`workpcb.cn`

DNSSEC	⚠️ Not signed
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 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	`mx01.dm.aliyun.com` ⭐
		A	59.82.33.237^{🇨🇳 Alibaba-Cloud59.82.32.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
TXT	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	⚠️ Not signed
	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=2034598115

Same first word

workpcb.com

workpcb.net

workpcb.com.cn

workpcb.cn

Similar names

pcbwork.net

pcbwork.com

pbcwork.com

bwkcrop.com

bkwcorp.com

DNS History

5 records (3 active, 2 former)

●NSdns19.hichina.com2015-07-22 → 2026-03-28 · 2 obs

● 2015-07-22 20:16:12
● 2026-03-28 09:06:40

●NSdns20.hichina.com2015-07-22 → 2026-03-28 · 2 obs

● 2015-07-22 20:16:12
● 2026-03-28 09:06:40

●MXmx01.dm.aliyun.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 11:07:58
● 2026-03-28 09:06:40

○A115.47.16.562017-05-21 → 2017-05-21 · 4 obs

○ 2016-08-05 14:04:52
● 2017-05-21 10:29:58
○ 2026-03-27 11:07:58
○ 2026-03-28 09:06:40

○A203.158.16.1562015-07-22 → 2016-08-05 · 4 obs

● 2015-07-22 20:16:12
● 2016-08-05 14:04:52
○ 2017-05-21 10:29:58
○ 2026-03-28 09:06:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
workpcb.cn	dns19.hichina.com, dns20.hichina.com	-

✅ Authoritative Response

Server:39.96.153.40

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workpcb.cn (unsigned zone)

⏱️ Timing

Total: 6381ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns20.hichina.com, dns19.hichina.com`
MX	1	`mx01.dm.aliyun.com (pri: 10)`
TXT	1	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

workpcb.cn is delegated to two name servers dns19.hichina.com and dns20.hichina.com.

workpcb.cn shares the same name server setup as other domains, for instance saosu.cn, chengbangauto.com, icemall.cn, baibangzi.com and o-o.xyz.

workpcb.cn at least partially shares name servers with other domains, for instance mediaempire.com.cn, bestemployer.org, forjus.com, chinalet.cn and presa.cn.

these name servers are often used together with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns19.hichina.com points to: 2408:4009:501::27, 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.

dns20.hichina.com points to: 2408:4009:501::28, 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

workpcb.cn is handled by a single mail server, mx01.dm.aliyun.com.

workpcb.cn shares the same mail server setup as other domains, for instance otuxu.com, mail.sodig.com, 5syw.cn, shca-inc.com and sdcmsa.com.

workpcb.cn shares some mail servers with other domains, at least partially, for instance gptimeless.com, gushiwen.org, dental-genuine.com, kylinmobi.com and mwigs.com.

these mail servers are often used alongside mxn.mxhichina.com, mxw.mxhichina.com and mxbiz2.qq.com.

mx01.dm.aliyun.com resolves to IP 59.82.33.237.

workpcb.cn - robtex.com

workpcb.cn

cn