`ctt-lab.com`

DNSSEC	⚠️ Not signed
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		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,}
			PTR	`ip-139-224-142-113.defastlink.net`
		A	139.224.142.123^{🇨🇳 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-139-224-142-123.defastlink.net`
NS	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		A	139.224.142.114^{🇨🇳 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-139-224-142-114.defastlink.net`
		A	139.224.142.124^{🇨🇳 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-139-224-142-124.defastlink.net`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns7.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

Same first word

ctt-lab.com

Similar names

tct-lab.com

DNS History

10 records (5 active, 5 former)

●NSdns7.hichina.com2026-03-23 → 2026-03-23 · 3 obs

○ 2021-11-13 20:02:50
● 2026-03-23 01:08:14
● 2026-03-23 15:07:04

●NSdns8.hichina.com2026-03-23 → 2026-03-23 · 3 obs

○ 2021-11-13 20:02:50
● 2026-03-23 01:08:14
● 2026-03-23 15:07:04

○NSns1.dnsowl.com2018-05-13 → 2021-11-13 · 4 obs

● 2018-05-13 03:22:00
● 2021-11-13 20:02:50
○ 2026-03-23 01:08:14
○ 2026-03-23 15:07:04

○NSns2.dnsowl.com2018-05-13 → 2021-11-13 · 4 obs

● 2018-05-13 03:22:00
● 2021-11-13 20:02:50
○ 2026-03-23 01:08:14
○ 2026-03-23 15:07:04

○NSns3.dnsowl.com2018-05-13 → 2021-11-13 · 4 obs

● 2018-05-13 03:22:00
● 2021-11-13 20:02:50
○ 2026-03-23 01:08:14
○ 2026-03-23 15:07:04

●MXmx1.qiye.aliyun.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 01:08:14
● 2026-03-23 15:07:04

●MXmx2.qiye.aliyun.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 01:08:14
● 2026-03-23 15:07:04

●MXmx3.qiye.aliyun.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 01:08:14
● 2026-03-23 15:07:04

○A137.175.78.1072021-11-13 → 2021-11-13 · 4 obs

○ 2018-05-13 03:22:00
● 2021-11-13 20:02:50
○ 2026-03-23 01:08:14
○ 2026-03-23 15:07:04

○A140.82.61.902018-05-13 → 2018-05-13 · 3 obs

● 2018-05-13 03:22:00
○ 2021-11-13 20:02:50
○ 2026-03-23 15:07:04

🔍 DNS Trace

Analysis

Name Servers

ctt-lab.com has two name servers: dns7.hichina.com and dns8.hichina.com.

ctt-lab.com shares the same name server setup as other domains, for example daxinxi.cn, appmine.cn, alaskaseafood-china.com, rao.pw and ilink-point.com.

ctt-lab.com shares name servers with other domains to some extent, for example yyjt.org and hksc888.com.

Host names with nine IP numbers:

dns7.hichina.com points to 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns8.hichina.com points to 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

ctt-lab.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

ctt-lab.com shares some mail servers with other domains, at least partially; for instance cqzrbg.com, silkroad24.de, dakumar.com, torador.com and adstic.net.

these mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.

Host names with two IP numbers: mx3.qiye.aliyun.com points to: 47.246.136.231 and 47.246.137.47.

Host names with one IP number: mx1.qiye.aliyun.com points to: 47.246.137.47; mx2.qiye.aliyun.com points to: 47.246.136.231.

Host names that point to 47.246.136.231: mx3.qiye.aliyun.com and mx2.qiye.aliyun.com.

Host names that point to 47.246.137.47: mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.

ctt-lab.com - robtex.com

ctt-lab.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

Analysis

Name Servers

Mail Servers

`ctt-lab.com`

`com`