4u-hosting.com - robtex.com
4u-hosting.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| NS | dns1.4u-hosting.com | ||||||
| A | 81.169.206.193🇩🇪 STRATO81.169.128.0/17 AG | ||||||
| PTR | dns1.4u-hosting.com | ||||||
| MX | mail.4u-hosting.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 | dns2.4u-hosting.comckn19341@gmail.com 2026-03-16 #1 | ||||||
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=1776119252 | ||||||
Subdomains
Same first word
4u-hosting.nl |
4u-hosting.com |
Similar names
DNS History
7 records (4 active, 3 former)
●NSdns1.4u-hosting.com2026-04-13 → 2026-04-13 · 3 obs
● 2026-04-13 20:37:08
● 2026-04-13 22:45:52
●NSdns2.4u-hosting.com2026-04-13 → 2026-04-13 · 3 obs
● 2026-04-13 20:37:08
● 2026-04-13 22:45:52
○NSsns1.4u-dns.com2015-07-19 → 2018-12-18 · 4 obs
● 2018-12-18 14:23:36
○ 2026-04-13 20:37:08
○ 2026-04-13 22:45:52
○NSsns2.4u-dns.com2015-07-19 → 2018-12-18 · 4 obs
● 2018-12-18 14:23:36
○ 2026-04-13 20:37:08
○ 2026-04-13 22:45:52
●MXmail.4u-hosting.com2015-07-19 → 2026-04-13 · 2 obs
● 2026-04-13 22:45:52
●A81.169.206.1932026-04-13 → 2026-04-13 · 3 obs
● 2026-04-13 20:37:08
● 2026-04-13 22:45:52
○A85.214.156.2462015-07-19 → 2018-12-18 · 4 obs
● 2018-12-18 14:23:36
○ 2026-04-13 20:37:08
○ 2026-04-13 22:45:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net... | - |
| 4u-hosting.com | dns1.4u-hosting.com, dns2.4u-hosting.com | 2 records |
✅ Authoritative Response
Server:81.169.206.193
NS records: dns1.4u-hosting.com, dns2.4u-hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4u-hosting.com (unsigned zone)
⏱️ Timing
Total: 252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.206.193 |
| NS | 2 | dns1.4u-hosting.com, dns2.4u-hosting.com |
| MX | 1 | mail.4u-hosting.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:u-online.nl |
| SOA | 1 | dns2.4u-hosting.com ckn19341.gmail.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (dns1.4u-hosting.com, dns2.4u-hosting.com)
Analysis
Hierarchy
4u-hosting.com is a parent of mail.4u-hosting.com, dns1.4u-hosting.com and dns2.4u-hosting.com.
IP Addresses
4u-hosting.com points to a single IP number: 81.169.206.193.
other host names for instance dns1.4u-hosting.com, yod.nu, mail.casknook.com, artproduction.nl and enzyme-energy.nl share IP numbers with 4u-hosting.com.
Name Servers
4u-hosting.com is delegated to two name servers: dns1.4u-hosting.com and dns2.4u-hosting.com.
4u-hosting.com shares the same name server setup as other domains, for example knook.org, casknook.com, kes.nl, digitalekantoor.nl and yod.nu.
Host names with one IP number:
The host dns1.4u-hosting.com points to 81.169.206.193 and the host dns2.4u-hosting.com points to 85.214.116.88.
Mail Servers
4u-hosting.com is handled by a single mail server, mail.4u-hosting.com.
Host name mail.4u-hosting.com points to IP address 81.169.206.193.