ulock.cn - robtex.com
ulock.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.76.227.253🇿🇦 ASLINE-AS-AP168.76.224.0/20 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.judns.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.judns.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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1775484957 | ||||||
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=2035027572 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSf1g1ns1.dnspod.net2015-07-17 → 2016-06-22 · 4 obs
● 2016-06-22 22:55:02
○ 2018-09-06 14:25:16
○ 2026-07-11 04:02:28
○NSf1g1ns2.dnspod.net2015-07-17 → 2016-06-22 · 4 obs
● 2016-06-22 22:55:02
○ 2018-09-06 14:25:16
○ 2026-07-11 04:02:28
○NSjuming.dnsdun.com2018-09-06 → 2018-09-06 · 4 obs
● 2018-09-06 14:25:16
○ 2026-05-08 20:20:30
○ 2026-07-11 04:02:28
○NSjuming.dnsdun.net2018-09-06 → 2018-09-06 · 4 obs
● 2018-09-06 14:25:16
○ 2026-05-08 20:20:30
○ 2026-07-11 04:02:28
●NSns1.judns.com2026-05-08 → 2026-07-11 · 3 obs
● 2026-05-08 20:20:30
● 2026-07-11 04:02:28
●NSns1.julydns.com2026-05-08 → 2026-07-11 · 3 obs
● 2026-05-08 20:20:30
● 2026-07-11 04:02:28
●NSns2.judns.com2026-05-08 → 2026-07-11 · 3 obs
● 2026-05-08 20:20:30
● 2026-07-11 04:02:28
●NSns2.julydns.com2026-05-08 → 2026-07-11 · 3 obs
● 2026-05-08 20:20:30
● 2026-07-11 04:02:28
○A115.29.178.32015-07-17 → 2016-06-22 · 4 obs
● 2016-06-22 22:55:02
○ 2018-09-06 14:25:16
○ 2026-07-11 04:02:28
●A168.76.227.2532026-05-08 → 2026-07-11 · 3 obs
● 2026-05-08 20:20:30
● 2026-07-11 04:02:28
○A172.107.107.2242018-09-06 → 2018-09-06 · 4 obs
● 2018-09-06 14:25:16
○ 2026-05-08 20:20:30
○ 2026-07-11 04:02:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ulock.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ulock.cn (unsigned zone)
⏱️ Timing
Total: 2645ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.76.227.253 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
ulock.cn points to a single IP number: 168.76.227.253.
Additional host names — including xmxlydj.com and chinashadian.com — share IP numbers with ulock.cn.
Name Servers
ulock.cn has four authoritative name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
ulock.cn has at least partial name server overlap with other domains, such as b3z.cn, 99293.com, gykai.cn and two others.
It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com each resolve to 162.159.27.251, while ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223.
ns1.judns.com and ns2.judns.com each have 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com each have 162.159.48.223 IP addresses.