tek4.com - dns.ninja

`tek4.com`

DNSSEC	⚠️ Not signed
NS	`ns1.he.net` ⭐
		A	2001:470:100::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
		A	216.218.130.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
NS	`ns2.he.net`
		A	2001:470:200::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
		A	216.218.131.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
NS	`ns3.he.net`
		A	2001:470:300::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
		A	216.218.132.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
NS	`ns4.he.net`
		A	2001:470:400::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
NS	`ns5.he.net`
		A	2001:470:500::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
		A	216.66.80.18^{🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch include:aspmx.googlemail.com -all`
TXT	`protonmail-verification=eb1450cbb499e6273f34c9901a46e87dfccee299`
SOA	`ns1.he.net`hostmaster@he.net 2026-08-04 #0

`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=1785976839

Same first word

tek4.biz

tek4.net

tek4.co.uk

tek4.org

tek4.com

tek4.de

tek4.vn

tek4.me

Similar names

4tek.com

4tek.de

ek4t.net

4tek.info

4tek.eu

k4te.com

4tek.com.tr

4tek.ai

k4et.df.gov.br

4tek.cz

ket4.us

ek4t.org

4tek.it

4tek.vn

4tek.net

ket4.com

4tek.biz

DNS History

20 records (7 active, 13 former)

●NSns1.he.net2017-04-21 → 2026-08-06 · 3 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
● 2026-08-06 00:56:42

●NSns2.he.net2017-04-21 → 2026-08-06 · 3 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
● 2026-08-06 00:56:42

●NSns3.he.net2017-04-21 → 2026-08-06 · 3 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
● 2026-08-06 00:56:42

●NSns4.he.net2017-04-21 → 2026-08-06 · 3 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
● 2026-08-06 00:56:42

○NSns43.domaincontrol.com2008-03-20 → 2016-08-30 · 4 obs

● 2008-03-20 06:20:40
● 2016-08-30 13:42:20
○ 2017-04-21 06:27:04
○ 2026-08-06 00:56:42

○NSns44.domaincontrol.com2008-03-20 → 2016-08-30 · 4 obs

● 2008-03-20 06:20:40
● 2016-08-30 13:42:20
○ 2017-04-21 06:27:04
○ 2026-08-06 00:56:42

●NSns5.he.net2017-04-21 → 2026-08-06 · 3 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
● 2026-08-06 00:56:42

○MXalt1.aspmx.l.google.com2015-08-11 → 2017-04-21 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○MXalt2.aspmx.l.google.com2015-08-11 → 2017-04-21 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○MXaspmx.l.google.com2015-08-11 → 2017-04-21 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○MXaspmx2.googlemail.com2015-08-11 → 2016-08-30 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2016-08-30 13:42:20
○ 2017-04-21 06:27:04
○ 2026-08-06 00:56:42

○MXaspmx3.googlemail.com2015-08-11 → 2016-08-30 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2016-08-30 13:42:20
○ 2017-04-21 06:27:04
○ 2026-08-06 00:56:42

○MXaspmx4.googlemail.com2017-04-21 → 2017-04-21 · 4 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○MXaspmx5.googlemail.com2017-04-21 → 2017-04-21 · 4 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

●MXmail.protonmail.ch2026-02-24 → 2026-08-06 · 3 obs

○ 2017-04-21 06:27:04
● 2026-02-24 08:42:56
● 2026-08-06 00:56:42

●MXmailsec.protonmail.ch2026-02-24 → 2026-08-06 · 3 obs

○ 2017-04-21 06:27:04
● 2026-02-24 08:42:56
● 2026-08-06 00:56:42

○MXsmtp.tek4.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 06:20:40
○ 2015-08-11 11:41:16
○ 2026-08-06 00:56:42

○A2001:470:1:c5::1102015-08-11 → 2017-04-21 · 5 obs

○ 2008-03-20 06:20:40
● 2015-08-11 11:41:16
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○A65.19.133.822017-04-21 → 2017-04-21 · 4 obs

○ 2016-08-30 13:42:20
● 2017-04-21 06:27:04
○ 2026-02-24 08:42:56
○ 2026-08-06 00:56:42

○A65.19.133.832008-03-20 → 2016-08-30 · 4 obs

● 2008-03-20 06:20:40
● 2016-08-30 13:42:20
○ 2017-04-21 06:27:04
○ 2026-08-06 00:56:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tek4.com	ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net...	-

✅ Authoritative Response

Server:216.218.132.2

NS records: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tek4.com (unsigned zone)

⏱️ Timing

Total: 595ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	5	`ns3.he.net, ns4.he.net...`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`v=spf1 include:_spf.protonmail.ch includ, protonmail-verification=eb1450cbb499e627`
SOA	1	`ns1.he.net hostmaster.he.net`

Analysis

Name Servers

The authoritative name servers for tek4.com are ns1.he.net, ns2.he.net, ns3.he.net and two others.

At least some of tek4.com's name servers are shared with other domains, for example bicedu.com, ese.ipcb.pt, 203.160.66.in-addr.arpa and two more.

These name servers tend to be deployed in combination with the name servers ns4.he.net and ns5.he.net.

Hosts with two IP numbers each:

ns1.he.net has two IP addresses: 216.218.130.2 and 2001:470:100::2.

ns2.he.net has two IP addresses: 216.218.131.2 and 2001:470:200::2.

ns3.he.net has two IP addresses: 216.218.132.2 and 2001:470:300::2.

ns4.he.net has two IP addresses: 216.66.1.2 and 2001:470:400::2.

ns5.he.net has two IP addresses: 216.66.80.18 and 2001:470:500::2.

Mail Servers

The MX records for tek4.com point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

tek4.com has the same mail server arrangement as a number of other domains, for example utp.to, itandart.com, aktuar.com and two more.

tek4.com shares at least some of its mail servers with other domains — for example mr(0x706f726e)geek.com, picot.info, meadowden.co.uk and two more.

The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.