`ybyun.com`

DNSSEC	⚠️ Not signed
A	38.26.201.63^{🇺🇸 COGENT38.26.201.0/24}
NS	`ns1.51dns.com` ⭐
		A	2001:df2:f080:1::4^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	1.193.216.201^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	218.98.111.194^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.51dns.com`
		A	240e:97d:10:1402:0:1:0:1001^{🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network}
		A	61.158.128.2^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`2.128.158.61.ha.cnc`
		A	183.253.57.224^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.63^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`ns1.51dns.com`admin@51dns.com serial=1751342727

`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=1777487966

Same first word

ybyun.com

Similar names

ybuny.com

byyun.com

nbuyy.com

DNS History

10 records (3 active, 7 former)

●NSns1.51dns.com2016-08-08 → 2026-04-29 · 3 obs

○ 2016-03-18 06:57:18
● 2016-08-08 20:08:48
● 2026-04-29 18:43:34

●NSns2.51dns.com2016-08-08 → 2026-04-29 · 3 obs

○ 2016-03-18 06:57:18
● 2016-08-08 20:08:48
● 2026-04-29 18:43:34

○NSwww.ybyun.com2015-08-15 → 2016-03-18 · 4 obs

● 2015-08-15 12:47:48
● 2016-03-18 06:57:18
○ 2016-08-08 20:08:48
○ 2026-04-29 18:43:34

○MXio.bouncemx.com2015-12-17 → 2016-03-18 · 4 obs

● 2015-12-17 06:49:44
● 2016-03-18 06:57:18
○ 2026-04-29 18:43:30
○ 2026-04-29 18:43:34

○A107.160.225.2542016-08-08 → 2016-08-08 · 4 obs

○ 2016-03-18 06:57:18
● 2016-08-08 20:08:48
○ 2026-04-29 18:43:30
○ 2026-04-29 18:43:34

●A38.26.201.632026-04-29 → 2026-04-29 · 3 obs

○ 2016-08-08 20:08:48
● 2026-04-29 18:43:30
● 2026-04-29 18:43:34

○A70.39.84.2352015-12-17 → 2015-12-17 · 4 obs

○ 2015-08-15 12:47:48
● 2015-12-17 06:49:44
○ 2016-03-18 06:57:18
○ 2026-04-29 18:43:34

○A70.39.84.2382015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 12:47:48
○ 2026-04-29 18:43:30
○ 2026-04-29 18:43:34

○A70.39.84.2532016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-17 06:49:44
● 2016-03-18 06:57:18
○ 2016-08-08 20:08:48
○ 2026-04-29 18:43:34

○CNAMEy.dcoin.co2015-08-15 → 2016-03-18 · 4 obs

● 2015-08-15 12:47:48
● 2016-03-18 06:57:18
○ 2016-08-08 20:08:48
○ 2026-04-29 18:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ybyun.com	ns1.51dns.com, ns2.51dns.com	5 records

✅ Authoritative Response

Server:183.253.57.224

NS records: ns1.51dns.com, ns2.51dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybyun.com (unsigned zone)

⏱️ Timing

Total: 563ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.26.201.63`
NS	2	`ns1.51dns.com, ns2.51dns.com`
SOA	1	`ns1.51dns.com admin.51dns.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.51dns.com, ns1.51dns.com, ns2.51dns.com...)

Analysis

IP Addresses

ybyun.com points to a single IP number: 38.26.201.63.

Name Servers

ybyun.com is delegated to two name servers: ns1.51dns.com and ns2.51dns.com.

ybyun.com shares the same name server setup as other domains, for example ok365365.com, bwttw.com, v7878.com, hcloud.cn and bet8188.com.

ybyun.com at least partially shares name servers with other domains, for example zhaofh.com and zuogame.com.

Host names with four IP numbers:

Host ns2.51dns.com points to 240e:97d:10:1402:0:1:0:1001, 61.158.128.2, 183.253.57.224 and 211.99.99.63.

Host names with three IP numbers:

Host ns1.51dns.com points to 2001:df2:f080:1::4, 1.193.216.201 and 218.98.111.194.

ybyun.com - robtex.com

ybyun.com

com