ojbf.cn - robtex.com
ojbf.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 110.40.159.235🇨🇳 TENCENT-NET-AP110.40.128.0/18 | ||||||
| NS | dns27.hichina.com ⭐ | ||||||
| A | 2408:4009:501::35🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 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 | 139.224.142.109🇨🇳 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 | dns28.hichina.com | ||||||
| A | 2408:4009:501::36🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 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 | 139.224.142.107🇨🇳 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 | mx.ym.163.com ⭐ | ||||||
| A | 111.124.200.35🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19 | ||||||
| TXT | v=spf1 include:spf.163.com ~all | ||||||
| SOA | dns27.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=2034666022 | ||||||
Previously NS for
ojbf.cn |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSdns10.hichina.com2017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 17:15:20
○ 2026-03-26 06:00:44
○ 2026-04-13 11:22:10
●NSdns27.hichina.com2026-03-26 → 2026-04-13 · 3 obs
● 2026-03-26 06:00:44
● 2026-04-13 11:22:10
●NSdns28.hichina.com2026-03-26 → 2026-04-13 · 3 obs
● 2026-03-26 06:00:44
● 2026-04-13 11:22:10
○NSdns9.hichina.com2017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 17:15:20
○ 2026-03-26 06:00:44
○ 2026-04-13 11:22:10
○NSojbf.cn2015-03-22 → 2015-03-22 · 3 obs
○ 2017-02-06 17:15:20
○ 2026-04-13 11:22:10
●MXmx.ym.163.com2026-03-26 → 2026-04-13 · 2 obs
● 2026-04-13 11:22:10
○A103.28.46.562015-03-22 → 2015-03-22 · 3 obs
○ 2017-02-06 17:15:20
○ 2026-04-13 11:22:10
●A110.40.159.2352026-03-26 → 2026-04-13 · 3 obs
● 2026-03-26 06:00:44
● 2026-04-13 11:22:10
○A68.64.163.1072017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 17:15:20
○ 2026-03-26 06:00:44
○ 2026-04-13 11:22:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ojbf.cn | dns27.hichina.com, dns28.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.199
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ojbf.cn (unsigned zone)
⏱️ Timing
Total: 4779ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 110.40.159.235 |
| NS | 2 | dns27.hichina.com, dns28.hichina.com |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | dns27.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
ojbf.cn points to IP number 110.40.159.235.
Name Servers
ojbf.cn is delegated to two name servers: dns27.hichina.com and dns28.hichina.com.
ojbf.cn uses the same name server setup as other domains such as jingguangxian.com, nzlw.com, qianweihu.com, mosuu.com and 90web.net.
ojbf.cn shares name servers with other domains at least partially, for instance porschebz.com and 9cccc.com.
Host names with nine IP numbers:
dns27.hichina.com points to: 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns28.hichina.com points to: 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
Mail Servers
ojbf.cn is handled by a single mail server, mx.ym.163.com.
ojbf.cn shares the same mail server setup as other domains, for instance sametop.com, starteos.io, qoapp.com, sunger.com.cn and iuuu9.com.
ojbf.cn shares mail servers with other domains at least partially; for instance 51jlrn.com, promosky.com, xinjiapoyan.com, lchospital.cn and igrander.com.
these mail servers are commonly used alongside mxbiz1.qq.com and mxbiz2.qq.com.
mx.ym.163.com points to a single IP: 111.124.200.35.