`circuitboardtechnologies.com.cn`

DNSSEC	⚠️ Not signed
A	204.74.99.100^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
		PTR	`crs.ultradns.net`
NS	`pdns216.ultradns.com` ⭐
		A	2001:502:f3ff::fc^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns216.ultradns.com`
		A	156.154.64.216^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns216.ultradns.com`
NS	`pdns216.ultradns.biz`
		A	2610:a1:1015::fc^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns216.ultradns.biz`
		A	156.154.66.216^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns216.ultradns.biz`
NS	`pdns216.ultradns.net`
		A	2610:a1:1014::fc^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns216.ultradns.net`
		A	156.154.65.216^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns216.ultradns.net`
NS	`pdns216.ultradns.org`
		A	2001:502:4612::fc^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns216.ultradns.org`
		A	156.154.67.216^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns216.ultradns.org`
SOA	`pdns216.ultradns.com`contact@dupont.com 2018-11-15 #3

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030679866

WOT: NOT_SAFE (20/100)

Same first word

circuitboardtechnologies.com.cn

circuitboardtechnologies.us

DNS History

5 records (5 active, 0 former)

●NSpdns216.ultradns.biz2026-07-03 → 2026-07-11 · 2 obs

● 2026-07-03 11:35:34
● 2026-07-11 06:09:50

●NSpdns216.ultradns.com2026-07-03 → 2026-07-11 · 2 obs

● 2026-07-03 11:35:34
● 2026-07-11 06:09:50

●NSpdns216.ultradns.net2026-07-03 → 2026-07-11 · 2 obs

● 2026-07-03 11:35:34
● 2026-07-11 06:09:50

●NSpdns216.ultradns.org2026-07-03 → 2026-07-11 · 2 obs

● 2026-07-03 11:35:34
● 2026-07-11 06:09:50

●A204.74.99.1002026-07-03 → 2026-07-11 · 2 obs

● 2026-07-03 11:35:34
● 2026-07-11 06:09:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
circuitboardtechnologies.com.cn	pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org	-

✅ Authoritative Response

Server:156.154.65.216

NS records: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circuitboardtechnologies.com.cn (unsigned zone)

⏱️ Timing

Total: 2148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	4	`pdns216.ultradns.biz, pdns216.ultradns.com...`
SOA	1	`pdns216.ultradns.com contact.dupont.com`

Analysis

IP Addresses

circuitboardtechnologies.com.cn resolves to one IP address: 204.74.99.100.

heartlandspaymentsinsider.org, avenueshoesonline.net, runnels.rocketship.com and two other host names share IP numbers with circuitboardtechnologies.com.cn.

Name Servers

The authoritative name servers for circuitboardtechnologies.com.cn are pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.

circuitboardtechnologies.com.cn has at least partial name server overlap with other domains, such as triumphseeds.com, amberchrom.biz, 3301tankmix.com and two others.

pdns5.ultradns.info, pdns1.ultradns.net and pdns3.ultradns.org — plus 3 other name servers — are commonly paired with these name servers.

pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org all point to exactly two IP numbers each: pdns216.ultradns.biz → 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com → 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net → 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org → 156.154.67.216 and 2001:502:4612::fc.

circuitboardtechnologies.com.cn - robtex.com