jacekblech.com - robtex.com
jacekblech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.58.49.6🇩🇪 netcup-AS89.58.48.0/22 | ||||||
| PTR | v220240420695264563.bestsrv.de | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.jacekblech.com ⭐ | ||||||
| A | 89.58.49.6🇩🇪 netcup-AS89.58.48.0/22 | ||||||
| PTR | v220240420695264563.bestsrv.de | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2024-04-11 #22 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774909507 | ||||||
Subdomains
mail.jacekblech.com |
Same first word
jacekblech.com |
DNS History
6 records (5 active, 1 former)
●NSroot-dns.netcup.net2016-12-14 → 2026-03-30 · 2 obs
● 2026-03-30 22:53:44
●NSsecond-dns.netcup.net2016-12-14 → 2026-03-30 · 2 obs
● 2026-03-30 22:53:44
●NSthird-dns.netcup.net2016-12-14 → 2026-03-30 · 2 obs
● 2026-03-30 22:53:44
●MXmail.jacekblech.com2016-12-14 → 2026-03-30 · 2 obs
● 2026-03-30 22:53:44
○A5.45.100.1292016-12-14 → 2017-10-20 · 4 obs
● 2017-10-20 09:05:38
○ 2026-03-13 14:25:30
○ 2026-03-30 22:53:44
●A89.58.49.62026-03-13 → 2026-03-30 · 3 obs
● 2026-03-13 14:25:30
● 2026-03-30 22:53:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| jacekblech.com | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jacekblech.com (unsigned zone)
⏱️ Timing
Total: 851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.58.49.6 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | mail.jacekblech.com (pri: 10) |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.jacekblech.com is jacekblech.com.
IP Addresses
jacekblech.com points to a single IP address: 89.58.49.6.
Other host names, such as v220240420695264563.bestsrv.de and mail.jacekblech.com, share IP numbers with jacekblech.com.
Name Servers
jacekblech.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
jacekblech.com at least partially shares name servers with other domains, for example vaneijk.de, tim-e.de, xnick.de, bre-art.com and pisarew.de.
Host names with two IP numbers:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225
second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199
third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68
Mail Servers
The mail.jacekblech.com mail server handles jacekblech.com.
mail.jacekblech.com points to a single IP number: 89.58.49.6.