`technologycourse.com`

DNSSEC	⚠️ Not signed
A	86.105.245.69^{🇳🇱 TRANSIP-AS86.105.244.0/22 TransIP BV Amsterdam, The Netherlands}
		PTR	`86-105-245-69.haip.transip.net`
NS	`ns1.eftydns.com` ⭐
		A	87.253.137.197^{🇳🇱 TRANSIP-AS87.253.128.0/19 TransIP BV Amsterdam, The Netherlands}
			PTR	`87-253-137-197.colo.transip.net`
NS	`ns2.eftydns.com`
		A	136.144.254.183^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`136-144-254-183.colo.transip.net`
SOA	`ns1.eftydns.com`hostmaster@technologycourse.com 2026-03-26 #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.net`nstld@verisign-grs.com serial=1774638747

Same first word

technologycourse.com

Similar names

sourcetechnology.net

sourcetechnology.com.au

technologysource.org

sourcetechnology.com

technologysource.com

DNS History

12 records (3 active, 9 former)

●NSns1.eftydns.com2020-01-26 → 2026-03-27 · 3 obs

○ 2017-03-22 06:36:48
● 2020-01-26 18:48:00
● 2026-03-27 19:42:24

○NSns1.fastpark.net2015-07-05 → 2017-03-22 · 4 obs

● 2015-07-05 22:44:40
● 2017-03-22 06:36:48
○ 2020-01-26 18:48:00
○ 2026-03-27 19:42:24

●NSns2.eftydns.com2020-01-26 → 2026-03-27 · 3 obs

○ 2017-03-22 06:36:48
● 2020-01-26 18:48:00
● 2026-03-27 19:42:24

○NSns2.fastpark.net2015-07-05 → 2017-03-22 · 4 obs

● 2015-07-05 22:44:40
● 2017-03-22 06:36:48
○ 2020-01-26 18:48:00
○ 2026-03-27 19:42:24

○MXmail.efty.com2020-01-26 → 2020-01-26 · 4 obs

○ 2017-03-22 06:36:48
● 2020-01-26 18:48:00
○ 2026-03-27 09:17:06
○ 2026-03-27 19:42:24

○MXmail.h-email.net2015-11-11 → 2017-03-22 · 4 obs

● 2015-11-11 19:32:58
● 2017-03-22 06:36:48
○ 2020-01-26 18:48:00
○ 2026-03-27 19:42:24

○A159.8.210.352020-01-26 → 2020-01-26 · 4 obs

○ 2017-03-22 06:36:48
● 2020-01-26 18:48:00
○ 2026-03-27 09:17:06
○ 2026-03-27 19:42:24

○A185.53.178.92015-11-11 → 2016-06-24 · 6 obs

○ 2015-07-05 22:44:40
● 2015-11-11 19:32:58
○ 2016-02-08 11:14:04
● 2016-06-24 11:20:08
○ 2017-03-22 06:36:48
○ 2026-03-27 19:42:24

○A185.53.179.62016-02-08 → 2016-02-08 · 4 obs

○ 2015-11-11 19:32:58
● 2016-02-08 11:14:04
○ 2016-06-24 11:20:08
○ 2026-03-27 19:42:24

○A185.53.179.82017-03-22 → 2017-03-22 · 4 obs

○ 2016-06-24 11:20:08
● 2017-03-22 06:36:48
○ 2020-01-26 18:48:00
○ 2026-03-27 19:42:24

○A216.8.179.252015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 22:44:40
○ 2015-11-11 19:32:58
○ 2026-03-27 19:42:24

●A86.105.245.692026-03-27 → 2026-03-27 · 3 obs

○ 2020-01-26 18:48:00
● 2026-03-27 09:17:06
● 2026-03-27 19:42:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
technologycourse.com	ns1.eftydns.com, ns2.eftydns.com	2 records

✅ Authoritative Response

Server:87.253.137.197

NS records: ns1.eftydns.com, ns2.eftydns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technologycourse.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`86.105.245.69`
NS	2	`ns1.eftydns.com, ns2.eftydns.com`
SOA	1	`ns1.eftydns.com hostmaster.technologycou`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.eftydns.com, ns2.eftydns.com)

Analysis

IP Addresses

technologycourse.com points to IP number 86.105.245.69.

For instance, other host names joindirect.com, social.digital, holaz.com, avdentist.net and sysroot.com share IP numbers with technologycourse.com.

Name Servers

technologycourse.com is delegated to two name servers: ns1.eftydns.com and ns2.eftydns.com.

technologycourse.com uses the same name server setup as other domains such as search4bets.com, dvboy.com, qimia.com, prvte.com and dardu.com.

Host names with one IP number:

ns1.eftydns.com points to: 87.253.137.197.

ns2.eftydns.com points to: 136.144.254.183.

technologycourse.com - robtex.com