`xkcedu.org`

DNSSEC	⚠️ Not signed
A	43.230.142.125^{🇵🇸 PALTEL-AS43.230.142.0/24}
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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1776000521

Subdomains

s.xkcedu.org

Same first word

xkcedu.org

Similar names

exduck.com

ckxedu.com

DNS History

7 records (5 active, 2 former)

●NSdns21.hichina.com2020-03-14 → 2026-04-12 · 3 obs

○ 2017-04-24 06:16:34
● 2020-03-14 20:11:24
● 2026-04-12 13:43:00

●NSdns22.hichina.com2020-03-14 → 2026-04-12 · 3 obs

○ 2017-04-24 06:16:34
● 2020-03-14 20:11:24
● 2026-04-12 13:43:00

○NSns1.companydns.com2015-08-11 → 2017-04-24 · 4 obs

● 2015-08-11 09:34:38
● 2017-04-24 06:16:34
○ 2020-03-14 20:11:24
○ 2026-04-12 13:43:00

○NSns2.companydns.com2015-11-17 → 2017-04-24 · 5 obs

○ 2015-08-11 09:34:38
● 2015-11-17 08:54:24
● 2017-04-24 06:16:34
○ 2020-03-14 20:11:24
○ 2026-04-12 13:43:00

●MXmxbiz1.qq.com2015-08-11 → 2026-04-12 · 2 obs

● 2015-08-11 09:34:38
● 2026-04-12 13:43:00

●MXmxbiz2.qq.com2015-08-11 → 2026-04-12 · 2 obs

● 2015-08-11 09:34:38
● 2026-04-12 13:43:00

●A43.230.142.1252020-03-14 → 2026-04-12 · 2 obs

● 2020-03-14 20:11:24
● 2026-04-12 13:43:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
xkcedu.org	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:39.96.153.60

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xkcedu.org (unsigned zone)

⏱️ Timing

Total: 1273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.230.142.125`
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

Analysis

Hierarchy

xkcedu.org is the parent of s.xkcedu.org.

IP Addresses

xkcedu.org resolves to a single IP: 43.230.142.125.

Other host names, for instance cssc.org.cn, www.hydrowholesale.com, derunwrap.com, xbhys.com and anchor-china.com share IP numbers with xkcedu.org.

Name Servers

xkcedu.org has two name servers: dns21.hichina.com and dns22.hichina.com.

xkcedu.org shares the same name server setup as other domains, for example gryb.cn, 30119.cn, sqsh.com, ymh.net and ooat.cn.

xkcedu.org at least partially shares name servers with other domains; for example bouna.com and ffssg.com; uqdevices.cn and ggsp.cn.

These name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

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.

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

xkcedu.org is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

xkcedu.org shares the mail server setup with other domains, for example new-tech.com.cn, image-electronics.net, chinacalla.com, esaerotek.com and cpem.org.cn.

xkcedu.org shares some mail servers with other domains, at least partially; for instance gd-hh.com, yybos.com, feifanfanli.com, sx-she.com and 99num.com.

xkcedu.org - robtex.com

xkcedu.org

org