ofs.cn - robtex.com
ofs.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 101.37.76.189🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 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 | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 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 | dns9.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=2034659013 | ||||||
Subdomains
ofsok.ofs.cn |
Same first word
Similar names
DNS History
14 records (3 active, 11 former)
●NSdns10.hichina.com2026-03-30 → 2026-04-11 · 3 obs
● 2026-03-30 05:10:16
● 2026-04-11 12:51:46
●NSdns9.hichina.com2026-03-30 → 2026-04-11 · 3 obs
● 2026-03-30 05:10:16
● 2026-04-11 12:51:46
○NSl.dcoin.co2016-08-04 → 2016-08-04 · 4 obs
● 2016-08-04 07:42:00
○ 2016-11-13 02:57:20
○ 2026-04-11 12:51:46
○NSwww.ofs.cn2015-08-21 → 2017-04-29 · 7 obs
● 2016-04-27 22:55:50
○ 2016-08-04 07:42:00
● 2016-11-13 02:57:20
● 2017-04-29 09:19:08
○ 2026-03-30 05:10:16
○ 2026-04-11 12:51:46
○MXio.bouncemx.com2015-10-27 → 2017-04-29 · 6 obs
● 2016-04-27 22:55:50
○ 2016-08-04 07:42:00
● 2017-04-29 09:19:08
○ 2026-03-30 05:10:16
○ 2026-04-11 12:51:46
●A101.37.76.1892026-03-30 → 2026-04-11 · 3 obs
● 2026-03-30 05:10:16
● 2026-04-11 12:51:46
○A170.178.178.422017-04-29 → 2017-04-29 · 4 obs
● 2017-04-29 09:19:08
○ 2026-03-30 05:10:16
○ 2026-04-11 12:51:46
○A70.39.84.2332015-10-28 → 2015-10-28 · 4 obs
● 2015-10-28 02:22:00
○ 2016-01-21 07:30:30
○ 2026-04-11 12:51:46
○A70.39.84.2372015-10-27 → 2015-10-27 · 4 obs
● 2015-10-27 02:13:58
○ 2015-10-28 02:22:00
○ 2026-04-11 12:51:46
○A70.39.84.2392016-01-21 → 2016-01-21 · 4 obs
● 2016-01-21 07:30:30
○ 2016-04-14 01:32:38
○ 2026-04-11 12:51:46
○A70.39.84.2412015-08-21 → 2015-08-21 · 3 obs
○ 2026-03-30 05:10:16
○ 2026-04-11 12:51:46
○A70.39.84.2482016-04-14 → 2016-04-14 · 4 obs
● 2016-04-14 01:32:38
○ 2016-04-27 22:55:50
○ 2026-04-11 12:51:46
○A70.39.84.2502016-04-27 → 2016-04-27 · 4 obs
● 2016-04-27 22:55:50
○ 2016-08-04 07:42:00
○ 2026-04-11 12:51:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, b.dns.cn, d.dns.cn... | - |
| ofs.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.112
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ofs.cn (unsigned zone)
⏱️ Timing
Total: 3172ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.37.76.189 |
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
ofs.cn is a parent of ofsok.ofs.cn.
IP Addresses
ofs.cn points to a single IP number: 101.37.76.189.
Other host names, for instance officemate.cn, share IP numbers with ofs.cn.
Name Servers
Delegation for ofs.cn rests with two name servers, dns10.hichina.com and dns9.hichina.com.
ofs.cn shares the same name server setup as other domains, including neilshang.com, 189-189.com, yanjingye.com, panoeade.com and jixianyuan.com.cn.
ofs.cn at least partially shares name servers with other domains, for instance boogic.com, electron.cn, fisxy.com, tachilog.com and deltalpha.cn.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.