cau.hk - robtex.com
cau.hk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2409:8a28:7840:cb20:7285:c2ff:fe75:6d6d🇨🇳 CMNET-Zhejiang-AP2409:8a28:7800::/40 CMI (Customer Route) | ||||||
| NS | dns3.hichina.com ⭐ | ||||||
| A | 2408:4009:501::11🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.123🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns4.hichina.com | ||||||
| A | 2408:4009:501::12🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.124🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | dns3.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
hk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns3.hkirc.net.hk ⭐ | ||||||
| NS | c.hkirc.net.hk | ||||||
| NS | d.hkirc.net.hk | ||||||
| NS | m.hkirc.net.hk | ||||||
| NS | t.hkirc.net.hk | ||||||
| NS | u.hkirc.net.hk | ||||||
| NS | v.hkirc.net.hk | ||||||
| NS | x.hkirc.net.hk | ||||||
| NS | y.hkirc.net.hk | ||||||
| NS | z.hkirc.net.hk | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2074928073 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
●NSdns3.hichina.com2026-04-25 → 2026-04-27 · 3 obs
● 2026-04-25 07:48:44
● 2026-04-27 19:47:46
●NSdns4.hichina.com2026-04-25 → 2026-04-27 · 3 obs
● 2026-04-25 07:48:44
● 2026-04-27 19:47:46
○NSns.cau.hk2015-08-04 → 2017-09-05 · 4 obs
● 2017-09-05 09:12:48
○ 2021-01-28 19:58:46
○ 2026-04-27 19:47:46
○NSns6.dnsdun.com2021-01-28 → 2021-01-28 · 4 obs
● 2021-01-28 19:58:46
○ 2026-04-25 07:48:44
○ 2026-04-27 19:47:46
○NSns6.dnsdun.net2021-01-28 → 2021-01-28 · 4 obs
● 2021-01-28 19:58:46
○ 2026-04-25 07:48:44
○ 2026-04-27 19:47:46
○MXmail.cau.hk2015-08-04 → 2017-09-05 · 4 obs
● 2017-09-05 09:12:48
○ 2021-01-28 19:58:46
○ 2026-04-27 19:47:46
○A111.91.239.2032016-06-16 → 2017-01-09 · 5 obs
● 2016-06-16 08:41:46
● 2017-01-09 08:41:24
○ 2017-09-05 09:12:48
○ 2026-04-27 19:47:46
○A113.52.133.1662015-08-04 → 2016-03-29 · 4 obs
● 2016-03-29 02:01:02
○ 2016-06-16 08:41:46
○ 2026-04-27 19:47:46
○A156.242.215.1672021-01-28 → 2021-01-28 · 4 obs
● 2021-01-28 19:58:46
○ 2026-04-25 07:48:44
○ 2026-04-27 19:47:46
○A192.241.249.1822017-09-05 → 2017-09-05 · 4 obs
● 2017-09-05 09:12:48
○ 2021-01-28 19:58:46
○ 2026-04-27 19:47:46
●A2409:8a28:7840:cb20:7285:c2ff:fe75:6d6d2026-04-25 → 2026-04-27 · 3 obs
● 2026-04-25 07:48:44
● 2026-04-27 19:47:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | d.hkirc.net.hk, y.hkirc.net.hk, t.hkirc.net.hk, c.hkirc.net.hk... | 15 records |
| cau.hk | dns4.hichina.com, dns3.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.63
NS records: dns4.hichina.com, dns3.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cau.hk (unsigned zone)
⏱️ Timing
Total: 1846ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| AAAA | 1 | 2409:8a28:7840:cb20:7285:c2ff:fe75:6d6d |
| NS | 2 | dns4.hichina.com, dns3.hichina.com |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk...)
Analysis
IP Addresses
cau.hk points to a single IP: 2409:8a28:7840:cb20:7285:c2ff:fe75:6d6d.
Name Servers
cau.hk's delegation is to two name servers dns3.hichina.com and dns4.hichina.com.
cau.hk shares the same name server configuration as other domains, such as mxdmm.com, tibbm.cn, xiamenmxt.com, 3ghs.com and bm20.cn.
cau.hk at least partially shares its name servers with other domains, for instance myjewelryfindings.com, sushijie.cn, hega.cn, cskc.net and manipol.com.cn.
These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns3.hichina.com points to 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123; dns4.hichina.com points to 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.