Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rantzau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 14:44:02 UTC · ↺ Refresh
MX Hostnames
- rantzaugroup.in.tmes.trendmicro.eu
MX Priorities
- rantzaugroup.in.tmes.trendmicro.eu: 10
A / AAAA Records
- 40.69.43.225 (no PTR)
Mail Server IPs
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns1.de.colt.net hostmaster.rantzau.de 2021090958 600 300 604800 600
Primary NS (mname)
ns1.de.colt.net
Admin Email (rname)
hostmaster@rantzau.de
Serial
2021090958
Refresh
600s
Retry
300s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.uk.colt.net
ns1.de.colt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:193.100.124.64/29 ip4:193.100.124.128/26 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=s;aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- tmes=49bddd525a5d1421b0ebe28b8684762b
- apple-domain-verification=JSIN2uzPbvtHkbXT
- SPFv=spf1 mx ip4:193.100.124.64/29 ip4:193.100.124.128/26 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com ~all
- 5ls4HrJQ1hAgs7OayN7Rv04/PZ9wTw+Lc8asymbx3PHJjSL6+fcChm49b6IEKBen4YeusRqgGhqCBfq5FhOAbw==
- rantzauwebsite.azurewebsites.net
- vwtg0q2bdd0lm5b51sqzxp3d2d742y6m
Full email verification for rantzau.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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