`jsw51.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a578^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:39bd^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.189^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.120^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harleigh.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:263a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harleigh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harleigh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harleigh.ns.cloudflare.com`
		A	108.162.194.58^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harleigh.ns.cloudflare.com`
		A	162.159.38.58^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harleigh.ns.cloudflare.com`
		A	172.64.34.58^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harleigh.ns.cloudflare.com`
NS	`zod.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zod.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zod.ns.cloudflare.com`
		A	108.162.193.250^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	172.64.33.250^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	173.245.59.250^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.57.189, 172.67.165.120
		IPv6	2606:4700:3035::ac43:a578, 2606:4700:3036::6815:39bd
SOA	`harleigh.ns.cloudflare.com`dns@cloudflare.com serial=2399091540

`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=1774544192

Same first word

jsw51.com

Similar names

15sjw.com

51sjw.com

51wsj.com

DNS History

14 records (6 active, 8 former)

○NSdns10.hichina.com2016-12-19 → 2017-11-23 · 4 obs

● 2016-12-19 05:57:52
● 2017-11-23 20:34:02
○ 2026-02-19 12:07:16
○ 2026-03-26 16:58:54

○NSdns9.hichina.com2016-12-19 → 2017-11-23 · 4 obs

● 2016-12-19 05:57:52
● 2017-11-23 20:34:02
○ 2026-02-19 12:07:16
○ 2026-03-26 16:58:54

●NSharleigh.ns.cloudflare.com2026-02-19 → 2026-03-26 · 3 obs

○ 2017-11-23 20:34:02
● 2026-02-19 12:07:16
● 2026-03-26 16:58:54

●NSzod.ns.cloudflare.com2026-02-19 → 2026-03-26 · 3 obs

○ 2017-11-23 20:34:02
● 2026-02-19 12:07:16
● 2026-03-26 16:58:54

●A104.21.57.1892026-02-19 → 2026-03-26 · 27 obs

○ 2017-11-23 20:34:02
● 2026-02-19 12:07:16
● 2026-02-20 09:05:06
○ 2026-02-21 10:52:30
○ 2026-02-25 23:10:52
● 2026-02-26 01:53:16
● 2026-02-26 05:08:52
○ 2026-02-26 05:56:38
○ 2026-02-26 07:35:04
● 2026-02-26 09:28:16
○ 2026-02-26 11:32:52
○ 2026-02-26 17:32:32
● 2026-02-26 20:59:00
○ 2026-02-27 00:46:32
● 2026-02-27 04:10:24
● 2026-02-27 11:51:14
○ 2026-02-27 14:06:58
● 2026-02-27 16:58:54
○ 2026-02-27 20:45:06
● 2026-02-28 12:15:04
● 2026-02-28 16:09:12
○ 2026-02-28 18:56:26
● 2026-03-01 05:10:20
○ 2026-03-01 07:32:44
○ 2026-03-06 09:07:04
● 2026-03-26 16:58:52
● 2026-03-26 16:58:54

○A110.173.196.32016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 05:57:52
○ 2017-11-23 20:34:02
○ 2026-03-26 16:58:54

●A172.67.165.1202026-02-19 → 2026-03-26 · 27 obs

○A188.114.96.02026-02-21 → 2026-03-06 · 25 obs

○ 2026-02-20 09:05:06
● 2026-02-21 10:52:30
● 2026-02-25 23:10:52
○ 2026-02-26 01:53:16
○ 2026-02-26 05:08:52
● 2026-02-26 05:56:38
● 2026-02-26 07:35:04
○ 2026-02-26 09:28:16
● 2026-02-26 11:32:52
● 2026-02-26 17:32:32
○ 2026-02-26 20:59:00
● 2026-02-27 00:46:32
○ 2026-02-27 04:10:24
○ 2026-02-27 11:51:14
● 2026-02-27 14:06:58
○ 2026-02-27 16:58:54
● 2026-02-27 20:45:06
○ 2026-02-28 12:15:04
○ 2026-02-28 16:09:12
● 2026-02-28 18:56:26
○ 2026-03-01 05:10:20
● 2026-03-01 07:32:44
● 2026-03-06 09:07:04
○ 2026-03-26 16:58:52
○ 2026-03-26 16:58:54

○A188.114.97.02026-02-21 → 2026-03-06 · 25 obs

●A2606:4700:3035::ac43:a5782026-02-19 → 2026-03-26 · 27 obs

●A2606:4700:3036::6815:39bd2026-02-19 → 2026-03-26 · 27 obs

○A2a06:98c1:3120::2026-02-21 → 2026-03-06 · 25 obs

○A2a06:98c1:3121::2026-02-21 → 2026-03-06 · 25 obs

○A47.89.58.1412017-11-23 → 2017-11-23 · 4 obs

○ 2016-12-19 05:57:52
● 2017-11-23 20:34:02
○ 2026-02-19 12:07:16
○ 2026-03-26 16:58:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jsw51.com	zod.ns.cloudflare.com, harleigh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.58

NS records: zod.ns.cloudflare.com, harleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsw51.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.57.189, 172.67.165.120`
AAAA	2	`2606:4700:3035::ac43:a578, 2606:4700:3036::6815:39bd`
NS	2	`harleigh.ns.cloudflare.com, zod.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harleigh.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jsw51.com maps to four IP numbers: 2606:4700:3035::ac43:a578, 2606:4700:3036::6815:39bd, 104.21.57.189 and 172.67.165.120.

other host names include ctlxzf.com, funnyplace.org, telihasmist.nousblogons.com, indoasian.org and www.emzshop.com; they share IP numbers with jsw51.com.

Name Servers

Two name servers harleigh.ns.cloudflare.com and zod.ns.cloudflare.com handle the delegation for jsw51.com.

jsw51.com shares the same name server setup as other domains, for instance hbtysz.com, ddofm.com, kqhotels.com, jsdtiles.com and yljmjx.com.

jsw51.com at least partially shares name servers with other domains, for instance iptools.biz, 4x4sport.com.ua, azfcu.org, cdnxiazai.com and wrunw.com.

These name servers are commonly used alongside malcolm.ns.cloudflare.com.

Six IP addresses per host:

harleigh.ns.cloudflare.com points to 2606:4700:50::a29f:263a, 2803:f800:50::6ca2:c23a, 2a06:98c1:50::ac40:223a, 108.162.194.58, 162.159.38.58 and 172.64.34.58; zod.ns.cloudflare.com points to 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250

jsw51.com - robtex.com

jsw51.com

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