topcd.cn - robtex.com
topcd.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 108.186.102.117🇺🇸 PEGTECHINC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC | ||||||
| PTR | ip-1-193-216-204.defastlink.net | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP | ||||||
| PTR | ip-218-98-111-129.defastlink.net | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP | ||||||
| PTR | ip-218-98-111-138.defastlink.net | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN | ||||||
| PTR | ip-183-253-57-202.defastlink.net | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1 | ||||||
| PTR | ip-211-99-99-38.defastlink.net | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1762780905 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
○NS(root)2015-05-17 → 2017-04-04 · 4 obs
● 2017-04-04 09:24:02
○ 2026-02-21 09:15:04
○ 2026-02-21 09:15:08
●NSns1.nowcndns.com2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 09:15:04
● 2026-02-21 09:15:08
●NSns2.nowcndns.com2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 09:15:04
● 2026-02-21 09:15:08
●A108.186.102.1172026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 09:15:04
● 2026-02-21 09:15:08
○A117.25.131.872015-05-17 → 2017-04-04 · 4 obs
● 2017-04-04 09:24:02
○ 2026-02-21 09:15:04
○ 2026-02-21 09:15:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | 11 records |
| topcd.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server: 218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topcd.cn (unsigned zone)
⏱️ Timing
Total: 3684ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 108.186.102.117 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
AI analysis
topcd.cn resolves to one IP number: 108.186.102.117.
Other host names including slshaiwang.cn, lianyis.cn, mozongkang.cn and ltsteels.cn share IP numbers with topcd.cn.
topcd.cn's delegation uses two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
topcd.cn uses the same name server setup as other domains, such as yongfengren.cn, dexiazai.cn, oqat.cn, lnmrmf.cn and onlywines.com.cn.
Host names with three IP numbers:
The host name ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138.
The host name ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.