sdbky.cn - robtex.com
sdbky.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2402:db40:5f02:8802:b074:3ca3:2385:c97f🇨🇳 CHINA-12402:db40:5f02::/48 China Telecom Beijing Co. Ltd. | ||||||
| A | 116.196.118.65🇨🇳 CHINA169-BJ116.196.64.0/18 China Telecom Beijing 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 | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| TXT | f200bf191b4c549c2aeb57d54de8544abb8321cd10995eb5d1e5ebe0ce4b75d | ||||||
| TXT | 79b8dcc20641d309466fc08995a562382bb90dad64d5dea232136ad04570edb | ||||||
| SOA | dns19.hichina.comhostmaster@hichina.com 2026-01-09 #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=2034667111 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns19.hichina.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 19:38:18
●NSdns20.hichina.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 19:38:18
●A116.196.118.652026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 19:38:18
●A2402:db40:5f02:8802:b074:3ca3:2385:c97f2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 19:38:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sdbky.cn | dns19.hichina.com, dns20.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.98
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdbky.cn (unsigned zone)
⏱️ Timing
Total: 1494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.196.118.65 |
| AAAA | 1 | 2402:db40:5f02:8802:b074:3ca3:2385:c97f |
| NS | 2 | dns20.hichina.com, dns19.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 3 | 79b8dcc20641d309466fc08995a562382bb90dad, f200bf191b4c549c2aeb57d54de8544abb8321cd... |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
sdbky.cn resolves to two IPs: 2402:db40:5f02:8802:b074:3ca3:2385:c97f and 116.196.118.65.
Name Servers
sdbky.cn is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.
sdbky.cn shares the same name server setup as other domains, for example chatdevs.com, xudaning.com, sjqkj.com, 8a2.cn and timecity.cn.
sdbky.cn at least partially shares name servers with other domains, for instance ocean-intl.com, hmimed.com, clbyw.com, ameco.cn and cadesign.cn.
These name servers are often used with ns1.alidns.com and ns2.alidns.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
sdbky.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
sdbky.cn shares the same mail server setup as other domains, for instance 301cell.com, hkyongnuo.com, ahjhmy.com, hislane.net and so-led.net.
sdbky.cn shares mail servers with other domains at least partially, including gzysg.com, misscute.cn, xcu.edu.cn, oneflying.com and wutaleather.com.
these mail servers are often used with hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.