tchlearning.com - robtex.com
tchlearning.com
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.netnstld@verisign-grs.com serial=1777005416 | ||||||
Same first word
tchlearning.com |
Similar names
DNS History
15 records (6 active, 9 former)
●NSns11.xincache.com2026-03-21 → 2026-04-24 · 3 obs
● 2026-03-21 15:25:42
● 2026-04-24 04:54:20
●NSns17.xincache.com2015-05-29 → 2026-04-24 · 2 obs
● 2026-04-24 04:54:20
●NSns18.xincache.com2015-05-29 → 2026-04-24 · 2 obs
● 2026-04-24 04:54:20
○MXalt1.aspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-04-24 04:54:20
○MXalt2.aspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-04-24 04:54:20
○MXaspmx.l.google.com2015-05-29 → 2016-09-21 · 4 obs
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-04-24 04:54:20
○MXaspmx2.googlemail.com2015-05-29 → 2016-09-21 · 4 obs
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-04-24 04:54:20
○MXaspmx3.googlemail.com2015-05-29 → 2016-09-21 · 4 obs
● 2016-09-21 23:48:22
○ 2017-07-01 23:24:50
○ 2026-04-24 04:54:20
○MXmx-n.global-mail.cn2017-07-01 → 2017-07-01 · 4 obs
● 2017-07-01 23:24:50
○ 2026-03-21 15:25:42
○ 2026-04-24 04:54:20
○MXmx1-n.global-mail.cn2017-07-01 → 2017-07-01 · 4 obs
● 2017-07-01 23:24:50
○ 2026-03-21 15:25:42
○ 2026-04-24 04:54:20
●MXmxc.global-mail.cn2026-03-21 → 2026-04-24 · 3 obs
● 2026-03-21 15:25:42
● 2026-04-24 04:54:20
○MXmxf.global-mail.cn2026-03-21 → 2026-04-24 · 2 obs
○ 2026-04-24 04:54:20
○MXmxf1.global-mail.cn2026-03-21 → 2026-04-24 · 2 obs
○ 2026-04-24 04:54:20
●MXmxu.global-mail.cn2026-03-21 → 2026-04-24 · 3 obs
● 2026-03-21 15:25:42
● 2026-04-24 04:54:20
●A114.86.230.422015-05-29 → 2026-04-24 · 2 obs
● 2026-04-24 04:54:20
🔍 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:1.12.0.1
NS records: ns17.xincache.com, ns18.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tchlearning.com (unsigned zone)
⏱️ Timing
Total: 240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.86.230.42 |
| NS | 2 | ns18.xincache.com, ns17.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 points to IP number: 114.86.230.42.
Name Servers
tchlearning.com is delegated to three name servers: ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.
tchlearning.com at least partially shares name servers with other domains, for instance tongzhong.cn, yjvast.com, zjmuex.com, tzyt.net and hb-yiqiang.com.
These name servers are commonly used alongside ns12.xincache.com, ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ce1.xincache.com, ce2.xincache.com, ns15.xincache.com, ns16.xincache.com and f1g1ns1.dnspod.net.
Host names with eight IP numbers:
ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
ns17.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Host names with seven IP numbers:
ns18.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns17.xincache.com.
Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns17.xincache.com.
Host names that point to 1.12.0.4: ns11.xincache.com and ns17.xincache.com.
Host names that point to 36.155.149.180: ns11.xincache.com and ns17.xincache.com.
Host names that point to 112.80.181.45: ns11.xincache.com and ns17.xincache.com.
Host names that point to 117.89.178.173: ns11.xincache.com and ns17.xincache.com.
Host names that point to 125.94.59.210: ns11.xincache.com and ns17.xincache.com.
Host names that point to 129.211.176.209: ns11.xincache.com and ns17.xincache.com.
Mail Servers
tchlearning.com is handled by two mail servers: mxc.global-mail.cn and mxu.global-mail.cn.
The mail server setup for tchlearning.com matches that of other domains, for instance britechs.com, ihccs.com, autolyp.us, uucap.com and ocean-online.com.
tchlearning.com shares some mail servers with other domains, at least partially, for example uniteasia.com, ojeanc.com, ocishanghai.com and cyvalve.com.
these mail servers are commonly used together with mxf.global-mail.cn.
Host names with a single IP:
mxc.global-mail.cn points to 101.36.121.182.
mxu.global-mail.cn points to 117.50.223.79.