yydu.cn - robtex.com
yydu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.109🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.173🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.109🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dns2.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.110🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.174🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.110🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.174🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dns3.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.109🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.173🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.109🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dns4.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.110🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.174🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.110🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.174🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dns5.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.109🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.173🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.109🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dns6.iidns.com ⚠️ Not in zone NS records | ||||||
| A | 121.12.104.110🇨🇳 CHINANET-Guangdong-DongGuan-IDC121.12.104.0/21 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| A | 183.2.194.174🇨🇳 CHINANET-Guangdong-DongGuan-IDC183.2.192.0/20 DongGuan IDC Network | ||||||
| A | 218.98.111.110🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.174🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
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.cnroot@cnnic.cn serial=2035001593 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.iidns.com2015-12-29 → 2026-07-04 · 3 obs
● 2015-12-29 04:49:52
● 2026-07-04 10:29:56
●NSdns2.iidns.com2015-12-29 → 2026-07-04 · 6 obs
● 2015-12-29 04:49:52
● 2016-12-06 07:30:38
○ 2017-08-08 01:00:30
● 2026-04-17 10:59:02
● 2026-07-04 10:29:56
●NSdns3.iidns.com2015-12-29 → 2026-07-04 · 6 obs
● 2015-12-29 04:49:52
● 2016-12-06 07:30:38
○ 2017-08-08 01:00:30
● 2026-04-17 10:59:02
● 2026-07-04 10:29:56
●NSdns4.iidns.com2015-12-29 → 2026-07-04 · 6 obs
● 2015-12-29 04:49:52
● 2016-12-06 07:30:38
○ 2017-08-08 01:00:30
● 2026-04-17 10:59:02
● 2026-07-04 10:29:56
🔍 DNS Trace
Analysis
Name Servers
The DNS delegation for yydu.cn covers 6 name servers: dns1.iidns.com, dns2.iidns.com, dns3.iidns.com and 3 more.
yydu.cn shares at least some of its name servers with other domains, including rzspx.com, mpj.cn, sygg.cn and two others.
These name servers are frequently seen alongside dns4.iidns.com, dns5.iidns.com, dns6.iidns.com and 6 other name servers.
Host names that resolve to four IP numbers:
dns1.iidns.com points to 121.12.104.109, 183.2.194.173, 218.98.111.109 and 218.98.111.173.
dns2.iidns.com points to 121.12.104.110, 183.2.194.174, 218.98.111.110 and 218.98.111.174.
dns3.iidns.com points to 121.12.104.109, 183.2.194.173, 218.98.111.109 and 218.98.111.173.
dns4.iidns.com points to 121.12.104.110, 183.2.194.174, 218.98.111.110 and 218.98.111.174.
dns5.iidns.com points to 121.12.104.109, 183.2.194.173, 218.98.111.109 and 218.98.111.173.
dns6.iidns.com points to 121.12.104.110, 183.2.194.174, 218.98.111.110 and 218.98.111.174.
Each of dns1.iidns.com, dns3.iidns.com and dns5.iidns.com resolves to 121.12.104.109.
Each of dns1.iidns.com, dns3.iidns.com and dns5.iidns.com resolves to 183.2.194.173.
Each of dns1.iidns.com, dns3.iidns.com and dns5.iidns.com resolves to 218.98.111.109.
Each of dns1.iidns.com, dns3.iidns.com and dns5.iidns.com resolves to 218.98.111.173.
Each of dns2.iidns.com, dns4.iidns.com and dns6.iidns.com resolves to 121.12.104.110.
Each of dns2.iidns.com, dns4.iidns.com and dns6.iidns.com resolves to 183.2.194.174.
Each of dns2.iidns.com, dns4.iidns.com and dns6.iidns.com resolves to 218.98.111.110.
Each of dns2.iidns.com, dns4.iidns.com and dns6.iidns.com resolves to 218.98.111.174.