`51js.net`

DNSSEC	⚠️ Not signed
NS	`ben.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c167^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2167^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ben.ns.cloudflare.com`
		A	108.162.193.103^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	172.64.33.103^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	173.245.59.103^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
NS	`carla.ns.cloudflare.com`
		A	2606:4700:50::a29f:2656^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c256^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2256^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carla.ns.cloudflare.com`
		A	108.162.194.86^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carla.ns.cloudflare.com`
		A	162.159.38.86^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carla.ns.cloudflare.com`
		A	172.64.34.86^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carla.ns.cloudflare.com`
SOA	`ben.ns.cloudflare.com`dns@cloudflare.com serial=2402273960

`net`

	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=1777488101

Same first word

51js.com

51js.net

Similar names

sj51.net

sj15.com

51sj.net

51sj.com.cn

15sj.xyz

DNS History

3 records (2 active, 1 former)

●NSben.ns.cloudflare.com2026-04-07 → 2026-04-29 · 3 obs

○ 2017-03-23 14:26:04
● 2026-04-07 12:19:08
● 2026-04-29 18:43:14

●NScarla.ns.cloudflare.com2026-04-07 → 2026-04-29 · 3 obs

○ 2017-03-23 14:26:04
● 2026-04-07 12:19:08
● 2026-04-29 18:43:14

○NSdns.4cun.com2015-06-11 → 2017-03-23 · 4 obs

● 2015-06-11 07:26:16
● 2017-03-23 14:26:04
○ 2026-04-07 12:19:08
○ 2026-04-29 18:43:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	l.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
51js.net	ben.ns.cloudflare.com, carla.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.103

NS records: ben.ns.cloudflare.com, carla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51js.net (unsigned zone)

⏱️ Timing

Total: 855ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ben.ns.cloudflare.com, carla.ns.cloudflare.com`
SOA	1	`ben.ns.cloudflare.com dns.cloudflare.com`

Analysis

Name Servers

51js.net's delegation is to two name servers ben.ns.cloudflare.com and carla.ns.cloudflare.com.

51js.net shares the same name server configuration as other domains, such as 3mpoker138.com, bintanginovasiteknologi.com, zzaowbey.art, kisslp.com and nanoshield.pro.

51js.net at least partially shares its name servers with other domains, for instance kga.net, pavorinthelus.com, thephonelab.nl, sounddevices.info and sikeao.com.

these name servers are commonly used together with indie.ns.cloudflare.com, matias.ns.cloudflare.com, miguel.ns.cloudflare.com and evan.ns.cloudflare.com.

Host names with six IP numbers:

ben.ns.cloudflare.com points to: 2606:4700:58::adf5:3b67, 2803:f800:50::6ca2:c167, 2a06:98c1:50::ac40:2167, 108.162.193.103, 172.64.33.103 and 173.245.59.103.

carla.ns.cloudflare.com points to: 2606:4700:50::a29f:2656, 2803:f800:50::6ca2:c256, 2a06:98c1:50::ac40:2256, 108.162.194.86, 162.159.38.86 and 172.64.34.86.

51js.net - robtex.com

51js.net

net