`cygsw.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8557^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:56d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.109^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.87^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`rayden.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayden.ns.cloudflare.com`
		A	108.162.195.163^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	162.159.44.163^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	172.64.35.163^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.109, 172.67.133.87
		IPv6 hints	2606:4700:3032::ac43:8557, 2606:4700:3037::6815:56d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2403677315

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034778310

Subdomains

dc-2181acb4.cygsw.cn

www.cygsw.cn

Same first word

cygsw.cn

cygsw.com

Similar names

gyswc.com

gsycw.com

ysgcw.cn

gyswc.co.kr

scgwy.com

gyscw.com

sygwc.com

gwscy.com

cwgsy.net

gycsw.cn

ygscw.com

yscgw.cn

wgysc.com

wyscg.com

wysgc.com

csgyw.cn

sycwg.com

scgwy.org

gcyws.com

ysgcw.com

ycwgs.com

csygw.cn

gcysw.com

ywcsg.com

sgcyw.com

scgwy.cn

sycgw.com

gycsw.com

DNS History

22 records (6 active, 16 former)

○NSdns10.hichina.com2015-07-14 → 2017-02-05 · 7 obs

● 2015-07-14 06:29:32
● 2015-11-11 22:30:04
○ 2016-02-11 01:02:32
● 2016-06-18 14:19:46
● 2017-02-05 14:21:48
○ 2026-04-07 07:13:16
○ 2026-05-11 10:48:08

○NSdns9.hichina.com2015-07-14 → 2017-02-05 · 7 obs

● 2015-07-14 06:29:32
● 2015-11-11 22:30:04
○ 2016-02-11 01:02:32
● 2016-06-18 14:19:46
● 2017-02-05 14:21:48
○ 2026-04-07 07:13:16
○ 2026-05-11 10:48:08

●NSdorthy.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
● 2026-05-11 10:48:08

○NSn173.ns.yunjiasu.com2015-07-14 → 2016-02-11 · 5 obs

● 2015-07-14 06:29:32
○ 2015-11-11 22:30:04
● 2016-02-11 01:02:32
○ 2016-06-18 14:19:46
○ 2026-05-11 10:48:08

○NSn3175.ns.yunjiasu.com2016-02-11 → 2016-02-11 · 4 obs

○ 2015-11-11 22:30:04
● 2016-02-11 01:02:32
○ 2016-06-18 14:19:46
○ 2026-05-11 10:48:08

●NSrayden.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
● 2026-05-11 10:48:08

●A104.21.5.1092026-04-07 → 2026-05-11 · 7 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
○ 2026-04-09 09:33:30
● 2026-04-10 00:40:36
○ 2026-04-16 12:56:26
● 2026-04-25 10:55:58
● 2026-05-11 10:48:08

○A121.199.250.2272017-02-05 → 2017-02-05 · 4 obs

○ 2016-06-18 14:19:46
● 2017-02-05 14:21:48
○ 2026-04-07 07:13:16
○ 2026-05-11 10:48:08

○A162.159.210.822016-02-11 → 2016-02-11 · 4 obs

○ 2015-11-11 22:30:04
● 2016-02-11 01:02:32
○ 2016-06-18 14:19:46
○ 2026-05-11 10:48:08

○A162.159.210.872015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 06:29:32
○ 2017-02-05 14:21:48
○ 2026-05-11 10:48:08

○A162.159.211.822016-02-11 → 2016-02-11 · 4 obs

○ 2015-11-11 22:30:04
● 2016-02-11 01:02:32
○ 2016-06-18 14:19:46
○ 2026-05-11 10:48:08

○A162.159.211.872015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 06:29:32
○ 2017-02-05 14:21:48
○ 2026-05-11 10:48:08

●A172.67.133.872026-04-07 → 2026-05-11 · 7 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
○ 2026-04-09 09:33:30
● 2026-04-10 00:40:36
○ 2026-04-16 12:56:26
● 2026-04-25 10:55:58
● 2026-05-11 10:48:08

○A188.114.96.02026-04-09 → 2026-04-16 · 6 obs

○ 2026-04-07 07:13:16
● 2026-04-09 09:33:30
○ 2026-04-10 00:40:36
● 2026-04-16 12:56:26
○ 2026-04-25 10:55:58
○ 2026-05-11 10:48:08

○A188.114.97.02026-04-09 → 2026-04-16 · 6 obs

○ 2026-04-07 07:13:16
● 2026-04-09 09:33:30
○ 2026-04-10 00:40:36
● 2026-04-16 12:56:26
○ 2026-04-25 10:55:58
○ 2026-05-11 10:48:08

●A2606:4700:3032::ac43:85572026-04-07 → 2026-05-11 · 7 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
○ 2026-04-09 09:33:30
● 2026-04-10 00:40:36
○ 2026-04-16 12:56:26
● 2026-04-25 10:55:58
● 2026-05-11 10:48:08

●A2606:4700:3037::6815:56d2026-04-07 → 2026-05-11 · 7 obs

○ 2017-02-05 14:21:48
● 2026-04-07 07:13:16
○ 2026-04-09 09:33:30
● 2026-04-10 00:40:36
○ 2026-04-16 12:56:26
● 2026-04-25 10:55:58
● 2026-05-11 10:48:08

○A2a06:98c1:3120::2026-04-09 → 2026-04-16 · 6 obs

○ 2026-04-07 07:13:16
● 2026-04-09 09:33:30
○ 2026-04-10 00:40:36
● 2026-04-16 12:56:26
○ 2026-04-25 10:55:58
○ 2026-05-11 10:48:08

○A2a06:98c1:3121::2026-04-09 → 2026-04-16 · 6 obs

○ 2026-04-07 07:13:16
● 2026-04-09 09:33:30
○ 2026-04-10 00:40:36
● 2026-04-16 12:56:26
○ 2026-04-25 10:55:58
○ 2026-05-11 10:48:08

○A42.120.217.1732016-06-18 → 2016-06-18 · 4 obs

○ 2016-02-11 01:02:32
● 2016-06-18 14:19:46
○ 2017-02-05 14:21:48
○ 2026-05-11 10:48:08

○A43.228.243.1732015-07-14 → 2015-11-11 · 4 obs

● 2015-07-14 06:29:32
● 2015-11-11 22:30:04
○ 2016-02-11 01:02:32
○ 2026-05-11 10:48:08

○CNAMEew-8qb7h84p.aliapp.com2016-06-18 → 2017-02-05 · 4 obs

● 2016-06-18 14:19:46
● 2017-02-05 14:21:48
○ 2026-04-07 07:13:16
○ 2026-05-11 10:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...	-
cygsw.cn	dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.163

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cygsw.cn (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.87, 104.21.5.109`
AAAA	2	`2606:4700:3037::6815:56d, 2606:4700:3032::ac43:8557`
NS	2	`dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

cygsw.cn is a parent of dc-2181acb4.cygsw.cn and www.cygsw.cn.

IP Addresses

cygsw.cn resolves to four IP numbers: 2606:4700:3032::ac43:8557, 2606:4700:3037::6815:56d, 104.21.5.109 and 172.67.133.87.

Other host names such as pessoni.com.br, agromix.com.ua, umejigo.top, kids-party-cake.toogame.com and masjid.ca share IPs with cygsw.cn.

Name Servers

cygsw.cn is delegated to two name servers: dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

cygsw.cn shares the same name server setup as bdh12580.com, 26vv.cn, mingzhecap.com, wqrozpdfi.com and meigongsj.com.

cygsw.cn at least partially shares name servers with other domains, for instance importdukan.com, baywa-re.es, peoplesarchitect.com, equinavorylis.org and npgtrk.com.

These name servers are commonly used with norman.ns.cloudflare.com and jen.ns.cloudflare.com.

Host names with six IP numbers:

dorthy.ns.cloudflare.com points to 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

rayden.ns.cloudflare.com points to 2606:4700:58::a29f:2ca3, 2803:f800:50::6ca2:c3a3, 2a06:98c1:50::ac40:23a3, 108.162.195.163, 162.159.44.163 and 172.64.35.163.

cygsw.cn - robtex.com

cygsw.cn

cn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`cygsw.cn`

`cn`