`njstu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:5433^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ba92^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.51^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.146^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aleena.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2651^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c251^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aleena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2251^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aleena.ns.cloudflare.com`
		A	108.162.194.81^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	162.159.38.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	172.64.34.81^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
NS	`ignacio.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c352^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ignacio.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2352^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ignacio.ns.cloudflare.com`
		A	108.162.195.82^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	162.159.44.82^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	172.64.35.82^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.84.51, 172.67.186.146
		IPv6	2606:4700:3036::6815:5433, 2606:4700:3037::ac43:ba92
SOA	`aleena.ns.cloudflare.com`dns@cloudflare.com serial=2400002934

`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=1774764997

Subdomains

www.njstu.com

Same first word

njstu.net

njstu.cn

njstu.com

Similar names

nutjs.com

junts.github.io

tnjus.com

utsnj.com

justn.com

junts.info

jsnut.com

junts.com

sjtnu.github.io

junst.com

justn.info

jtuns.net

stjun.com

njust.com

tjsun.net

junts.net

jsunt.com

jtsun.com

junst.ru

junts.cat

junts.com.br

justn.org

justn.co

tjuns.pl

njuts.com

njust.edu.cn

jnuts.com

tjsun.com

suntj.com

sunjt.shop

sunjt.com

DNS History

14 records (6 active, 8 former)

●NSaleena.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

●NSignacio.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

○NSpdns09.domaincontrol.com2018-11-20 → 2018-11-20 · 3 obs

● 2018-11-20 01:33:58
○ 2026-03-27 06:50:34
○ 2026-03-29 06:32:44

○NSpdns10.domaincontrol.com2018-11-20 → 2018-11-20 · 3 obs

● 2018-11-20 01:33:58
○ 2026-03-27 06:50:34
○ 2026-03-29 06:32:44

○MXmail.skrimple.com2015-06-22 → 2016-06-19 · 4 obs

● 2015-06-22 18:50:48
● 2016-06-19 04:54:58
○ 2018-11-20 01:33:58
○ 2026-03-29 06:32:44

●A104.21.84.512026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

○A162.218.54.422015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 18:50:48
○ 2015-11-13 06:58:48
○ 2026-03-29 06:32:44

●A172.67.186.1462026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

○A184.105.178.892016-06-19 → 2016-06-19 · 4 obs

○ 2016-02-09 06:36:44
● 2016-06-19 04:54:58
○ 2018-11-20 01:33:58
○ 2026-03-29 06:32:44

○A198.12.15.2442015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 18:50:48
○ 2015-11-13 06:58:48
○ 2026-03-29 06:32:44

○A23.230.40.2152018-11-20 → 2018-11-20 · 4 obs

○ 2016-06-19 04:54:58
● 2018-11-20 01:33:58
○ 2026-03-27 06:50:34
○ 2026-03-29 06:32:44

●A2606:4700:3036::6815:54332026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

●A2606:4700:3037::ac43:ba922026-03-27 → 2026-03-29 · 3 obs

○ 2018-11-20 01:33:58
● 2026-03-27 06:50:34
● 2026-03-29 06:32:44

○A65.19.157.2352015-11-13 → 2016-02-09 · 5 obs

○ 2015-06-22 18:50:48
● 2015-11-13 06:58:48
● 2016-02-09 06:36:44
○ 2016-06-19 04:54:58
○ 2026-03-29 06:32:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
njstu.com	aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.81

NS records: aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for njstu.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.84.51, 172.67.186.146`
AAAA	2	`2606:4700:3037::ac43:ba92, 2606:4700:3036::6815:5433`
NS	2	`aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aleena.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (aleena.ns.cloudflare.com, aleena.ns.cloudflare.com, aleena.ns.cloudflare.com...)

Analysis

Hierarchy

njstu.com is the parent of www.njstu.com.

IP Addresses

njstu.com resolves to four IP numbers: 2606:4700:3036::6815:5433, 2606:4700:3037::ac43:ba92, 104.21.84.51 and 172.67.186.146.

other host names for instance ffmovie.net, xvision.app, kuzhushou.com, vanardi.com and betleh.net share IP numbers with njstu.com.

Name Servers

njstu.com is delegated to two name servers: aleena.ns.cloudflare.com and ignacio.ns.cloudflare.com.

njstu.com shares the same name server setup as other domains, for example boostron.co, naturalcandlewax.com, ieorkjs.com, us51buy.com and lztxsd.com.

njstu.com at least partially shares name servers with other domains, for instance dfclad.com, ggg948.com, cateringnewcastle.com, harko.fr and abbrevi8.it.

These name servers are commonly used with abdullah.ns.cloudflare.com, kelly.ns.cloudflare.com and christian.ns.cloudflare.com.

Host names with six IP numbers:

aleena.ns.cloudflare.com points to: 2606:4700:50::a29f:2651, 2803:f800:50::6ca2:c251, 2a06:98c1:50::ac40:2251, 108.162.194.81, 162.159.38.81 and 172.64.34.81; ignacio.ns.cloudflare.com points to: 2606:4700:58::a29f:2c52, 2803:f800:50::6ca2:c352, 2a06:98c1:50::ac40:2352, 108.162.195.82, 162.159.44.82 and 172.64.35.82.

njstu.com - robtex.com

njstu.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`njstu.com`

`com`