webmail.rh-arch.com - robtex.com
webmail.rh-arch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::29🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | webmail.web4u.cz | ||||||
| A | 81.91.86.29🇨🇿 WEB4U81.91.80.0/21 | ||||||
rh-arch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::12🇨🇿 WEB4U2001:1568::/33 | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| NS | ns.web4u.cz | ||||||
| MX | rharch-com0e.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2010-11-05 #1 | ||||||
rank #187148 in the tld
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A2001:1568::292018-11-06 → 2026-03-31 · 2 obs
● 2018-11-06 03:59:04
● 2026-03-31 07:18:22
● 2026-03-31 07:18:22
●A81.91.86.292018-11-06 → 2026-03-31 · 2 obs
● 2018-11-06 03:59:04
● 2026-03-31 07:18:22
● 2026-03-31 07:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rh-arch.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rh-arch.com (unsigned zone)
⏱️ Timing
Total: 545ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.29 |
| AAAA | 1 | 2001:1568::29 |
Analysis
IP Addresses
The entity webmail.rh-arch.com points to two IP numbers: 2001:1568::29 and 81.91.86.29.
For instance, other host names webmail.status.cz, webmail.2p.cz, webmail.fbckolin.cz, webmail.inel.cz and webmail.fastman.cz share IP numbers with webmail.rh-arch.com.