`bydtech.cn`

DNSSEC	⚠️ Not signed
NS	`mns1.zdnscloud.com` ⚠️ Not in zone NS records
		A	240e:97c:3c:810::220^{🇨🇳 CHINANET-Guangdong-GuangZhou-IDC240e:97c::/36 GuangZhou IDC Network}
		A	14.116.247.220^{🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network}
NS	`mns2.zdnscloud.com` ⚠️ Not in zone NS records
		A	2408:8719:2500:0:e::46^{🇨🇳 CHINA169-Backbone2408:8719::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	119.167.244.46^{🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network}

`cn`

	DNSSEC	🔒 Signed (DS record present)
	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=2034591673

Same first word

bydtech.com

bydtech.cn

Similar names

dbytech.com

bdytech.com

DNS History

2 records (2 active, 0 former)

●NSmns1.zdnscloud.com2026-03-17 → 2026-03-27 · 2 obs

● 2026-03-17 07:20:36
● 2026-03-27 03:44:44

●NSmns2.zdnscloud.com2026-03-17 → 2026-03-27 · 2 obs

● 2026-03-17 07:20:36
● 2026-03-27 03:44:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
bydtech.cn	mns1.zdnscloud.com, mns2.zdnscloud.com	-

✅ Authoritative Response

Server:14.116.247.220

NS records: mns1.zdnscloud.com, mns2.zdnscloud.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bydtech.cn (unsigned zone)

⏱️ Timing

Total: 3383ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

bydtech.cn is delegated to two name servers: mns1.zdnscloud.com and mns2.zdnscloud.com.

bydtech.cn uses the same name server setup as other domains, including tyhi.cn, chinadailyglobal.com, csec.com, dataisa.cn and dewvut.com.

bydtech.cn partially shares name servers with other domains, for instance xiaoduzaijia.cn, xiaoduzaijia.com.cn, abolong.cn and robotgo.com.

these name servers are commonly used with ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info, ns4.brandshelter.net and ns5.brandshelter.us.

Host names with two IP numbers:

mns1.zdnscloud.com points to 240e:97c:3c:810::220 and 14.116.247.220.

mns2.zdnscloud.com points to 2408:8719:2500:0:e::46 and 119.167.244.46.

bydtech.cn - robtex.com

bydtech.cn

cn