4ucomputer.com - robtex.com
4ucomputer.com
| DNSSEC | ⚠️ Not signed | ||||||
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=1774664172 | ||||||
Same first word
Similar names
computer4u.koeln |
computer4u.com |
computer4u.co.il |
computer4u.eu |
computer4u.ir |
computer4u.cz |
computer4u.de |
computer4u.in |
computer4u.ro |
DNS History
15 records (0 active, 15 former)
○NSns09.domaincontrol.com2015-10-30 → 2016-04-09 · 5 obs
○ 2015-06-20 07:49:34
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
○NSns1.namebrightdns.com2017-06-24 → 2026-02-16 · 4 obs
○ 2016-12-09 01:17:46
● 2017-06-24 20:56:10
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
● 2017-06-24 20:56:10
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
○NSns1.whois.co.kr2008-11-06 → 2008-11-06 · 3 obs
● 2008-11-06 21:58:44
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○NSns1.whoisweb.net2008-11-06 → 2008-11-06 · 3 obs
● 2008-11-06 21:58:44
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○NSns10.domaincontrol.com2015-10-30 → 2016-04-09 · 5 obs
○ 2015-06-20 07:49:34
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
○NSns2.namebrightdns.com2017-06-24 → 2026-02-16 · 4 obs
○ 2016-12-09 01:17:46
● 2017-06-24 20:56:10
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
● 2017-06-24 20:56:10
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
○NSns35.domaincontrol.com2015-06-20 → 2015-06-20 · 4 obs
○ 2008-11-06 21:58:44
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
○NSns36.domaincontrol.com2015-06-20 → 2015-06-20 · 4 obs
○ 2008-11-06 21:58:44
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
○MXmail.4ucomputer.com2008-11-06 → 2008-11-06 · 3 obs
● 2008-11-06 21:58:44
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○MXmailstore1.secureserver.net2015-06-20 → 2016-04-09 · 5 obs
○ 2008-11-06 21:58:44
● 2015-06-20 07:49:34
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
● 2015-06-20 07:49:34
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
○MXsmtp.secureserver.net2015-06-20 → 2016-04-09 · 5 obs
○ 2008-11-06 21:58:44
● 2015-06-20 07:49:34
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
● 2015-06-20 07:49:34
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
○A116.126.87.62008-11-06 → 2008-11-06 · 3 obs
● 2008-11-06 21:58:44
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○ 2015-06-20 07:49:34
○ 2026-03-28 02:21:52
○A184.168.221.392015-10-30 → 2016-04-09 · 5 obs
○ 2015-06-20 07:49:34
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
● 2015-10-30 17:08:22
● 2016-04-09 16:27:40
○ 2016-12-09 01:17:46
○ 2026-03-28 02:21:52
○A184.168.221.702015-06-20 → 2015-06-20 · 4 obs
○ 2008-11-06 21:58:44
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
● 2015-06-20 07:49:34
○ 2015-10-30 17:08:22
○ 2026-03-28 02:21:52
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-06-24 → 2026-02-16 · 3 obs
● 2017-06-24 20:56:10
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
● 2026-02-16 03:55:50
○ 2026-03-28 02:21:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 84ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|