tech4.com - dns.ninja

`tech4.com`

DNSSEC	⚠️ Not signed
A	198.71.233.109^{🇺🇸 AS398787198.71.233.0/24 MWP}
		PTR	`109.233.71.198.host.secureserver.net`
NS	`ns15.domaincontrol.com` ⭐
		A	2603:5:21b0::8^{🇺🇸 GODADDY-DNS2603:5:21b0::/44}
			PTR	`ns15.domaincontrol.com`
		A	97.74.107.8^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns15.domaincontrol.com`
NS	`mail.tech4.com` ⚠️ Not in parent delegation
NS	`ns16.domaincontrol.com`
		A	2603:5:22b0::8^{🇺🇸 GODADDY-DNS2603:5:22b0::/44}
			PTR	`ns16.domaincontrol.com`
		A	173.201.75.8^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns16.domaincontrol.com`
MX	`tech4-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT
TXT	`ca3-c15a0604df70481abddee703588b3e5f`
TXT	`v=verifydomain MS=5501246`
SOA	`ns15.domaincontrol.com`dns@jomax.net 2026-06-12 #7

`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=1782090095

Subdomains

www.tech4.com

Same first word

tech4.no

tech4.be

tech4.nyc

tech4.me

tech4.org

tech4.business

tech4.net

tech4.ir

tech4.ru

tech4.net.au

tech4.tv

tech4.info

tech4.com

tech4.biz

tech4.nl

tech4.pl

tech4.club

tech4.live

tech4.marketing

tech4.ca

tech4.de

tech4.co.uk

tech4.eu

tech4.pro

Similar names

4tech.pl

tec4h.com

4tech.fr

4tech.co.kr

4tech.com.mx

4tech.dk

4tech.cz

4tech.ca

4tech.com

4tech.be

ethc4.com

4thec.com

4tech.ch

4tech.co.tz

4tech.co.za

4tech.cn

the4c.co.uk

4tech.mobi

4tech.eu

4tech.no

the4c.com

4tech.im

4tech.ro

4tech.com.tr

4tech.info

4tech.srv.br

4tech.nl

4tech.gr

4tech.com.pl

4tech.vn

4tech.com.au

DNS History

10 records (5 active, 5 former)

●NSmail.tech4.com2026-02-23 → 2026-06-22 · 3 obs

○ 2015-07-21 02:43:40
● 2026-02-23 10:42:32
● 2026-06-22 01:11:22

●NSns15.domaincontrol.com2015-07-21 → 2026-06-22 · 2 obs

● 2015-07-21 02:43:40
● 2026-06-22 01:11:22

●NSns16.domaincontrol.com2015-07-21 → 2026-06-22 · 2 obs

● 2015-07-21 02:43:40
● 2026-06-22 01:11:22

●MXtech4-com.mail.protection.outlook.com2026-02-23 → 2026-06-22 · 3 obs

○ 2020-01-31 12:23:06
● 2026-02-23 10:42:32
● 2026-06-22 01:11:22

○MXtech4.com.1.0001.arsmtp.com2015-07-21 → 2020-01-31 · 4 obs

● 2015-07-21 02:43:40
● 2020-01-31 12:23:06
○ 2026-02-23 10:42:32
○ 2026-06-22 01:11:22

○MXtech4.com.2.0001.arsmtp.com2015-07-21 → 2020-01-31 · 4 obs

● 2015-07-21 02:43:40
● 2020-01-31 12:23:06
○ 2026-02-23 10:42:32
○ 2026-06-22 01:11:22

○A166.62.111.642016-05-18 → 2016-12-10 · 5 obs

○ 2016-04-04 05:08:20
● 2016-05-18 17:42:56
● 2016-12-10 19:53:30
○ 2020-01-31 12:23:06
○ 2026-06-22 01:11:22

○A173.201.216.172015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 02:43:40
○ 2015-09-12 10:44:04
○ 2026-06-22 01:11:22

○A184.168.47.2252015-09-12 → 2016-04-04 · 5 obs

○ 2015-07-21 02:43:40
● 2015-09-12 10:44:04
● 2016-04-04 05:08:20
○ 2016-05-18 17:42:56
○ 2026-06-22 01:11:22

●A198.71.233.1092020-01-31 → 2026-06-22 · 3 obs

○ 2016-12-10 19:53:30
● 2020-01-31 12:23:06
● 2026-06-22 01:11:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tech4.com	ns15.domaincontrol.com, ns16.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.75.8

NS records: ns15.domaincontrol.com, ns16.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tech4.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.71.233.109`
NS	3	`mail.tech4.com, ns15.domaincontrol.com...`
MX	1	`tech4-com.mail.protection.outlook.com (p`
TXT	4	`v=spf1 include:spf.protection.outlook.co, ...`
SOA	1	`ns15.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns15.domaincontrol.com, ns15.domaincontrol.com, ns16.domaincontrol.com...)

Analysis

Hierarchy

tech4.com serves as the parent of www.tech4.com.

IP Addresses

tech4.com has exactly one IP address — 198.71.233.109.

ohioofficeworks.com, homeschoolersinservice.com, solanoplumber.com plus two other host names have IP numbers in common with tech4.com.

Name Servers

tech4.com is delegated to three name servers: ns15.domaincontrol.com, ns16.domaincontrol.com and mail.tech4.com.

tech4.com has at least partial name server overlap with other domains, such as isqmexico.com, qualitalia.biz, festvent.com and two others.

ns15.domaincontrol.com and ns16.domaincontrol.com each resolve to two IP addresses: ns15.domaincontrol.com points to 97.74.107.8 and 2603:5:21b0::8, while ns16.domaincontrol.com points to 173.201.75.8 and 2603:5:22b0::8.

Mail Servers

tech4.com uses one mail server — tech4-com.mail.protection.outlook.com.

tech4-com.mail.protection.outlook.com has 8 IP addresses: 52.101.9.17, 52.101.11.13, 52.101.40.6 plus 5 more.