mail.johash.com - robtex.com
mail.johash.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.40.91.234🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | cad.crystalregistry.com | ||||||
johash.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.40.91.234🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| NS | ns41.crystalregistry.com ⭐ | ||||||
| NS | ns42.crystalregistry.com | ||||||
| MX | mail.johash.com ⭐ | ||||||
| TXT | v=spf1 a mx ip4:188.40.91.234 ip6:2a01:4f8:221:1624:0:0:0:2 ~all | ||||||
| SOA | ns41.crystalregistry.comhostmaster@johash.com 2026-07-23 #0 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A188.40.91.2342026-07-22 → 2026-07-26 · 2 obs
● 2026-07-22 16:15:54
● 2026-07-26 12:33:28
● 2026-07-26 12:33:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| johash.com | ns42.crystalregistry.com, ns41.crystalregistry.com | 2 records |
✅ Authoritative Response
Server:188.40.91.234
NS records: ns42.crystalregistry.com, ns41.crystalregistry.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for johash.com (unsigned zone)
⏱️ Timing
Total: 235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.40.91.234 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns42.crystalregistry.com, ns41.crystalregistry.com)
Analysis
Mail Server Role
Mail for johash.com is routed through the mail server mail.johash.com.
IP Addresses
mail.johash.com has exactly one IP address — 188.40.91.234.
asvca.com, ns21.plutonqatar.com, metrointeriorsindia.com plus two other host names have IP numbers in common with mail.johash.com.