`codeedu.cn`

	CNAME	`codeedu.cn.s2-web.dogedns.com`
	CNAME	`codeedu.cn.cdn.dnsv1.com.cn`
	CNAME	`avqm4u5a.sched.sma.tdnsstic1.cn`
	DNSSEC	⚠️ Not signed
	A	14.204.50.238^{🇨🇳 CHINA169-Backbone14.204.0.0/15 China Unicom Yunnan Province Network}
	A	59.83.212.226^{🇨🇳 CHINA169-Backbone59.83.192.0/19 route of Chinaunicom}
	A	119.167.249.58^{🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network}
	A	122.188.45.51^{🇨🇳 CHINA169-Backbone122.188.0.0/14 China Unicom Hubei Province Network}
	A	122.188.45.182^{🇨🇳 CHINA169-Backbone122.188.0.0/14 China Unicom Hubei Province Network}
	A	123.6.42.122^{🇨🇳 CHINA169-Backbone123.4.0.0/14 CNC Group CHINA169 Henan Province Network}
	A	124.95.136.140^{🇨🇳 CHINA169-Backbone124.92.0.0/14 CNC Group CHINA169 Liaoning Province Network}
	A	218.61.165.129^{🇨🇳 CHINA169-Backbone218.61.0.0/16 CMI (Customer Route)}

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034771700

Same first word

codeedu.net

codeedu.cn

Similar names

decodeu.com

decodeu.net.au

udecode.net

educode.be

educode.tech

decodeu.eu

decodeu.co.nz

educode.org

deoduce.org

decodeu.net

decodeu.com.au

educode.nl

educode.cc

educode.net

decodeu.me

educode.us

educode.com

educode.fr

duecode.com

decodeu.co.uk

educode.eu

ecodude.com

educode.fi

decodeu.org

udecode.com

eduedoc.com

educode.pl

DNS History

6 records (3 active, 3 former)

○NSdns10.hichina.com2015-06-22 → 2018-10-26 · 4 obs

● 2015-06-22 23:32:18
● 2018-10-26 02:40:58
○ 2026-04-23 09:02:22
○ 2026-05-09 17:47:00

○NSdns9.hichina.com2015-06-22 → 2018-10-26 · 4 obs

● 2015-06-22 23:32:18
● 2018-10-26 02:40:58
○ 2026-04-23 09:02:22
○ 2026-05-09 17:47:00

●NSfrank.dnspod.net2026-04-23 → 2026-05-09 · 3 obs

○ 2018-10-26 02:40:58
● 2026-04-23 09:02:22
● 2026-05-09 17:47:00

●NSold.dnspod.net2026-04-23 → 2026-05-09 · 3 obs

○ 2018-10-26 02:40:58
● 2026-04-23 09:02:22
● 2026-05-09 17:47:00

○A223.26.60.2172015-11-01 → 2016-02-08 · 4 obs

● 2015-11-01 03:30:56
● 2016-02-08 03:48:28
○ 2016-05-07 07:20:08
○ 2026-05-09 17:47:00

●CNAMEcodeedu.cn.s2-web.dogedns.com2026-04-23 → 2026-05-09 · 2 obs

● 2026-04-23 09:02:22
● 2026-05-09 17:47:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn...	-
codeedu.cn	old.dnspod.net, frank.dnspod.net	-

✅ Authoritative Response

Server:111.206.98.235

NS records: old.dnspod.net, frank.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeedu.cn (unsigned zone)

⏱️ Timing

Total: 1229ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`old.dnspod.net, frank.dnspod.net`
CNAME	1	`codeedu.cn.s2-web.dogedns.com`
SOA	1	`old.dnspod.net freednsadmin.dnspod.com`

Analysis

IP Addresses

Eight IP numbers are pointed to by codeedu.cn: 14.204.50.238, 59.83.212.226, 119.167.249.58, 122.188.45.51, 122.188.45.182, 123.6.42.122, 124.95.136.140 and 218.61.165.129.

Other host names such as ly695ajc.sched.sma.tdnsstic1.cn, 441415.sched.sma.tdnsstic1.cn, 5sw6g05w.sched.sma.tdnsstic1.cn, opistdw6.sched.sma.tdnsstic1.cn and ep2tvmjn.sched.sma-dk.tdnsv7.com share IPs with codeedu.cn.

codeedu.cn - robtex.com

codeedu.cn

cn