computer4u.com - dns.ninja

`computer4u.com`

DNSSEC	⚠️ Not signed
A	204.74.99.100^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
		PTR	`crs.ultradns.net`
NS	`pdns1.ultradns.net` ⭐
		A	2001:502:f3ff::1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`pdns2.ultradns.net`
		A	2610:a1:1014::1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns2.ultradns.net`
		A	204.74.109.1^{🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar}
			PTR	`pdns2.ultradns.net`
NS	`pdns3.ultradns.org`
		A	2610:a1:1015::1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns3.ultradns.org`
		A	199.7.68.1^{🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar}
			PTR	`pdns3.ultradns.org`
NS	`pdns4.ultradns.org`
		A	2001:502:4612::1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns4.ultradns.org`
		A	199.7.69.1^{🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar}
			PTR	`pdns4.ultradns.org`
NS	`pdns5.ultradns.info` ⚠️ Not in parent delegation
		A	2610:a1:1016::1^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns5.ultradns.info`
		A	204.74.114.1^{🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar}
			PTR	`pdns5.ultradns.info`
NS	`pdns6.ultradns.co.uk` ⚠️ Not in parent delegation
		A	2610:a1:1017::1^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns6.ultradns.co.uk`
		A	204.74.115.1^{🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar}
			PTR	`pdns6.ultradns.co.uk`
MX	`mx00.mail.com` ⭐
		A	74.208.5.20^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.mail.com`
MX	`mx01.mail.com` ⭐
		A	74.208.5.22^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.mail.com`
TXT	`v=spf1 redirect=_spf.mail.com`
SOA	`pdns1.ultradns.net`ggorman@easylink.com 2013-01-30 #21

`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.net`nstld@verisign-grs.com serial=1782656155

WOT: SAFE (2/100)

Subdomains

www.computer4u.com

Same first word

computer4u.co.il

computer4u.eu

computer4u.ir

computer4u.cz

computer4u.de

computer4u.ro

computer4u.koeln

computer4u.com.br

computer4u.com

Similar names

4ucomputer.de

DNS History

20 records (9 active, 11 former)

○NSdns01.gpn.register.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○NSdns02.gpn.register.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○NSdns03.gpn.register.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○NSdns04.gpn.register.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○NSdns05.gpn.register.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

●NSpdns1.ultradns.net2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

●NSpdns2.ultradns.net2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

●NSpdns3.ultradns.org2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

●NSpdns4.ultradns.org2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

●NSpdns5.ultradns.info2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

●NSpdns6.ultradns.co.uk2015-07-13 → 2026-06-28 · 3 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2026-06-28 14:16:28

○MXmx00.gmx.com2015-07-13 → 2016-02-06 · 5 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2016-02-06 10:53:36
○ 2016-04-22 06:28:52
○ 2026-06-28 14:16:28

●MXmx00.mail.com2016-04-22 → 2026-06-28 · 3 obs

○ 2016-02-06 10:53:36
● 2016-04-22 06:28:52
● 2026-06-28 14:16:28

○MXmx01.gmx.com2015-07-13 → 2016-02-06 · 5 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2016-02-06 10:53:36
○ 2016-04-22 06:28:52
○ 2026-06-28 14:16:28

●MXmx01.mail.com2016-04-22 → 2026-06-28 · 3 obs

○ 2016-02-06 10:53:36
● 2016-04-22 06:28:52
● 2026-06-28 14:16:28

○MXob-mail-com-bk.mr.outblaze.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○MXob-mail-com.mr.outblaze.com2007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

●A204.74.99.1002026-02-22 → 2026-06-28 · 3 obs

○ 2017-09-15 14:56:34
● 2026-02-22 22:58:04
● 2026-06-28 14:16:28

○A208.254.26.1392007-10-27 → 2007-10-27 · 3 obs

● 2007-10-27 14:56:00
○ 2015-07-13 08:13:38
○ 2026-06-28 14:16:28

○A50.31.210.852015-07-13 → 2017-09-15 · 5 obs

○ 2007-10-27 14:56:00
● 2015-07-13 08:13:38
● 2017-09-15 14:56:34
○ 2026-02-22 22:58:04
○ 2026-06-28 14:16:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
computer4u.com	pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net	-

✅ Authoritative Response

Server:204.74.109.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computer4u.com (unsigned zone)

⏱️ Timing

Total: 191ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
MX	2	`mx00.mail.com (pri: 10), mx01.mail.com (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.mail.com`
SOA	1	`pdns1.ultradns.net ggorman.easylink.com`

Analysis

Hierarchy

www.computer4u.com is delegated beneath computer4u.com.

IP Addresses

computer4u.com has exactly one IP address — 204.74.99.100.

videovirgen(0x736578).soon.com, expiedia.in, epediaeliteplus.com plus two other host names have IP numbers in common with computer4u.com.

Name Servers

computer4u.com carries NS records listing 6 name servers — pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 others.

There is at least partial name server overlap between computer4u.com and other domains — hotelclub.sg, rockdetente.ca, bbhub.io and two more among them.

These name servers regularly appear alongside pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and 6 other name servers in NS record sets.

Host names pointing to two IP addresses:

The A records for pdns5.ultradns.info return 204.74.114.1 and 2610:a1:1016::1.

The A records for pdns1.ultradns.net return 204.74.108.1 and 2001:502:f3ff::1.

The A records for pdns2.ultradns.net return 204.74.109.1 and 2610:a1:1014::1.

The A records for pdns3.ultradns.org return 199.7.68.1 and 2610:a1:1015::1.

The A records for pdns4.ultradns.org return 199.7.69.1 and 2001:502:4612::1.

The A records for pdns6.ultradns.co.uk return 204.74.115.1 and 2610:a1:1017::1.

Mail Servers

computer4u.com uses two mail servers, mx00.mail.com and mx01.mail.com.

The mail server setup of computer4u.com matches that of other domains such as chinamail.com, rescueteam.com, whoever.com and two others.

mx00.mail.com → 74.208.5.20 and mx01.mail.com → 74.208.5.22: one IP number per host name.