🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codeclassroom.com`

CNAME	`sha1.cname.zeabur-dns.cn`
DNSSEC	⚠️ Not signed
A	121.37.158.208^{🇨🇳 HWCSNET121.37.128.0/19 Huawei Clouds Shanghai Region}
		PTR	`ecs-121-37-158-208.compute.hwclouds-dns.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.net`nstld@verisign-grs.com serial=1787389764

Same first word

codeclassroom.com

codeclassroom.net

codeclassroom.dev

Similar names

classroomcode.com

Previous names

Next names

DNS History

16 records (6 active, 10 former)

●NSclimate.dnspod.net2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

○NSf1g1ns1.dnspod.net2015-11-17 → 2017-11-10 · 5 obs

○ 2015-07-07 01:09:28
● 2015-11-17 02:11:30
● 2017-11-10 20:27:48
○ 2026-08-18 16:45:00
○ 2026-08-22 09:18:06

○NSf1g1ns2.dnspod.net2015-11-17 → 2017-11-10 · 5 obs

○ 2015-07-07 01:09:28
● 2015-11-17 02:11:30
● 2017-11-10 20:27:48
○ 2026-08-18 16:45:00
○ 2026-08-22 09:18:06

○NSns77.domaincontrol.com2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 01:09:28
○ 2015-11-17 02:11:30
○ 2026-08-22 09:18:06

○NSns78.domaincontrol.com2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 01:09:28
○ 2015-11-17 02:11:30
○ 2026-08-22 09:18:06

●NSturtle.dnspod.net2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

○MXmailstore1.secureserver.net2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 01:09:28
○ 2015-11-17 02:11:30
○ 2026-08-22 09:18:06

●MXmx.zoho.com2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

●MXmx2.zoho.com2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

●MXmx3.zoho.com2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

○MXmxdomain.qq.com2016-03-22 → 2017-11-10 · 5 obs

○ 2015-11-17 02:11:30
● 2016-03-22 14:56:34
● 2017-11-10 20:27:48
○ 2026-08-18 16:45:00
○ 2026-08-22 09:18:06

○MXsmtp.secureserver.net2015-07-07 → 2015-07-07 · 3 obs

● 2015-07-07 01:09:28
○ 2015-11-17 02:11:30
○ 2026-08-22 09:18:06

○A45.78.44.1122016-03-22 → 2016-07-26 · 5 obs

○ 2015-11-17 02:11:30
● 2016-03-22 14:56:34
● 2016-07-26 18:37:52
○ 2017-11-10 20:27:48
○ 2026-08-22 09:18:06

○A50.63.202.502015-07-07 → 2015-11-17 · 4 obs

● 2015-07-07 01:09:28
● 2015-11-17 02:11:30
○ 2016-03-22 14:56:34
○ 2026-08-22 09:18:06

○CNAMEdnspod-free.mydnspod.net2017-11-10 → 2017-11-10 · 3 obs

● 2017-11-10 20:27:48
○ 2026-08-18 16:45:00
○ 2026-08-22 09:18:06

●CNAMEsha1.cname.zeabur-dns.cn2026-08-18 → 2026-08-22 · 3 obs

○ 2017-11-10 20:27:48
● 2026-08-18 16:45:00
● 2026-08-22 09:18:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
codeclassroom.com	climate.dnspod.net, turtle.dnspod.net	-

✅ Authoritative Response

Server:111.13.13.35

NS records: climate.dnspod.net, turtle.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeclassroom.com (unsigned zone)

⏱️ Timing

Total: 745ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`turtle.dnspod.net, climate.dnspod.net`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`zoho-verification=zb96889051.zmverify.zo, v=spf1 include:zohomail.com ~all`
CNAME	1	`sha1.cname.zeabur-dns.cn`
SOA	1	`climate.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

codeclassroom.com points to a single IP number: 121.37.158.208.

simen.site and sha1.cname.zeabur-dns.cn are among other host names that share IP numbers with codeclassroom.com.

codeclassroom.com - robtex.com