`51ju.cn`

	CNAME	`vh551444.sudu-du9k.com`
	CNAME	`0618826b.suducdn.com`
	CNAME	`cn.suducdn.com`
	DNSSEC	⚠️ Not signed
	A	122.114.46.58^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.104^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.106^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.108^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.109^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.112^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.114^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	122.114.46.124^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
	A	192.140.176.169^{🇨🇳 FXNET192.140.176.0/22 Feixun Network}

`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.cn`root@cnnic.cn serial=2034668346

Same first word

51ju.ca

51ju.cn

Similar names

uj15.cn

uj15.com

ju51.com

ju51.net

ju15.com

15ju.com

51uj.com

51uj.cn

uj51.com

DNS History

6 records (3 active, 3 former)

●NSdns31.hichina.com2026-02-15 → 2026-04-14 · 3 obs

○ 2017-04-20 07:37:24
● 2026-02-15 00:20:40
● 2026-04-14 04:44:50

●NSdns32.hichina.com2026-02-15 → 2026-04-14 · 3 obs

○ 2017-04-20 07:37:24
● 2026-02-15 00:20:40
● 2026-04-14 04:44:50

○NSns13.xincache.com2015-06-09 → 2017-04-20 · 4 obs

● 2015-06-09 16:02:42
● 2017-04-20 07:37:24
○ 2026-02-15 00:20:40
○ 2026-04-14 04:44:50

○NSns14.xincache.com2015-06-09 → 2017-04-20 · 4 obs

● 2015-06-09 16:02:42
● 2017-04-20 07:37:24
○ 2026-02-15 00:20:40
○ 2026-04-14 04:44:50

○A118.123.116.2172015-06-09 → 2026-02-15 · 3 obs

● 2015-06-09 16:02:42
● 2026-02-15 00:20:40
○ 2026-04-14 04:44:50

●CNAMEvh551444.sudu-du9k.com2026-02-15 → 2026-04-14 · 2 obs

● 2026-02-15 00:20:40
● 2026-04-14 04:44:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
51ju.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:139.224.142.109

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51ju.cn (unsigned zone)

⏱️ Timing

Total: 3476ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns32.hichina.com, dns31.hichina.com`
CNAME	1	`vh551444.sudu-du9k.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

51ju.cn points to nine IPs: 122.114.46.58, 122.114.46.104, 122.114.46.106, 122.114.46.108, 122.114.46.109, 122.114.46.112, 122.114.46.114, 122.114.46.124 and 192.140.176.169.

Other host names, for instance vh1032480.sudu-ab6h.com, zhlx.net, cn.suducdn.com, coolamb.com and cn3.suducdn.com share IP numbers with 51ju.cn.

51ju.cn - robtex.com

51ju.cn

cn