thr.cn - robtex.com
thr.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 96.9.228.85🇭🇰 LEASEWEB-APAC-HKG-1096.9.228.0/23 GreenCloud Hong Kong DC2 | ||||||
| NS | ns1.17ex.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 218.98.111.191🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | 17ex1.dns.com ⚠️ Not in zone NS records | ||||||
| A | 218.98.111.191🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | 17ex2.dns.com ⚠️ Not in zone NS records | ||||||
| A | 183.253.57.205🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.35🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| NS | ns2.17ex.com ⚠️ Not in parent delegation | ||||||
| A | 183.253.57.205🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.35🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.17ex.comadmin@17ex.com serial=1751342890 | ||||||
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=2035037106 | ||||||
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NS17ex1.dns.com2026-07-03 → 2026-07-13 · 3 obs
● 2026-07-03 23:49:26
● 2026-07-13 21:03:06
●NS17ex2.dns.com2026-07-03 → 2026-07-13 · 3 obs
● 2026-07-03 23:49:26
● 2026-07-13 21:03:06
○NSdns1.iidns.com2015-06-26 → 2017-07-02 · 4 obs
● 2017-07-02 00:47:52
○ 2020-10-31 12:36:20
○ 2026-07-13 21:03:06
○NSdns2.iidns.com2015-06-26 → 2016-12-04 · 4 obs
● 2016-12-04 08:17:10
○ 2017-07-02 00:47:52
○ 2026-07-13 21:03:06
○NSdns3.iidns.com2015-06-26 → 2016-12-04 · 4 obs
● 2016-12-04 08:17:10
○ 2017-07-02 00:47:52
○ 2026-07-13 21:03:06
○NSdns4.iidns.com2015-06-26 → 2016-12-04 · 4 obs
● 2016-12-04 08:17:10
○ 2017-07-02 00:47:52
○ 2026-07-13 21:03:06
○NSdns5.iidns.com2015-06-26 → 2016-12-04 · 4 obs
● 2016-12-04 08:17:10
○ 2017-07-02 00:47:52
○ 2026-07-13 21:03:06
○NSdns6.iidns.com2015-06-26 → 2016-12-04 · 4 obs
● 2016-12-04 08:17:10
○ 2017-07-02 00:47:52
○ 2026-07-13 21:03:06
●NSns1.17ex.com2026-07-03 → 2026-07-13 · 3 obs
● 2026-07-03 23:49:26
● 2026-07-13 21:03:06
●NSns2.17ex.com2026-07-03 → 2026-07-13 · 3 obs
● 2026-07-03 23:49:26
● 2026-07-13 21:03:06
○A72.11.128.642015-06-26 → 2017-07-02 · 4 obs
● 2017-07-02 00:47:52
○ 2020-10-31 12:36:20
○ 2026-07-13 21:03:06
●A96.9.228.852026-07-03 → 2026-07-13 · 3 obs
● 2026-07-03 23:49:26
● 2026-07-13 21:03:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| thr.cn | 17ex1.dns.com, 17ex2.dns.com | - |
✅ Authoritative Response
Server:211.99.99.35
NS records: 17ex1.dns.com, 17ex2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thr.cn (unsigned zone)
⏱️ Timing
Total: 2360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 96.9.228.85 |
| NS | 2 | ns1.17ex.com, ns2.17ex.com |
| SOA | 1 | ns1.17ex.com admin.17ex.com |
Analysis
IP Addresses
thr.cn has exactly one IP address — 96.9.228.85.
nawi.cn, rdk.cn, wml.cn plus two other host names have IP numbers in common with thr.cn.
Name Servers
Four name servers handle the delegation for thr.cn: ns1.17ex.com, ns2.17ex.com, 17ex1.dns.com and 17ex2.dns.com.
thr.cn partially shares its NS delegation with several other domains, including dgcp.cn, dfls.cn, 2plus.com.cn and two others.
Host names pointing to two IP addresses:
ns2.17ex.com resolves to two addresses: 183.253.57.205 and 211.99.99.35.
17ex2.dns.com resolves to two addresses: 183.253.57.205 and 211.99.99.35.
Host names resolving to a single IP address:
The hostname ns1.17ex.com resolves to 218.98.111.191.
The hostname 17ex1.dns.com resolves to 218.98.111.191.
ns2.17ex.com along with 17ex2.dns.com each resolve to 183.253.57.205 IP addresses.
ns2.17ex.com along with 17ex2.dns.com each resolve to 211.99.99.35 IP addresses.
ns1.17ex.com along with 17ex1.dns.com each resolve to 218.98.111.191 IP addresses.