collegetest.cn - robtex.com
collegetest.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.239.14.56🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1782700464 | ||||||
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=2035001991 | ||||||
Same first word
collegetest.cn |
collegetest.com |
DNS History
15 records (5 active, 10 former)
○NSns1.22.cn2015-06-12 → 2026-05-09 · 4 obs
● 2026-05-09 03:31:18
○ 2026-06-24 01:55:46
○ 2026-07-04 12:25:32
●NSns1.julydns.com2026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 12:25:30
● 2026-07-04 12:25:32
●NSns1.onclouddns.com2026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 12:25:30
● 2026-07-04 12:25:32
○NSns2.22.cn2015-10-20 → 2026-05-09 · 5 obs
● 2015-10-20 05:32:34
● 2026-05-09 03:31:18
○ 2026-06-24 01:55:46
○ 2026-07-04 12:25:32
●NSns2.julydns.com2026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 12:25:30
● 2026-07-04 12:25:32
●NSns2.onclouddns.com2026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 12:25:30
● 2026-07-04 12:25:32
○NSns3.22.cn2015-10-20 → 2016-12-06 · 5 obs
● 2015-10-20 05:32:34
● 2016-12-06 02:37:44
○ 2026-02-26 18:13:30
○ 2026-07-04 12:25:32
○NSns4.22.cn2015-10-20 → 2016-12-06 · 5 obs
● 2015-10-20 05:32:34
● 2016-12-06 02:37:44
○ 2026-02-26 18:13:30
○ 2026-07-04 12:25:32
○NSv1.juming.com2026-06-24 → 2026-06-24 · 4 obs
● 2026-06-24 01:55:46
○ 2026-07-04 12:25:30
○ 2026-07-04 12:25:32
○NSv2.juming.com2026-06-24 → 2026-06-24 · 4 obs
● 2026-06-24 01:55:46
○ 2026-07-04 12:25:30
○ 2026-07-04 12:25:32
○MXmxbiz1.qq.com2015-10-20 → 2026-05-09 · 4 obs
● 2026-05-09 03:31:18
○ 2026-06-24 01:55:46
○ 2026-07-04 12:25:32
○MXmxbiz2.qq.com2015-10-20 → 2026-05-09 · 4 obs
● 2026-05-09 03:31:18
○ 2026-06-24 01:55:46
○ 2026-07-04 12:25:32
○A106.15.187.2142026-02-26 → 2026-05-09 · 5 obs
● 2026-02-26 18:13:30
● 2026-05-09 03:31:18
○ 2026-06-24 01:55:46
○ 2026-07-04 12:25:32
○A218.244.150.202015-06-12 → 2016-12-06 · 4 obs
● 2016-12-06 02:37:44
○ 2026-02-26 18:13:30
○ 2026-07-04 12:25:32
●A47.239.14.562026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 12:25:30
● 2026-07-04 12:25:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
| collegetest.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for collegetest.cn (unsigned zone)
⏱️ Timing
Total: 2139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.239.14.56 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
collegetest.cn points to a single IP number: 47.239.14.56.
Name Servers
collegetest.cn has four authoritative name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
collegetest.cn shares at least some of its name servers with other domains, including ycfwl.com, seomcy.com, gajing.com.cn and two others.
These name servers are frequently paired with the name servers ns1.judns.com and ns2.judns.com.
ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223, while ns1.onclouddns.com and ns2.onclouddns.com each resolve to 162.159.27.251.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.
ns1.onclouddns.com along with ns2.onclouddns.com each resolve to 162.159.27.251 IP addresses.