ysu.com - robtex.com

ysu.com

DNSSEC⚠️ Not signed
NSns3.dns.com ⚠️ Not in zone NS records
A2001:df2:f080:1::8🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A61.158.128.31🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network
PTR31.128.158.61.ha.cnc
A218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
NSns4.dns.com ⚠️ Not in zone NS records
A240e:97d:10:1402:0:1:0:1005🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network
A1.193.216.198🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network
A183.253.57.199🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)
A211.99.99.52🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774493232
WOT: SAFE (21/100)

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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026NSns3.dns.comns4.dns.comA50.117.116.11750.117.120.253
●NSns3.dns.com2026-02-23 → 2026-03-26 · 2 obs
● 2026-02-23 18:24:22
● 2026-03-26 03:00:50
●NSns4.dns.com2026-02-23 → 2026-03-26 · 2 obs
● 2026-02-23 18:24:22
● 2026-03-26 03:00:50
○A50.117.116.1172015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 15:00:54
○ 2026-02-23 18:24:22
○ 2026-03-26 03:00:50
○A50.117.120.2532015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 15:00:54
○ 2026-02-23 18:24:22
○ 2026-03-26 03:00:50

🔍 DNS Trace

Analysis

Name Servers

ysu.com is delegated to two name servers: ns3.dns.com and ns4.dns.com.

ysu.com uses the same name server setup as other domains, including 22764.com, 13781.com, yongjia.cn, ciweigongshe.com and 6down.com.

At least part of the name servers for ysu.com are shared with other domains, for instance edui.cn, yanglu.com, 8049.com, boben.com and ci9.com.

These name servers are commonly used with ns1.ename.net, ns2.ename.net, ns1.dns.com and ns2.dns.com.

Host names with four IP numbers:

ns4.dns.com points to 240e:97d:10:1402:0:1:0:1005, 1.193.216.198, 183.253.57.199 and 211.99.99.52.

Host names with three IP numbers:

ns3.dns.com points to 2001:df2:f080:1::8, 61.158.128.31 and 218.98.111.173.