`leftbrain.cn`

	CNAME	`overdue.aliyun.com`
	DNSSEC	⚠️ Not signed
	A	170.33.12.185^{🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}

`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=2034666820

Same first word

leftbrain.us

leftbrain.no

leftbrain.ca

leftbrain.ch

leftbrain.consulting

leftbrain.org

leftbrain.de

leftbrain.co

leftbrain.cn

leftbrain.design

leftbrain.ru

leftbrain.com

leftbrain.co.nz

leftbrain.solutions

leftbrain.net

leftbrain.support

leftbrain.it

leftbrain.pl

leftbrain.co.uk

leftbrain.com.pl

Similar names

brianfelt.com

infrabelt.com

belfinart.com

abflirten.de

DNS History

12 records (3 active, 9 former)

●NSdns13.hichina.com2026-03-16 → 2026-04-13 · 3 obs

○ 2018-06-23 23:15:42
● 2026-03-16 21:38:32
● 2026-04-13 17:13:30

●NSdns14.hichina.com2026-03-16 → 2026-04-13 · 3 obs

○ 2018-06-23 23:15:42
● 2026-03-16 21:38:32
● 2026-04-13 17:13:30

○NSdns15.hichina.com2018-06-23 → 2018-06-23 · 4 obs

○ 2017-01-08 09:29:04
● 2018-06-23 23:15:42
○ 2026-03-16 21:38:32
○ 2026-04-13 17:13:30

○NSdns16.hichina.com2018-06-23 → 2018-06-23 · 4 obs

○ 2017-01-08 09:29:04
● 2018-06-23 23:15:42
○ 2026-03-16 21:38:32
○ 2026-04-13 17:13:30

○NSwww.leftbrain.cn2016-03-02 → 2017-01-08 · 4 obs

● 2016-03-02 21:53:56
● 2017-01-08 09:29:04
○ 2018-06-23 23:15:42
○ 2026-04-13 17:13:30

○MXio.bouncemx.com2016-03-02 → 2017-01-08 · 4 obs

● 2016-03-02 21:53:56
● 2017-01-08 09:29:04
○ 2018-06-23 23:15:42
○ 2026-04-13 17:13:30

○A103.41.117.262015-07-10 → 2015-11-21 · 4 obs

● 2015-07-10 11:39:32
● 2015-11-21 00:04:32
○ 2016-03-02 21:53:56
○ 2026-04-13 17:13:30

○A70.39.84.2302016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-21 00:04:32
● 2016-03-02 21:53:56
○ 2016-07-14 19:26:04
○ 2026-04-13 17:13:30

○A70.39.84.2342017-01-08 → 2017-01-08 · 4 obs

○ 2016-07-14 19:26:04
● 2017-01-08 09:29:04
○ 2018-06-23 23:15:42
○ 2026-04-13 17:13:30

○A70.39.84.2452016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-02 21:53:56
● 2016-07-14 19:26:04
○ 2017-01-08 09:29:04
○ 2026-04-13 17:13:30

○CNAMEl.dcoin.co2016-03-02 → 2017-01-08 · 4 obs

● 2016-03-02 21:53:56
● 2017-01-08 12:09:28
○ 2018-06-23 23:15:42
○ 2026-04-13 17:13:30

●CNAMEoverdue.aliyun.com2018-06-23 → 2026-04-13 · 3 obs

○ 2017-01-08 12:09:28
● 2018-06-23 23:15:42
● 2026-04-13 17:13:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn...	-
leftbrain.cn	dns13.hichina.com, dns14.hichina.com	-

✅ Authoritative Response

Server:139.224.142.112

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leftbrain.cn (unsigned zone)

⏱️ Timing

Total: 1486ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns13.hichina.com, dns14.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

leftbrain.cn points to a single IP number: 170.33.12.185.

Other host names, for instance lkex.cn, zdgh.cn, 0j6.cn, metrue.cn and qmrf.cn share IP numbers with leftbrain.cn.

leftbrain.cn - robtex.com

leftbrain.cn

cn