smartcollege.cn - robtex.com
smartcollege.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.92.202.163🇨🇳 Alibaba-Cloud47.92.0.0/15 CT BeiJing IDC | ||||||
| NS | dns15.hichina.com ⭐ | ||||||
| A | 2408:4009:501::23🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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 | 139.224.142.122🇨🇳 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 | dns16.hichina.com | ||||||
| A | 2408:4009:501::24🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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 | 139.224.142.121🇨🇳 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 | dns15.hichina.comhostmaster@hichina.com 2026-06-04 #13 | ||||||
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=2035159441 | ||||||
Same first word
smartcollege.cn |
smartcollege.eu |
smartcollege.xyz |
DNS History
3 records (3 active, 0 former)
●NSdns15.hichina.com2026-04-25 → 2026-08-09 · 2 obs
● 2026-08-09 12:31:26
●NSdns16.hichina.com2026-04-25 → 2026-08-09 · 2 obs
● 2026-08-09 12:31:26
●A47.92.202.1632026-04-25 → 2026-08-09 · 2 obs
● 2026-08-09 12:31:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| smartcollege.cn | dns15.hichina.com, dns16.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.52
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartcollege.cn (unsigned zone)
⏱️ Timing
Total: 1798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.92.202.163 |
| NS | 2 | dns16.hichina.com, dns15.hichina.com |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
smartcollege.cn resolves to just one IP address, 47.92.202.163.
Name Servers
smartcollege.cn has two authoritative name servers — dns15.hichina.com and dns16.hichina.com.
smartcollege.cn shares its NS records with other domains, for example byread.cn, zhangzhenren.cn, huanqingchun.com and two others.
smartcollege.cn has overlapping name servers with several other domains — among them sgaier-truss.com, jinyunjewelry.com, yygblc.com and mxhquxyi.top.
These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.
DNS names with 9 IP addresses:
dns15.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.
dns16.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.