`luub.cn`

DNSSEC	⚠️ Not signed
A	218.213.77.14^{🇭🇰 HKNet-vIPNet218.213.77.0/24 HKNet Co. Ltd. 15/F, Tower II, Evergain Plaza 88 Container Port Road, Kwai Chung, Hong Kong}
NS	`ens11.bigwww.com` ⭐ ⚠️ Not in parent delegation
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ens12.bigwww.com` ⚠️ Not in parent delegation
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns11.bigwww.com` ⚠️ Not in zone NS records
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns12.bigwww.com` ⚠️ Not in zone NS records
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns13.bigwww.com` ⚠️ Not in zone NS records
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns14.bigwww.com` ⚠️ Not in zone NS records
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns15.bigwww.com` ⚠️ Not in zone NS records
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
NS	`ns16.bigwww.com` ⚠️ Not in zone NS records
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
SOA	`ens11.bigwww.com`hostmaster@hichina.com 2026-01-12 #9

`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=2034661398

Same first word

luub.cn

luub.org

luub.net

Similar names

bluu.co.jp

bluu.net

lubu.com

ulbu.bi

ublu.es

bluu.co.nz

bluu.eu

lubu.it

bulu.me

bluu.com.au

bluu.no

bluu.fr

ulbu.de

bluu.org

bulu.work

bluu.com.co

bulu.de

bulu.at

bulu.com

ublu.ch

bulu.ru

ubul.de

bulu.it

buul.com.tr

bluu.bio

bluu.es

ulub.com

bluu.ca

bluu.jp

ulub.pl

uubl.com

bluu.co.kr

bluu.asia

ubul.com

bulu.tv

bulu.cn

bluu.ru

bluu.company

bulu.blogspot.co.id

lubu.co

bluu.consulting

bluu.com

bluu.hu

bluu.com.br

bulu.us

ulbu.com

bluu.pl

bluu.co.uk

bluu.dk

DNS History

18 records (9 active, 9 former)

○NSdns1.everdns.com2017-08-28 → 2017-08-28 · 4 obs

○ 2016-12-03 19:38:10
● 2017-08-28 01:08:42
○ 2026-04-10 20:18:12
○ 2026-04-12 06:00:44

●NSens11.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSens12.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns11.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns12.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns13.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns14.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns15.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

●NSns16.bigwww.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

○NSwww.luub.cn2015-10-18 → 2016-12-03 · 4 obs

● 2015-10-18 23:22:48
● 2016-12-03 19:38:10
○ 2017-08-28 01:08:42
○ 2026-04-12 06:00:44

○MXio.bouncemx.com2015-10-18 → 2016-12-03 · 4 obs

● 2015-10-18 23:22:48
● 2016-12-03 19:38:10
○ 2017-08-28 01:08:42
○ 2026-04-12 06:00:44

●A218.213.77.142026-04-10 → 2026-04-12 · 3 obs

○ 2017-08-28 01:08:42
● 2026-04-10 20:18:12
● 2026-04-12 06:00:44

○A70.39.84.2302016-12-03 → 2016-12-03 · 4 obs

○ 2016-04-18 17:57:58
● 2016-12-03 19:38:10
○ 2017-08-28 01:08:42
○ 2026-04-12 06:00:44

○A70.39.84.2332016-04-18 → 2016-04-18 · 4 obs

○ 2016-01-18 02:05:46
● 2016-04-18 17:57:58
○ 2016-12-03 19:38:10
○ 2026-04-12 06:00:44

○A70.39.84.2422015-10-18 → 2015-10-18 · 3 obs

● 2015-10-18 23:22:48
○ 2016-01-18 02:05:46
○ 2026-04-12 06:00:44

○A70.39.84.2482016-01-18 → 2016-01-18 · 4 obs

○ 2015-10-18 23:22:48
● 2016-01-18 02:05:46
○ 2016-04-18 17:57:58
○ 2026-04-12 06:00:44

○CNAMEcs.ename.net2017-08-28 → 2017-08-28 · 4 obs

○ 2016-12-03 19:38:10
● 2017-08-28 01:08:42
○ 2026-04-10 20:18:12
○ 2026-04-12 06:00:44

○CNAMEl.dcoin.co2015-10-18 → 2016-12-03 · 4 obs

● 2015-10-18 23:22:48
● 2016-12-03 19:38:10
○ 2017-08-28 01:08:42
○ 2026-04-12 06:00:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
luub.cn	ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com...	-

✅ Authoritative Response

Server:47.118.199.203

NS records: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for luub.cn (unsigned zone)

⏱️ Timing

Total: 1875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.213.77.14`
NS	2	`ens12.bigwww.com, ens11.bigwww.com`
SOA	1	`ens11.bigwww.com hostmaster.hichina.com`

Analysis

IP Addresses

luub.cn maps to IP address 218.213.77.14.

Other host names, for example luub.net, baimifang.com and 524.cn share the same IP as luub.cn.

Name Servers

Eight name servers are delegated to luub.cn: ens11.bigwww.com, ens12.bigwww.com, ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com and ns16.bigwww.com.

luub.cn at least partially shares name servers with other domains such as joomon.com, 17937.com, zhongguowulian.net, sydisplayfixture.com and cheaj.com.

these name servers are commonly used with dns1.hichina.com, dns2.hichina.com, dns31.hichina.com, dns32.hichina.com, dns13.hichina.com and dns14.hichina.com.

Hosts with three IP numbers:

Host ns11.bigwww.com points to 2408:4009:501::9, 39.96.153.43 and 47.118.199.203.

Host ns12.bigwww.com points to 2408:4009:501::10, 120.76.107.43 and 139.224.142.113.

Hosts with two IP numbers:

Host ens11.bigwww.com points to 39.96.153.43 and 47.118.199.203.

Host ens12.bigwww.com points to 120.76.107.43 and 139.224.142.113.

Hosts with one IP number:

Host ns13.bigwww.com points to 47.118.199.203.

Host ns14.bigwww.com points to 139.224.142.113.

Host ns15.bigwww.com points to 39.96.153.43.

Host ns16.bigwww.com points to 120.76.107.43.

Hosts that point to 39.96.153.43: ns11.bigwww.com, ens11.bigwww.com and ns15.bigwww.com.

Hosts that point to 47.118.199.203: ns11.bigwww.com, ens11.bigwww.com and ns13.bigwww.com.

Hosts that point to 120.76.107.43: ns12.bigwww.com, ens12.bigwww.com and ns16.bigwww.com.

Hosts that point to 139.224.142.113: ns12.bigwww.com, ens12.bigwww.com and ns14.bigwww.com.

luub.cn - robtex.com

luub.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`luub.cn`

`cn`