justtech.cn - robtex.com
justtech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.107.76.45🇨🇳 Alibaba-Cloud39.106.0.0/15 CT BeiJing IDC | ||||||
| NS | dns19.hichina.com ⭐ | ||||||
| A | 2408:4009:501::27🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns20.hichina.com | ||||||
| A | 2408:4009:501::28🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | dns19.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=2034714879 | ||||||
rank #4603 in the tld
Same first word
DNS History
7 records (5 active, 2 former)
●NSdns19.hichina.com2015-08-09 → 2026-04-26 · 2 obs
● 2026-04-26 16:00:44
●NSdns20.hichina.com2015-08-09 → 2026-04-26 · 2 obs
● 2026-04-26 16:00:44
○A115.28.92.532015-12-10 → 2017-04-20 · 5 obs
● 2015-12-10 18:31:48
● 2017-04-20 03:14:14
○ 2026-02-18 07:31:18
○ 2026-04-26 16:00:44
●A39.107.76.452026-02-18 → 2026-04-26 · 3 obs
● 2026-02-18 07:31:18
● 2026-04-26 16:00:44
○A42.121.131.1222015-08-09 → 2015-08-09 · 3 obs
○ 2015-12-10 18:31:48
○ 2026-04-26 16:00:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, a.dns.cn, b.dns.cn... | - |
| justtech.cn | dns19.hichina.com, dns20.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.110
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for justtech.cn (unsigned zone)
⏱️ Timing
Total: 1421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 39.107.76.45 |
| NS | 2 | dns19.hichina.com, dns20.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 6), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
justtech.cn points to a single IP: 39.107.76.45.
Name Servers
justtech.cn's delegation is to two name servers dns19.hichina.com and dns20.hichina.com.
justtech.cn shares the same name server configuration as other domains, such as laifucn.com, sxyart.com, zzchemical.com, changhongcac.com and 027pc.net.
justtech.cn shares name servers with other domains to some extent, for instance seoyh.net, nb114.cn, hyt120.com and cpw8889.com.
These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns19.hichina.com points to 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns20.hichina.com points to 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
Mail Servers
Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle justtech.cn.
justtech.cn uses the same mail server setup as other domains such as ketu-cn.com, yaa7.com, colsonn.com, ganyeah.com and qdkongque.com.
justtech.cn shares some mail servers with other domains at least partially, for example meitag.com.