`pcb-world.com`

DNSSEC	⚠️ Not signed
A	123.59.154.172^{🇨🇳 CHINA169-BJ123.59.128.0/19 CloudVsp.Inc}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce1.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce2.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
			PTR	`ip-220-196-136-35.defastlink.net`
MX	`mxf1.zmail300.cn` ⭐
		A	117.50.175.134^{🇨🇳 CHINA169-BJ117.50.160.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`51xgm.com`
			PTR	`hhseek.com`
MX	`mxv.zmail300.cn`⁽¹⁰⁾
		A	152.32.192.120^{🇭🇰 UCLOUD-1152.32.192.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxf.zmail300.cn`⁽⁵⁰⁾
		A	101.237.133.34^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
MX	`mxw.zmail300.cn`⁽⁵⁰⁾
		A	101.237.133.34^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
TXT	`v=spf1 include:spfv.zmail300.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1732073811

`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=1771291435

Up

www.pcb-world.com

Same first word

pcb-world.com

DNS History

13 records (8 active, 5 former)

●NSce1.xincache.com2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

●NSce2.xincache.com2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

○NSns1.ce.net.cn2015-08-05 → 2017-04-01 · 4 obs

● 2015-08-05 02:54:08
● 2017-04-01 22:51:34
○ 2026-02-26 13:27:10
○ 2026-02-26 23:26:16

●NSns11.xincache.com2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

○MXmx.zmail300.cn2015-08-05 → 2017-04-01 · 4 obs

● 2015-08-05 02:54:08
● 2017-04-01 22:51:34
○ 2026-02-26 13:27:10
○ 2026-02-26 23:26:16

○MXmx1.zmail300.cn2015-08-05 → 2017-04-01 · 4 obs

● 2015-08-05 02:54:08
● 2017-04-01 22:51:34
○ 2026-02-26 13:27:10
○ 2026-02-26 23:26:16

●MXmxf.zmail300.cn2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

●MXmxf1.zmail300.cn2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

●MXmxv.zmail300.cn2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

●MXmxw.zmail300.cn2026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

○A106.185.26.1592017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-11 15:07:22
● 2017-04-01 22:51:34
○ 2026-02-26 13:27:10
○ 2026-02-26 23:26:16

○A121.14.65.2132015-08-05 → 2016-07-11 · 4 obs

● 2015-08-05 02:54:08
● 2016-07-11 15:07:22
○ 2017-04-01 22:51:34
○ 2026-02-26 23:26:16

●A123.59.154.1722026-02-26 → 2026-02-26 · 3 obs

○ 2017-04-01 22:51:34
● 2026-02-26 13:27:10
● 2026-02-26 23:26:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
pcb-world.com	ce1.xincache.com, ce2.xincache.com	9 records

✅ Authoritative Response

Server: 1.12.0.4

NS records: ce1.xincache.com, ce2.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pcb-world.com (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.59.154.172`
NS	2	`ce2.xincache.com, ce1.xincache.com`
MX	4	`mxf.zmail300.cn (pri: 5), mxv.zmail300.cn (pri: 10)...`
TXT	1	`v=spf1 include:spfv.zmail300.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ce1.xincache.com, ce1.xincache.com, ce1.xincache.com...)

AI analysis

pcb-world.com is the parent of www.pcb-world.com.

pcb-world.com points to a single IP number: 123.59.154.172.

other host names for instance bkraudio.com, bestchainwheel.com, wxdongli.com, xmadz.com and julicom.cn share IP numbers with pcb-world.com.

pcb-world.com is delegated to three name servers: ce1.xincache.com, ce2.xincache.com and ns11.xincache.com.

pcb-world.com at least partially shares name servers with other domains, for instance sfksr.com, huitongtools.com, mosesmark.com, china-gwy.com and shachuan.cn.

These name servers are commonly used with the name servers ns12.xincache.com, ns19.xincache.com, ns20.xincache.com, ns17.xincache.com, ns18.xincache.com, ns13.xincache.com, ns14.xincache.com, ns15.xincache.com and ns16.xincache.com.

Host names with eight IP numbers: ns11.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host names with seven IP numbers: ce1.xincache.com points to 2402:4e00:1470:2::e, 1.12.0.4, 112.80.181.45, 117.89.178.173, 117.135.128.235, 125.94.59.210 and 129.211.176.209.

Host names with six IP numbers: ce2.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 117.89.178.184, 117.135.128.235, 129.211.176.239 and 220.196.136.35.

Hosts that point to 2402:4e00:1470:2::e, 1.12.0.4, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209: ns11.xincache.com and ce1.xincache.com.

Hosts that point to 117.135.128.235: ce1.xincache.com and ce2.xincache.com.

Four mail servers handle pcb-world.com: mxf1.zmail300.cn, mxf.zmail300.cn, mxv.zmail300.cn and mxw.zmail300.cn.

pcb-world.com shares mail servers with other domains at least partially, including hhometex.com, jt-resin.com, epinauto.com, cn-sdkema.com and enmatex.com.