raw SOA
ns0.de.colt.net dns-requests.colt.net 2025120202 43200 7200 1209600 86400
Primary NS (mname)
ns0.de.colt.net
Admin Email (rname)
dns-requests@colt.net
Serial
2025120202
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns8.colt.net
ns0.de.colt.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:213.61.227.190 ip4:213.61.227.189 ip4:213.61.227.182 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._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
4 records- SPFv=spf1 ip4:213.61.227.190 ip4:213.61.227.189 ip4:213.61.227.182 -all
- apple-domain-verification=b6e3u3EOG33ylhMn
- google-site-verification=oEFCp-tViLcdJxWJnkn8Rzf2d5dWbN2nvdLC4-idZhQ
- MS=4835C6CCFDB119D5A6C504F2BBA957F7FB6D4337
Full email verification for ibb.de
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