753.cn - robtex.com
753.cn
| CNAME | domain.535.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.192.37.213🇨🇳 TENCENT-NET-AP42.192.0.0/18 | ||||||
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=2034704229 | ||||||
Same first word
Similar names
DNS History
13 records (3 active, 10 former)
○NSdns1.iidns.com2016-02-26 → 2016-02-26 · 4 obs
○ 2015-07-04 23:51:48
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○NSdns2.iidns.com2016-02-26 → 2016-02-26 · 4 obs
○ 2015-07-04 23:51:48
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
●NSdns21.hichina.com2026-04-16 → 2026-04-23 · 3 obs
○ 2018-12-19 08:03:50
● 2026-04-16 06:02:38
● 2026-04-23 20:43:54
● 2026-04-16 06:02:38
● 2026-04-23 20:43:54
●NSdns22.hichina.com2026-04-16 → 2026-04-23 · 3 obs
○ 2018-12-19 08:03:50
● 2026-04-16 06:02:38
● 2026-04-23 20:43:54
● 2026-04-16 06:02:38
● 2026-04-23 20:43:54
○NSdns3.iidns.com2016-02-26 → 2016-02-26 · 4 obs
○ 2015-07-04 23:51:48
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○NSdns4.iidns.com2016-02-26 → 2016-02-26 · 4 obs
○ 2015-07-04 23:51:48
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○NSdns5.iidns.com2016-02-26 → 2016-02-26 · 4 obs
○ 2015-07-04 23:51:48
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-02-26 02:40:38
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○NSdns6.iidns.com2015-07-04 → 2016-06-17 · 4 obs
● 2015-07-04 23:51:48
● 2016-06-17 21:57:10
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-06-17 21:57:10
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○NSns1.dns.com2018-12-19 → 2018-12-19 · 4 obs
○ 2016-06-17 21:57:10
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
○NSns2.dns.com2018-12-19 → 2018-12-19 · 4 obs
○ 2016-06-17 21:57:10
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
○A113.10.128.2272015-07-04 → 2016-06-17 · 4 obs
● 2015-07-04 23:51:48
● 2016-06-17 21:57:10
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
● 2016-06-17 21:57:10
○ 2018-12-19 08:03:50
○ 2026-04-23 20:43:54
○A123.207.251.2122018-12-19 → 2018-12-19 · 4 obs
○ 2016-06-17 21:57:10
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
● 2018-12-19 08:03:50
○ 2026-04-16 06:02:38
○ 2026-04-23 20:43:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 753.cn | dns21.hichina.com, dns22.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.60
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 753.cn (unsigned zone)
⏱️ Timing
Total: 1932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| CNAME | 1 | domain.535.cn |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
753.cn points to a single IP number: 42.192.37.213.
Other host names, for instance 535.cn, domain.535.cn and 706.cn share IP numbers with 753.cn.