tchlearning.com - dns.ninja

`tchlearning.com`

DNSSEC	⚠️ Not signed
A	114.86.230.42^{🇨🇳 SHANGHAITELECOM114.86.128.0/17 Chinanet Shanghai}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns17.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns18.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772292976

`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=1786646844

Same first word

tchlearning.com

Similar names

thclearning.com

nightlancer.com

nhctriangle.com

hctlearning.ie

DNS History

15 records (6 active, 9 former)

●NSns11.xincache.com2026-03-21 → 2026-08-13 · 3 obs

○ 2015-05-29 09:09:18
● 2026-03-21 15:25:42
● 2026-08-13 18:50:26

●NSns17.xincache.com2015-05-29 → 2026-08-13 · 2 obs

● 2015-05-29 09:09:18
● 2026-08-13 18:50:26

●NSns18.xincache.com2015-05-29 → 2026-08-13 · 2 obs

● 2015-05-29 09:09:18
● 2026-08-13 18:50:26

○MXalt1.aspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs

● 2015-05-29 09:09:18
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-08-13 18:50:26

○MXalt2.aspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs

● 2015-05-29 09:09:18
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-08-13 18:50:26

○MXaspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs

● 2015-05-29 09:09:18
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-08-13 18:50:26

○MXaspmx2.googlemail.com2015-05-29 → 2016-09-21 · 4 obs

● 2015-05-29 09:09:18
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-08-13 18:50:26

○MXaspmx3.googlemail.com2015-05-29 → 2016-09-21 · 4 obs

● 2015-05-29 09:09:18
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-08-13 18:50:26

○MXmx-n.global-mail.cn2017-07-01 → 2017-07-01 · 4 obs

○ 2016-09-21 23:48:22
● 2017-07-01 23:24:50
○ 2026-03-21 15:25:42
○ 2026-08-13 18:50:26

○MXmx1-n.global-mail.cn2017-07-01 → 2017-07-01 · 4 obs

○ 2016-09-21 23:48:22
● 2017-07-01 23:24:50
○ 2026-03-21 15:25:42
○ 2026-08-13 18:50:26

●MXmxc.global-mail.cn2026-03-21 → 2026-08-13 · 3 obs

○ 2017-07-01 23:24:50
● 2026-03-21 15:25:42
● 2026-08-13 18:50:26

○MXmxf.global-mail.cn2026-03-21 → 2026-08-13 · 2 obs

○ 2026-03-21 15:25:42
○ 2026-08-13 18:50:26

○MXmxf1.global-mail.cn2026-03-21 → 2026-08-13 · 2 obs

○ 2026-03-21 15:25:42
○ 2026-08-13 18:50:26

●MXmxu.global-mail.cn2026-03-21 → 2026-08-13 · 3 obs

○ 2017-07-01 23:24:50
● 2026-03-21 15:25:42
● 2026-08-13 18:50:26

●A114.86.230.422015-05-29 → 2026-08-13 · 2 obs

● 2015-05-29 09:09:18
● 2026-08-13 18:50:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tchlearning.com	ns17.xincache.com, ns18.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns17.xincache.com, ns18.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tchlearning.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`114.86.230.42`
NS	2	`ns17.xincache.com, ns18.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns17.xincache.com, ns17.xincache.com, ns17.xincache.com...)

Analysis

IP Addresses

tchlearning.com resolves to just one IP address, 114.86.230.42.

Name Servers

tchlearning.com is served by three name servers: ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.

At least some of tchlearning.com's name servers are shared with other domains, for example chuangxing.com.cn, tongzhong.cn, yjvast.com and two more.

These name servers tend to co-occur with ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 7 other name servers in the same DNS delegations.

DNS names with 8 IP addresses:

ns11.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

ns17.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

DNS names with 7 IP addresses:

ns18.xincache.com maps to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 additional IP addresses.

ns11.xincache.com and ns17.xincache.com each have 2402:4e00:1470:2::e IP addresses.

ns11.xincache.com and ns17.xincache.com each have 2402:4e00:1730::e IP addresses.

ns11.xincache.com and ns17.xincache.com each have 1.12.0.4 IP addresses.

ns11.xincache.com and ns17.xincache.com each have 36.155.149.180 IP addresses.

ns11.xincache.com and ns17.xincache.com each have 112.80.181.45 IP addresses.

ns11.xincache.com and ns17.xincache.com each have 117.89.178.173 IP addresses.

ns11.xincache.com and ns17.xincache.com each have 125.94.59.210 IP addresses.

ns11.xincache.com and ns17.xincache.com each have 129.211.176.209 IP addresses.

Mail Servers

tchlearning.com is served by two mail servers, mxc.global-mail.cn and mxu.global-mail.cn.

Among the domains sharing a mail server setup with tchlearning.com are britechs.com, ihccs.com, macerlighting.com and two others.

There is at least a partial MX overlap between tchlearning.com and other domains, including hinjunlighting.com, uniteasia.com, ojeanc.com and two others.

These mail servers often co-occur with the mail servers mxf.global-mail.cn.

Each of mxc.global-mail.cn and mxu.global-mail.cn has one IP address: mxc.global-mail.cn uses 101.36.121.182 and mxu.global-mail.cn uses 117.50.223.79.