tzdk.cn - robtex.com
tzdk.cn
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 2035-05-15 #13 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSce1.xincache.com2026-07-01 → 2026-07-17 · 3 obs
● 2026-07-01 12:25:32
● 2026-07-17 13:10:22
●NSce2.xincache.com2026-07-01 → 2026-07-17 · 3 obs
● 2026-07-01 12:25:32
● 2026-07-17 13:10:22
○NSns1.ce.net.cn2015-05-19 → 2017-04-04 · 4 obs
● 2017-04-04 18:12:20
○ 2026-07-01 12:25:32
○ 2026-07-17 13:10:22
●NSns11.xincache.com2026-07-01 → 2026-07-17 · 3 obs
● 2026-07-01 12:25:32
● 2026-07-17 13:10:22
○NSns2.ce.net.cn2015-05-19 → 2017-04-04 · 4 obs
● 2017-04-04 18:12:20
○ 2026-07-01 12:25:32
○ 2026-07-17 13:10:22
○A183.60.188.2402015-05-19 → 2015-12-23 · 4 obs
● 2015-12-23 03:56:40
○ 2016-09-10 17:44:58
○ 2026-07-17 13:10:22
○A183.60.188.2412016-09-10 → 2017-04-04 · 5 obs
● 2016-09-10 17:44:58
● 2017-04-04 18:12:20
○ 2026-07-01 12:25:32
○ 2026-07-17 13:10:22
●A47.238.181.872026-07-01 → 2026-07-17 · 3 obs
● 2026-07-01 12:25:32
● 2026-07-17 13:10:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| tzdk.cn | ce1.xincache.com, ce2.xincache.com | - |
✅ Authoritative Response
Server:129.211.176.209
NS records: ce1.xincache.com, ce2.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tzdk.cn (unsigned zone)
⏱️ Timing
Total: 1216ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.238.181.87 |
| NS | 2 | ce2.xincache.com, ce1.xincache.com |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
IP Addresses
tzdk.cn has exactly one IP address — 47.238.181.87.
Name Servers
The authoritative name servers for tzdk.cn are ce1.xincache.com, ce2.xincache.com and ns11.xincache.com — three in total.
tzdk.cn shares at least some of its name servers with other domains, including windoor168.com, forevergoodtech.com, youthline.cn and two others.
These name servers are frequently seen alongside ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 7 other name servers.
Hosts with 8 IP addresses each:
Hostname ns11.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.
Hosts with 7 IP addresses each:
Hostname ce1.xincache.com directs to 1.12.0.4, 112.80.181.45 and 117.89.178.173 along with 4 other IP addresses.
Hosts with 6 IP addresses each:
Hostname ce2.xincache.com directs to 1.12.0.1, 117.89.178.184 and 117.135.128.235 along with 3 other IP addresses.
Both ns11.xincache.com and ce1.xincache.com resolve to 2402:4e00:1470:2::e IP addresses each.
Both ns11.xincache.com and ce1.xincache.com resolve to 1.12.0.4 IP addresses each.
Both ns11.xincache.com and ce1.xincache.com resolve to 112.80.181.45 IP addresses each.
Both ns11.xincache.com and ce1.xincache.com resolve to 117.89.178.173 IP addresses each.
Both ns11.xincache.com and ce1.xincache.com resolve to 125.94.59.210 IP addresses each.
Both ns11.xincache.com and ce1.xincache.com resolve to 129.211.176.209 IP addresses each.
Both ce1.xincache.com and ce2.xincache.com resolve to 117.135.128.235 IP addresses each.