casknook.com - robtex.com
casknook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.169.206.193🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | dns1.4u-hosting.com | ||||||
| NS | dns1.4u-hosting.com ⭐ | ||||||
| A | 81.169.206.193🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | dns1.4u-hosting.com | ||||||
| NS | dns2.4u-hosting.com | ||||||
| A | 85.214.116.88🇩🇪 STRATO85.214.0.0/15 AG | ||||||
| PTR | dns2.4u-hosting.com | ||||||
| MX | mail.casknook.com ⭐ | ||||||
| A | 81.169.206.193🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | dns1.4u-hosting.com | ||||||
| TXT | v=spf1 +a +mx +a:u-online.nl | ||||||
| SOA | dns1.4u-hosting.comckn19341@gmail.com 2022-08-31 #5 | ||||||
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=1776018052 | ||||||
Subdomains
mail.casknook.com |
Same first word
casknook.com |
DNS History
14 records (4 active, 10 former)
●NSdns1.4u-hosting.com2026-03-14 → 2026-04-12 · 3 obs
● 2026-03-14 01:28:52
● 2026-04-12 18:26:52
●NSdns2.4u-hosting.com2026-03-14 → 2026-04-12 · 3 obs
● 2026-03-14 01:28:52
● 2026-04-12 18:26:52
○NSns1.networking4all.com2015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○NSns2.networking4all.net2015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○NSns3.networking4all.org2015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○NSsns1.4u-dns.com2015-11-16 → 2019-02-18 · 5 obs
● 2015-11-16 15:14:10
● 2019-02-18 05:37:46
○ 2026-03-14 01:28:52
○ 2026-04-12 18:26:52
○NSsns2.4u-dns.com2015-11-16 → 2019-02-18 · 5 obs
● 2015-11-16 15:14:10
● 2019-02-18 05:37:46
○ 2026-03-14 01:28:52
○ 2026-04-12 18:26:52
●MXmail.casknook.com2015-11-16 → 2026-04-12 · 3 obs
● 2015-11-16 15:14:10
● 2026-04-12 18:26:52
○MXmx1.networking4all.com2015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○MXmx2.networking4all.net2015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○A213.249.64.2112015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 02:21:36
○ 2015-11-16 15:14:10
○ 2026-04-12 18:26:52
○A216.52.184.2432008-03-20 → 2008-03-20 · 3 obs
○ 2015-08-17 02:21:36
○ 2026-04-12 18:26:52
●A81.169.206.1932026-03-14 → 2026-04-12 · 3 obs
● 2026-03-14 01:28:52
● 2026-04-12 18:26:52
○A85.214.156.2462015-11-16 → 2019-02-18 · 5 obs
● 2015-11-16 15:14:10
● 2019-02-18 05:37:46
○ 2026-03-14 01:28:52
○ 2026-04-12 18:26:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| casknook.com | dns1.4u-hosting.com, dns2.4u-hosting.com | 2 records |
✅ Authoritative Response
Server:85.214.116.88
NS records: dns1.4u-hosting.com, dns2.4u-hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for casknook.com (unsigned zone)
⏱️ Timing
Total: 259ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.206.193 |
| NS | 2 | dns2.4u-hosting.com, dns1.4u-hosting.com |
| MX | 1 | mail.casknook.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:u-online.nl |
| SOA | 1 | dns1.4u-hosting.com ckn19341.gmail.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns1.4u-hosting.com, dns2.4u-hosting.com)
Analysis
Hierarchy
casknook.com is a parent of mail.casknook.com.
IP Addresses
casknook.com points to a single IP address: 81.169.206.193.
Other host names such as knook.org, mail.knook.org, kes.nl, mail.kes.nl and mail.digitalekantoor.nl share IP numbers with casknook.com.
Name Servers
casknook.com is delegated to two name servers: dns1.4u-hosting.com and dns2.4u-hosting.com.
casknook.com uses the same name server setup as other domains, including digitalekantoor.nl, 4u-hosting.com, yod.nu, artproduction.nl and enzyme-energy.nl.
Hostnames with a single IP
dns1.4u-hosting.com resolves to: 81.169.206.193.
dns2.4u-hosting.com resolves to: 85.214.116.88.
Mail Servers
The mail server for casknook.com is mail.casknook.com.
Host mail.casknook.com points to IP 81.169.206.193.