zjuxlab.com - robtex.com
zjuxlab.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.99.68.65🇨🇳 Alibaba-Cloud47.98.0.0/15 Hangzhou Alibaba Advertising Co.,Ltd. | ||||||
| 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 | m1.feishu.cn ⭐ | ||||||
| TXT | verification-code-site-App_feishu=QOufO8WDY79y6picUmES | ||||||
| TXT | v=spf1 +include:_netblocks.m.feishu.cn ~all | ||||||
| SOA | dns19.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774611507 | ||||||
Same first word
zjuxlab.com |
DNS History
4 records (4 active, 0 former)
●NSdns19.hichina.com2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:06:30
●NSdns20.hichina.com2026-02-23 → 2026-03-27 · 2 obs
● 2026-03-27 12:06:30
●A47.99.68.652026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 12:06:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| zjuxlab.com | dns19.hichina.com, dns20.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zjuxlab.com (unsigned zone)
⏱️ Timing
Total: 3552ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.99.68.65 |
| NS | 2 | dns20.hichina.com, dns19.hichina.com |
| MX | 1 | m1.feishu.cn (pri: 10) |
| TXT | 2 | v=spf1 +include:_netblocks.m.feishu.cn , verification-code-site-App_feishu=QOufO8 |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)
Analysis
IP Addresses
zjuxlab.com resolves to one IP number: 47.99.68.65.
Name Servers
zjuxlab.com is delegated to two name servers dns19.hichina.com and dns20.hichina.com.
zjuxlab.com shares the same name server setup as other domains, for instance shinemax.cn, chinabim.cn, pcloong.com, sunices.net and covip.net.
zjuxlab.com shares at least some name servers with other domains, for example mgsyh.com, anchn.com and szyqzd.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
zjuxlab.com is handled by a single mail server, m1.feishu.cn.
zjuxlab.com shares the same mail server setup as other domains, for instance cloger.com, collegein.com, black-barrels.com, 96113.net and metaapp.cn.
zjuxlab.com shares some mail servers with other domains, at least partially, for example porton.com.cn and timez.com.