`yangyucheng.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:aa48^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3f4e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.78^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.72^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`razvan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`razvan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`razvan.ns.cloudflare.com`
		A	108.162.195.77^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	162.159.44.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	172.64.35.77^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
NS	`rihana.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rihana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rihana.ns.cloudflare.com`
		A	108.162.192.244^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	172.64.32.244^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	173.245.58.244^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.78, 172.67.170.72
		IPv6 hints	2606:4700:3032::ac43:aa48, 2606:4700:3037::6815:3f4e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`razvan.ns.cloudflare.com`dns@cloudflare.com serial=2403726866

`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=1778399081

Same first word

yangyucheng.com

Similar names

yuchengyang.net

chengyuyang.com

DNS History

15 records (6 active, 9 former)

○NSdns21.hichina.com2015-07-11 → 2015-11-13 · 4 obs

● 2015-07-11 02:56:06
● 2015-11-13 16:39:36
○ 2016-03-02 02:17:18
○ 2026-05-10 08:09:24

○NSdns22.hichina.com2015-07-11 → 2015-11-13 · 4 obs

● 2015-07-11 02:56:06
● 2015-11-13 16:39:36
○ 2016-03-02 02:17:18
○ 2026-05-10 08:09:24

○NSf1g1ns1.dnspod.net2016-06-24 → 2017-02-15 · 5 obs

○ 2016-03-02 02:17:18
● 2016-06-24 06:21:04
● 2017-02-15 12:05:38
○ 2019-03-29 22:25:38
○ 2026-05-10 08:09:24

○NSf1g1ns2.dnspod.net2016-06-24 → 2017-02-15 · 5 obs

○ 2016-03-02 02:17:18
● 2016-06-24 06:21:04
● 2017-02-15 12:05:38
○ 2019-03-29 22:25:38
○ 2026-05-10 08:09:24

○NSnsg1.namebrightdns.com2019-03-29 → 2019-03-29 · 4 obs

○ 2017-02-15 12:05:38
● 2019-03-29 22:25:38
○ 2026-03-01 04:21:26
○ 2026-05-10 08:09:24

○NSnsg2.namebrightdns.com2019-03-29 → 2019-03-29 · 4 obs

○ 2017-02-15 12:05:38
● 2019-03-29 22:25:38
○ 2026-03-01 04:21:26
○ 2026-05-10 08:09:24

●NSrazvan.ns.cloudflare.com2026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

●NSrihana.ns.cloudflare.com2026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

○A103.206.108.642017-02-15 → 2017-02-15 · 4 obs

○ 2016-03-02 02:17:18
● 2017-02-15 12:05:38
○ 2019-03-29 22:25:38
○ 2026-05-10 08:09:24

●A104.21.63.782026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

●A172.67.170.722026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

○A222.76.215.482015-07-11 → 2015-11-13 · 4 obs

● 2015-07-11 02:56:06
● 2015-11-13 16:39:36
○ 2016-03-02 02:17:18
○ 2026-05-10 08:09:24

●A2606:4700:3032::ac43:aa482026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

●A2606:4700:3037::6815:3f4e2026-03-01 → 2026-05-10 · 3 obs

○ 2019-03-29 22:25:38
● 2026-03-01 04:21:26
● 2026-05-10 08:09:24

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-03-29 → 2019-03-29 · 3 obs

● 2019-03-29 22:25:38
○ 2026-03-01 04:21:26
○ 2026-05-10 08:09:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
yangyucheng.com	rihana.ns.cloudflare.com, razvan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.244

NS records: rihana.ns.cloudflare.com, razvan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yangyucheng.com (unsigned zone)

⏱️ Timing

Total: 83ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.78, 172.67.170.72`
AAAA	2	`2606:4700:3037::6815:3f4e, 2606:4700:3032::ac43:aa48`
NS	2	`razvan.ns.cloudflare.com, rihana.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`razvan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by yangyucheng.com: 2606:4700:3032::ac43:aa48, 2606:4700:3037::6815:3f4e, 104.21.63.78 and 172.67.170.72.

other host names including jintaxian.meiridld.cloud, apps-beefy.xyz, novyrelthos.sbs, www.rushdasoftwares.com and www.0rverif22435.click share IP numbers with yangyucheng.com.

Name Servers

yangyucheng.com is delegated to two name servers razvan.ns.cloudflare.com and rihana.ns.cloudflare.com.

yangyucheng.com shares the same name server setup as other domains, for instance boli12580.com, jyboaiyy.com, puppyqq.com, qipaojie.com and showa-sangyo-emd.com.

yangyucheng.com at least partially shares name servers with other domains, for instance talogisticsolutions.com, unidesc.edu.br, bukas.com.tr, faireplace.com and cryptodigitalinvestment.com.

These name servers are commonly used with harley.ns.cloudflare.com, nola.ns.cloudflare.com and christina.ns.cloudflare.com.

Host names with six IP numbers:

Host name razvan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c4d, 2803:f800:50::6ca2:c34d, 2a06:98c1:50::ac40:234d, 108.162.195.77, 162.159.44.77 and 172.64.35.77.

Host name rihana.ns.cloudflare.com points to: 2606:4700:50::adf5:3af4, 2803:f800:50::6ca2:c0f4, 2a06:98c1:50::ac40:20f4, 108.162.192.244, 172.64.32.244 and 173.245.58.244.

yangyucheng.com - robtex.com

yangyucheng.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`yangyucheng.com`

`com`