`gonggansystem.com`

DNSSEC	⚠️ Not signed
A	13.226.238.35^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
		PTR	`server-13-226-238-35.iad61.r.cloudfront.net`
A	13.226.238.49^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.74^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.91^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
NS	`bns1.hostcocoa.com` ⭐
		A	205.251.192.254^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-254.awsdns-31.com`
NS	`bns2.hostcocoa.com`
		A	205.251.194.231^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-743.awsdns-28.net`
NS	`bns3.hostcocoa.com`
		A	205.251.196.209^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1233.awsdns-26.org`
NS	`bns4.hostcocoa.com`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
SOA	`bns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=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=1771291435

Same first word

gonggansystem.com

DNS History

18 records (8 active, 10 former)

●NSbns1.hostcocoa.com2018-10-24 → 2026-03-21 · 2 obs

● 2018-10-24 10:56:18
● 2026-03-21 09:54:56

●NSbns2.hostcocoa.com2018-10-24 → 2026-03-21 · 2 obs

● 2018-10-24 10:56:18
● 2026-03-21 09:54:56

●NSbns3.hostcocoa.com2018-10-24 → 2026-03-21 · 2 obs

● 2018-10-24 10:56:18
● 2026-03-21 09:54:56

●NSbns4.hostcocoa.com2018-10-24 → 2026-03-21 · 2 obs

● 2018-10-24 10:56:18
● 2026-03-21 09:54:56

○A13.124.154.672018-10-24 → 2018-10-24 · 3 obs

● 2018-10-24 10:56:18
○ 2026-03-19 18:33:20
○ 2026-03-21 09:54:56

○A13.209.226.92018-10-24 → 2018-10-24 · 3 obs

● 2018-10-24 10:56:18
○ 2026-03-19 18:33:20
○ 2026-03-21 09:54:56

●A13.226.238.352026-03-19 → 2026-03-21 · 9 obs

○ 2018-10-24 10:56:18
● 2026-03-19 18:33:20
● 2026-03-20 00:13:58
○ 2026-03-20 02:52:00
○ 2026-03-21 02:15:26
● 2026-03-21 04:10:36
○ 2026-03-21 06:43:44
● 2026-03-21 09:54:52
● 2026-03-21 09:54:56

●A13.226.238.492026-03-19 → 2026-03-21 · 9 obs

●A13.226.238.742026-03-19 → 2026-03-21 · 9 obs

●A13.226.238.912026-03-19 → 2026-03-21 · 9 obs

○A18.154.84.102026-03-20 → 2026-03-21 · 9 obs

○ 2026-03-20 00:13:58
● 2026-03-20 02:52:00
○ 2026-03-20 08:42:50
○ 2026-03-20 10:45:56
● 2026-03-21 02:15:26
○ 2026-03-21 04:10:36
● 2026-03-21 06:43:44
○ 2026-03-21 09:54:52
○ 2026-03-21 09:54:56

○A18.154.84.702026-03-20 → 2026-03-21 · 9 obs

○A18.154.84.872026-03-20 → 2026-03-21 · 9 obs

○A18.154.84.892026-03-20 → 2026-03-21 · 9 obs

○A99.84.215.1202026-03-20 → 2026-03-20 · 5 obs

○ 2026-03-20 02:52:00
● 2026-03-20 08:42:50
● 2026-03-20 10:45:56
○ 2026-03-21 02:15:26
○ 2026-03-21 09:54:56

○A99.84.215.32026-03-20 → 2026-03-20 · 5 obs

○ 2026-03-20 02:52:00
● 2026-03-20 08:42:50
● 2026-03-20 10:45:56
○ 2026-03-21 02:15:26
○ 2026-03-21 09:54:56

○A99.84.215.412026-03-20 → 2026-03-20 · 5 obs

○ 2026-03-20 02:52:00
● 2026-03-20 08:42:50
● 2026-03-20 10:45:56
○ 2026-03-21 02:15:26
○ 2026-03-21 09:54:56

○A99.84.215.822026-03-20 → 2026-03-20 · 5 obs

○ 2026-03-20 02:52:00
● 2026-03-20 08:42:50
● 2026-03-20 10:45:56
○ 2026-03-21 02:15:26
○ 2026-03-21 09:54:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
gonggansystem.com	bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com	4 records

✅ Authoritative Response

Server: 205.251.192.254

NS records: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gonggansystem.com (unsigned zone)

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.238.74, 13.226.238.91...`
NS	4	`bns1.hostcocoa.com, bns2.hostcocoa.com...`
SOA	1	`bns1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com...)

Analysis

IP Addresses

gonggansystem.com points to four IP numbers: 13.226.238.35, 13.226.238.49, 13.226.238.74 and 13.226.238.91.

Other host names, for instance www.jebs.kr, admin.dev.clinicdoc.jp, www.simplejavamail.org, bigbehavior.com and www.literacyshedplus.com share IP numbers with gonggansystem.com.

Name Servers

gonggansystem.com is delegated to four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.

gonggansystem.com at least partially shares its name servers with other domains, for instance 214spacedesign.com, yegreenart.com, canyoudrive.kr, daedlbo.net and seedntree.co.kr.

Host names with one IP number: bns1.hostcocoa.com points to 205.251.192.254; bns2.hostcocoa.com points to 205.251.194.231; bns3.hostcocoa.com points to 205.251.196.209; bns4.hostcocoa.com points to 205.251.198.107.

gonggansystem.com - robtex.com