`closedconcepts.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns33.domaincontrol.com` ⭐
		A	2603:5:21a1::11^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns33.domaincontrol.com`
		A	97.74.106.17^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns33.domaincontrol.com`
NS	`ns34.domaincontrol.com`
		A	2603:5:22a1::11^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns34.domaincontrol.com`
		A	173.201.74.17^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns34.domaincontrol.com`
SOA	`ns33.domaincontrol.com`dns@jomax.net 2026-04-30 #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=1778646136

WOT: SAFE (38/100)

Previously MX for

closedconcepts.com

Same first word

closedconcepts.com

DNS History

9 records (4 active, 5 former)

○NSns1.closedconcepts.com2015-06-08 → 2017-08-31 · 4 obs

● 2015-06-08 08:10:48
● 2017-08-31 00:57:54
○ 2026-04-04 18:09:32
○ 2026-05-13 04:37:22

○NSns2.closedconcepts.com2015-06-08 → 2017-08-31 · 4 obs

● 2015-06-08 08:10:48
● 2017-08-31 00:57:54
○ 2026-04-04 18:09:32
○ 2026-05-13 04:37:22

●NSns33.domaincontrol.com2026-04-04 → 2026-05-13 · 3 obs

○ 2017-08-31 00:57:54
● 2026-04-04 18:09:32
● 2026-05-13 04:37:22

●NSns34.domaincontrol.com2026-04-04 → 2026-05-13 · 3 obs

○ 2017-08-31 00:57:54
● 2026-04-04 18:09:32
● 2026-05-13 04:37:22

○MXclosedconcepts.com2015-06-08 → 2017-08-31 · 4 obs

● 2015-06-08 08:10:48
● 2017-08-31 00:57:54
○ 2026-04-04 18:09:32
○ 2026-05-13 04:37:22

●A15.197.225.1282026-04-04 → 2026-05-13 · 3 obs

○ 2017-08-31 00:57:54
● 2026-04-04 18:09:32
● 2026-05-13 04:37:22

○A216.172.165.102015-11-04 → 2017-08-31 · 8 obs

○ 2015-06-08 08:10:48
● 2015-11-04 02:41:50
● 2016-02-01 14:53:12
○ 2016-04-20 11:47:44
○ 2016-12-07 00:07:44
● 2017-08-31 00:57:54
○ 2026-04-04 18:09:32
○ 2026-05-13 04:37:22

○A216.172.165.112015-06-08 → 2016-12-07 · 7 obs

● 2015-06-08 08:10:48
○ 2015-11-04 02:41:50
○ 2016-02-01 14:53:12
● 2016-04-20 11:47:44
● 2016-12-07 00:07:44
○ 2017-08-31 00:57:54
○ 2026-05-13 04:37:22

●A3.33.251.1682026-04-04 → 2026-05-13 · 3 obs

○ 2017-08-31 00:57:54
● 2026-04-04 18:09:32
● 2026-05-13 04:37:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
closedconcepts.com	ns33.domaincontrol.com, ns34.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.17

NS records: ns33.domaincontrol.com, ns34.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for closedconcepts.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns33.domaincontrol.com, ns34.domaincontrol.com`
SOA	1	`ns33.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)

Analysis

IP Addresses

closedconcepts.com resolves to two IPs: 3.33.251.168 and 15.197.225.128.

other host names for instance vqo.org, zihayat.com, atpdv.com, motherson-ossia.com and kisairy.com share IP numbers with closedconcepts.com.

Name Servers

closedconcepts.com is delegated to two name servers: ns33.domaincontrol.com and ns34.domaincontrol.com.

closedconcepts.com shares the same name server setup as other domains, for example openbooks.com.au, healthybodyharmony.com, mymorc.com, detroitcitysoccerclub.net and beingadult.com.

closedconcepts.com at least partially shares its name servers with other domains, for instance kioobi.net.

Host names with two IP numbers:

ns33.domaincontrol.com points to 2603:5:21a1::11 and 97.74.106.17

ns34.domaincontrol.com points to 2603:5:22a1::11 and 173.201.74.17

closedconcepts.com - robtex.com