Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibtc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 00:46:23 UTC · ↺ Refresh
MX Hostnames
- hosted.mailcow.de
MX Priorities
- hosted.mailcow.de: 10
A / AAAA Records
- 116.203.215.180 ↩ ibtc.de
- 2a01:4f8:c0c:cacb::1 ↩ ibtc.de
Mail Server IPs
- 5.1.76.202 ↩ hosted.mailcow.de
- 2a00:f820:417::202 ↩ hosted.mailcow.de
SOA Record
Raw SOA
ns3.domainoffensive.de info.domains.resellerinterface.de 1774487253 10800 3600 604800 300
Primary NS (mname)
ns3.domainoffensive.de
Admin Email (rname)
info@domains.resellerinterface.de
Serial
1774487253
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.domainoffensive.de
ns1.domainoffensive.de
ns2.domainoffensive.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailcow.de include:spf.lessing.eopac.net include:spf.eichendorff.eopac.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
2 records- SPFv=spf1 include:spf.mailcow.de include:spf.lessing.eopac.net include:spf.eichendorff.eopac.net ~all
- google-site-verification=k0sbyAGEOaE311DUvmyzfBZUSU-MjIaYmqJkXjVocdM
Full email verification for ibtc.de
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