`codewalking.com`

DNSSEC	⚠️ Not signed
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=xGpG2yx4ZuLqnuzyNbKI`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1774391212

Same first word

codewalking.com

Similar names

walkingcode.com

knowledgica.com

DNS History

9 records (5 active, 4 former)

○NSdns10.hichina.com2016-07-23 → 2016-07-23 · 3 obs

● 2016-07-23 04:25:28
○ 2020-01-25 21:22:48
○ 2026-03-24 22:40:14

●NSdns21.hichina.com2026-03-13 → 2026-03-24 · 3 obs

○ 2020-01-25 21:22:48
● 2026-03-13 05:33:06
● 2026-03-24 22:40:14

●NSdns22.hichina.com2026-03-13 → 2026-03-24 · 3 obs

○ 2020-01-25 21:22:48
● 2026-03-13 05:33:06
● 2026-03-24 22:40:14

○NSdns9.hichina.com2016-07-23 → 2016-07-23 · 3 obs

● 2016-07-23 04:25:28
○ 2020-01-25 21:22:48
○ 2026-03-24 22:40:14

●MXmx1.feishu.cn2026-03-13 → 2026-03-24 · 3 obs

○ 2020-01-25 21:22:48
● 2026-03-13 05:33:06
● 2026-03-24 22:40:14

●MXmx2.feishu.cn2026-03-13 → 2026-03-24 · 3 obs

○ 2020-01-25 21:22:48
● 2026-03-13 05:33:06
● 2026-03-24 22:40:14

●MXmx3.feishu.cn2026-03-13 → 2026-03-24 · 3 obs

○ 2020-01-25 21:22:48
● 2026-03-13 05:33:06
● 2026-03-24 22:40:14

○MXmxn.mxhichina.com2016-07-23 → 2016-07-23 · 3 obs

● 2016-07-23 04:25:28
○ 2020-01-25 21:22:48
○ 2026-03-24 22:40:14

○MXmxw.mxhichina.com2016-07-23 → 2016-07-23 · 3 obs

● 2016-07-23 04:25:28
○ 2020-01-25 21:22:48
○ 2026-03-24 22:40:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...	-
codewalking.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codewalking.com (unsigned zone)

⏱️ Timing

Total: 522ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=xGpG2y, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Name Servers

codewalking.com's delegation uses two name servers: dns21.hichina.com and dns22.hichina.com.

codewalking.com uses the same name server setup as other domains, such as holdonpretty.com, haojyd.com, bhsq.net, changxiangle.com and szasto.com.

Host names with nine IP numbers: The host name dns21.hichina.com points to 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110. The host name dns22.hichina.com points to 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

Three mail servers handle codewalking.com: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

codewalking.com shares at least some mail servers with other domains, for example imagezy.com, gzcdt.cn, clouddye.com, iflytop.com and shdyylrq.com.