`db4a.cn`

DNSSEC	⚠️ Not signed
A	8.217.189.1^{🇭🇰 Alibaba-Cloud8.217.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 51 Bras Basah Road 04-08 Lazada One Singapore 189554}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-251.defastlink.net`
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1767056219

`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=2034546407

Same first word

db4a.cn

db4a.com

Similar names

4dba.de

ab4d.com

bad4.us

bad4.biz

4bad.de

dba4.tw

d4ab.com

dab4.com

adb4.com

4dba.com

a4bd.co.uk

4abd.com

ab4d.net

dba4.ru.com

b4da.com

4bad.fr

bad4.com

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a4bd.com

DNS History

5 records (5 active, 0 former)

●NSns1.judns.com2026-03-19 → 2026-03-20 · 2 obs

● 2026-03-19 11:34:26
● 2026-03-20 11:30:48

●NSns1.julydns.com2026-03-19 → 2026-03-20 · 2 obs

● 2026-03-19 11:34:26
● 2026-03-20 11:30:48

●NSns2.judns.com2026-03-19 → 2026-03-20 · 2 obs

● 2026-03-19 11:34:26
● 2026-03-20 11:30:48

●NSns2.julydns.com2026-03-19 → 2026-03-20 · 2 obs

● 2026-03-19 11:34:26
● 2026-03-20 11:30:48

●A8.217.189.12026-03-19 → 2026-03-20 · 2 obs

● 2026-03-19 11:34:26
● 2026-03-20 11:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
db4a.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server: 162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for db4a.cn (unsigned zone)

⏱️ Timing

Total: 4829ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.217.189.1`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

db4a.cn resolves to one IP number: 8.217.189.1.

other host names including yusheng0808.com, kmaps.cn, www.shcygold.com, www.xuzz.cn and xcpzdn.fobll.cn share IP numbers with db4a.cn.

Name Servers

db4a.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

db4a.cn at least partially shares name servers with other domains, for instance umdtm.cn, qkfscl.com, flhyyz.com, yzrbna.cn and y80s.com.cn.