learntothink.com.cn - robtex.com

learntothink.com.cn

CNAMEy21.yimaoip.com
DNSSEC⚠️ Not signed
A168.76.252.106🇿🇦 ASLINE-AS-AP168.76.252.0/24 Proxy-registered route object

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030485594
WOT: NOT_SAFE (20/100)

Same first word

learntothink.com.cn

DNS History

26 records (5 active, 21 former)

20162017201820192020202120222023202420252026NSns1.judns.comns1.julydns.comns2.judns.comns2.julydns.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netfixture.dnspod.netns1.365cyd.netns1.jiasule.netns1.kangdns.comns2.365cyd.netns2.jiasule.netns2.kangdns.comtaurus.dnspod.netA115.231.159.10115.231.159.11142.91.93.30180.97.180.226219.146.68.122219.146.68.123219.146.68.28CNAMEy21.yimaoip.com1st.attack.m.cdn30.comwsall.learntothink.com.cn.cdn20.comwsall.learntothink.com.cn.wscloudsec.com
○NS(root)2016-02-24 → 2017-01-23 · 5 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○NSf1g1ns1.dnspod.net2015-07-10 → 2026-03-27 · 7 obs
● 2015-07-10 11:19:20
● 2015-11-18 06:43:38
○ 2016-02-24 07:47:08
○ 2017-01-23 04:17:16
● 2026-03-27 17:48:18
○ 2026-03-29 15:53:36
○ 2026-03-29 23:25:18
○NSf1g1ns2.dnspod.net2015-07-10 → 2015-11-18 · 4 obs
● 2015-07-10 11:19:20
● 2015-11-18 06:43:38
○ 2016-02-24 07:47:08
○ 2026-03-29 23:25:18
○NSfixture.dnspod.net2026-03-27 → 2026-03-27 · 4 obs
○ 2017-01-23 04:17:16
● 2026-03-27 17:48:18
○ 2026-03-29 15:53:36
○ 2026-03-29 23:25:18
○NSns1.365cyd.net2016-02-24 → 2017-01-23 · 5 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○NSns1.jiasule.net2016-02-24 → 2017-01-23 · 5 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
●NSns1.judns.com2026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-27 17:48:18
● 2026-03-29 15:53:36
● 2026-03-29 23:25:18
●NSns1.julydns.com2026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-27 17:48:18
● 2026-03-29 15:53:36
● 2026-03-29 23:25:18
○NSns1.kangdns.com2017-01-23 → 2017-01-23 · 4 obs
○ 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○NSns2.365cyd.net2016-02-24 → 2017-01-23 · 5 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○NSns2.jiasule.net2016-02-24 → 2017-01-23 · 5 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
●NSns2.judns.com2026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-27 17:48:18
● 2026-03-29 15:53:36
● 2026-03-29 23:25:18
●NSns2.julydns.com2026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-27 17:48:18
● 2026-03-29 15:53:36
● 2026-03-29 23:25:18
○NSns2.kangdns.com2017-01-23 → 2017-01-23 · 4 obs
○ 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○NStaurus.dnspod.net2026-03-27 → 2026-03-27 · 4 obs
○ 2017-01-23 04:17:16
● 2026-03-27 17:48:18
○ 2026-03-29 15:53:36
○ 2026-03-29 23:25:18
○A115.231.159.102016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
○ 2016-05-06 07:13:12
○ 2026-03-29 23:25:18
○A115.231.159.112016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
○ 2016-05-06 07:13:12
○ 2026-03-29 23:25:18
○A142.91.93.302015-07-10 → 2015-11-18 · 4 obs
● 2015-07-10 11:19:20
● 2015-11-18 06:43:38
○ 2016-02-24 07:47:08
○ 2026-03-29 23:25:18
○A180.97.180.2262016-05-06 → 2016-05-06 · 4 obs
○ 2016-02-24 07:47:08
● 2016-05-06 07:13:12
○ 2017-01-23 04:17:16
○ 2026-03-29 23:25:18
○A219.146.68.1222016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
○ 2016-05-06 07:13:12
○ 2026-03-29 23:25:18
○A219.146.68.1232016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-18 06:43:38
● 2016-02-24 07:47:08
○ 2016-05-06 07:13:12
○ 2026-03-29 23:25:18
○A219.146.68.282016-05-06 → 2016-05-06 · 4 obs
○ 2016-02-24 07:47:08
● 2016-05-06 07:13:12
○ 2017-01-23 04:17:16
○ 2026-03-29 23:25:18
○CNAME1st.attack.m.cdn30.com2016-05-06 → 2016-05-06 · 4 obs
○ 2016-02-24 07:47:08
● 2016-05-06 07:13:12
○ 2017-01-23 04:17:16
○ 2026-03-29 23:25:18
○CNAMEwsall.learntothink.com.cn.cdn20.com2016-02-24 → 2017-01-23 · 4 obs
● 2016-02-24 07:47:08
● 2017-01-23 04:17:16
○ 2026-03-27 17:48:18
○ 2026-03-29 23:25:18
○CNAMEwsall.learntothink.com.cn.wscloudsec.com2016-02-24 → 2016-02-24 · 3 obs
● 2016-02-24 07:47:08
○ 2016-05-06 07:13:12
○ 2026-03-29 23:25:18
●CNAMEy21.yimaoip.com2026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-27 17:48:18
● 2026-03-29 15:53:36
● 2026-03-29 23:25:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnc.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...-
learntothink.com.cnns1.judns.com, ns2.judns.com-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntothink.com.cn (unsigned zone)

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.julydns.com, ns2.julydns.com
CNAME1y21.yimaoip.com
SOA1ns1.julydns.com master.jmdns.com

Analysis

IP Addresses

learntothink.com.cn maps to IP address 168.76.252.106.

Other host names, for example, y21.yimaoip.com share IP numbers with learntothink.com.cn.