`fltcsb.com`

DNSSEC	⚠️ Not signed
A	43.143.10.240^{🇨🇳 TENCENT-NET-AP43.143.0.0/18}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 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,}
			PTR	`ip-139-224-142-121.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Subdomains

xn--www.fltcsb.com

multi-www.fltcsb.com

www.fltcsb.com

multi-e69e81e59381e881aae6988ewww.fltcsb.com

school-www.fltcsb.com

Same first word

fltcsb.com

Similar names

ltsbcf.biz

ltsbcf.org

bcsftl.com

tbscfl.com

ltsbcf.ie

tsbflc.com

ltsbcf.net

bcsftl.org

ltsbcf.fr

ltsbcf.nl

ltsbcf.be

cftlsb.com

ltsbcf.co.uk

ltsbcf.com

ltsbcf.pl

clftsb.com

DNS History

13 records (5 active, 8 former)

●NSdns10.hichina.com2016-01-17 → 2026-03-14 · 3 obs

○ 2015-10-25 04:24:10
● 2016-01-17 01:44:00
● 2026-03-14 22:56:56

●NSdns9.hichina.com2016-01-17 → 2026-03-14 · 3 obs

○ 2015-10-25 04:24:10
● 2016-01-17 01:44:00
● 2026-03-14 22:56:56

○NSns1.360wzb.com2015-07-26 → 2015-10-25 · 5 obs

○ 2008-03-15 00:05:44
● 2015-07-26 11:53:02
● 2015-10-25 04:24:10
○ 2016-01-17 01:44:00
○ 2026-03-14 22:56:56

○NSns1.dns.com.cn2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:05:44
○ 2015-07-26 11:53:02
○ 2026-03-14 22:56:56

○NSns2.360wzb.com2015-07-26 → 2015-10-25 · 5 obs

○ 2008-03-15 00:05:44
● 2015-07-26 11:53:02
● 2015-10-25 04:24:10
○ 2016-01-17 01:44:00
○ 2026-03-14 22:56:56

○NSns2.dns.com.cn2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:05:44
○ 2015-07-26 11:53:02
○ 2026-03-14 22:56:56

○MXmx.mail.sogou.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:05:44
○ 2015-07-26 11:53:02
○ 2026-03-14 22:56:56

●MXmxbiz1.qq.com2015-07-26 → 2026-03-14 · 3 obs

○ 2008-03-15 00:05:44
● 2015-07-26 11:53:02
● 2026-03-14 22:56:56

●MXmxbiz2.qq.com2015-07-26 → 2026-03-14 · 3 obs

○ 2008-03-15 00:05:44
● 2015-07-26 11:53:02
● 2026-03-14 22:56:56

○A121.40.129.1022008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:05:44
○ 2015-07-26 11:53:02
○ 2026-03-14 22:56:56

○A121.41.50.1242015-07-26 → 2015-10-25 · 5 obs

○ 2008-03-15 00:05:44
● 2015-07-26 11:53:02
● 2015-10-25 04:24:10
○ 2016-01-17 01:44:00
○ 2026-03-14 22:56:56

●A43.143.10.2402026-02-18 → 2026-03-14 · 3 obs

○ 2020-01-08 20:43:28
● 2026-02-18 23:04:14
● 2026-03-14 22:56:56

○A47.96.164.1682020-01-08 → 2020-01-08 · 4 obs

○ 2016-01-17 01:44:00
● 2020-01-08 20:43:28
○ 2026-02-18 23:04:14
○ 2026-03-14 22:56:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
fltcsb.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fltcsb.com (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.143.10.240`
NS	2	`dns9.hichina.com, dns10.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Hierarchy

fltcsb.com is a parent of xn--www.fltcsb.com, multi-www.fltcsb.com, www.fltcsb.com, multi-e69e81e59381e881aae6988ewww.fltcsb.com and school-www.fltcsb.com.

IP Addresses

fltcsb.com points to IP number 43.143.10.240.

For instance, other host names hzcsb.com, multi-www.fltcsb.com, www.fltcsb.com, multi-e69e81e59381e881aae6988ewww.fltcsb.com and school-www.fltcsb.com share IP numbers with fltcsb.com.

Name Servers

fltcsb.com is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.

fltcsb.com uses the same name server setup as other domains such as peterhi.com, sylbt.com, mabao.org, longmaosoft.com and appaso.com.

fltcsb.com shares name servers with other domains at least partially, for instance umetrip.com.cn and fmzj.net.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

Mail Servers

Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle fltcsb.com.

fltcsb.com shares the same mail server setup as other domains, for instance ndipark.com, php.cool, venture-tech.net, sh-huanyu.com and zxmall.com.

fltcsb.com shares mail servers with other domains at least partially; for instance damai.store, www.buyqual.com, raxwell.cn, da(0x73686974)ech.com and caiguai.com.

Host names with two IPs:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP:

mxbiz2.qq.com points to 203.205.232.191.

Hosts pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.

fltcsb.com - robtex.com

fltcsb.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`fltcsb.com`

`com`