codeclassroom.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codeclassroom.org`

DNSSEC	⚠️ Not signed
A	39.105.5.144^{🇨🇳 Alibaba-Cloud39.104.0.0/15 CT BeiJing IDC}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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,}
		A	139.224.142.122^{🇨🇳 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,}
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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,}
		A	139.224.142.121^{🇨🇳 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,}
MX	`mxn.mxhichina.com` ⭐
		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}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-08-26 #16

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1788457293

Same first word

codeclassroom.com

codeclassroom.net

codeclassroom.cc

codeclassroom.dev

codeclassroom.org

Similar names

classroomcode.com

Previous names

Next names

DNS History

11 records (5 active, 6 former)

●NSdns10.hichina.com2016-03-22 → 2026-09-03 · 3 obs

○ 2015-12-04 03:19:56
● 2016-03-22 22:41:16
● 2026-09-03 17:58:40

●NSdns9.hichina.com2016-03-22 → 2026-09-03 · 3 obs

○ 2015-12-04 03:19:56
● 2016-03-22 22:41:16
● 2026-09-03 17:58:40

○NSns51.domaincontrol.com2015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 02:57:40
● 2015-12-04 03:19:56
○ 2016-03-22 22:41:16
○ 2026-09-03 17:58:40

○NSns52.domaincontrol.com2015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 02:57:40
● 2015-12-04 03:19:56
○ 2016-03-22 22:41:16
○ 2026-09-03 17:58:40

○MXmailstore1.secureserver.net2015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 02:57:40
● 2015-12-04 03:19:56
○ 2016-03-22 22:41:16
○ 2026-09-03 17:58:40

●MXmxn.mxhichina.com2016-03-22 → 2026-09-03 · 6 obs

○ 2015-12-04 03:19:56
● 2016-03-22 22:41:16
● 2017-04-02 13:43:10
○ 2026-08-30 09:13:28
● 2026-08-30 14:14:54
● 2026-09-03 17:58:40

●MXmxw.mxhichina.com2016-03-22 → 2026-09-03 · 6 obs

○ 2015-12-04 03:19:56
● 2016-03-22 22:41:16
● 2017-04-02 13:43:10
○ 2026-08-30 09:13:28
● 2026-08-30 14:14:54
● 2026-09-03 17:58:40

○MXsmtp.secureserver.net2015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 02:57:40
● 2015-12-04 03:19:56
○ 2016-03-22 22:41:16
○ 2026-09-03 17:58:40

○A101.201.146.272016-03-22 → 2017-04-02 · 5 obs

○ 2015-12-04 03:19:56
● 2016-03-22 22:41:16
● 2017-04-02 13:43:10
○ 2026-08-30 09:13:28
○ 2026-09-03 17:58:40

●A39.105.5.1442026-08-30 → 2026-09-03 · 3 obs

○ 2026-08-30 09:13:28
● 2026-08-30 14:14:54
● 2026-09-03 17:58:40

○A50.62.116.12015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 02:57:40
● 2015-12-04 03:19:56
○ 2016-03-22 22:41:16
○ 2026-09-03 17:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
codeclassroom.org	dns10.hichina.com, dns9.hichina.com	-

✅ Authoritative Response

Server:47.118.199.201

NS records: dns10.hichina.com, dns9.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeclassroom.org (unsigned zone)

⏱️ Timing

Total: 1380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.105.5.144`
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

codeclassroom.org resolves to one IP address: 39.105.5.144.

Name Servers

DNS delegation for codeclassroom.org points to two name servers: dns10.hichina.com and dns9.hichina.com.

codeclassroom.org uses the same name servers as several other domains — among them vees.cn, t8r2e6w0q4a.cyou, fudanhealth.com and two more.

codeclassroom.org at least partially shares name servers with other domains, including unitoday.com, fusionio.net, myspace.com.cn and dsubu.com.

These name servers are frequently paired with the name servers ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com has IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, plus 6 other.

dns9.hichina.com has IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, plus 6 other.

Mail Servers

Mail for codeclassroom.org is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.

codeclassroom.org uses an identical mail server configuration to several other domains — among them slpiliao.com, aim-o.com, 36qq.com and two more.

codeclassroom.org has at least partial mail server overlap with other domains such as jupinbao.cn, sdsealant.com, xtsmedical.com and two more.

These mail servers are frequently paired with the mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com has two IP addresses: 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mxw.mxhichina.com directs to 47.246.99.195.