`yuwhy.cn`

DNSSEC	⚠️ Not signed
A	154.91.188.6^{🇭🇰 AS400619154.91.184.0/21 arosscloud}
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=1757650769

`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

Subdomains

www.yuwhy.cn

Same first word

yuwhy.cn

Similar names

whyyu.com

DNS History

13 records (5 active, 8 former)

○NSdns10.hichina.com2018-08-18 → 2018-08-18 · 4 obs

○ 2017-01-31 01:25:40
● 2018-08-18 13:40:34
○ 2026-03-17 11:29:08
○ 2026-03-23 22:03:38

○NSdns9.hichina.com2018-08-18 → 2018-08-18 · 4 obs

○ 2017-01-31 01:25:40
● 2018-08-18 13:40:34
○ 2026-03-17 11:29:08
○ 2026-03-23 22:03:38

○NSns1.cnspeed.com2015-10-25 → 2017-01-31 · 4 obs

● 2015-10-25 02:29:40
● 2017-01-31 01:25:40
○ 2018-08-18 13:40:34
○ 2026-03-23 22:03:38

●NSns1.judns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2018-08-18 13:40:34
● 2026-03-17 11:29:08
● 2026-03-23 22:03:38

●NSns1.julydns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2018-08-18 13:40:34
● 2026-03-17 11:29:08
● 2026-03-23 22:03:38

○NSns2.cnspeed.com2015-10-25 → 2017-01-31 · 4 obs

● 2015-10-25 02:29:40
● 2017-01-31 01:25:40
○ 2018-08-18 13:40:34
○ 2026-03-23 22:03:38

●NSns2.judns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2018-08-18 13:40:34
● 2026-03-17 11:29:08
● 2026-03-23 22:03:38

●NSns2.julydns.com2026-03-17 → 2026-03-23 · 3 obs

○ 2018-08-18 13:40:34
● 2026-03-17 11:29:08
● 2026-03-23 22:03:38

○MXwww.yuwhy.cn2015-10-25 → 2017-01-31 · 4 obs

● 2015-10-25 02:29:40
● 2017-01-31 01:25:40
○ 2018-08-18 13:40:34
○ 2026-03-23 22:03:38

○A121.42.83.1992018-08-18 → 2018-08-18 · 4 obs

○ 2017-01-31 01:25:40
● 2018-08-18 13:40:34
○ 2026-03-17 11:29:08
○ 2026-03-23 22:03:38

●A154.91.188.62026-03-17 → 2026-03-23 · 3 obs

○ 2018-08-18 13:40:34
● 2026-03-17 11:29:08
● 2026-03-23 22:03:38

○A183.60.158.1002015-10-25 → 2017-01-31 · 5 obs

○ 2015-06-11 01:39:00
● 2015-10-25 02:29:40
● 2017-01-31 01:25:40
○ 2018-08-18 13:40:34
○ 2026-03-23 22:03:38

○A98.126.223.2192015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 01:39:00
○ 2018-08-18 13:40:34
○ 2026-03-23 22:03:38

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:47.97.51.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yuwhy.cn (unsigned zone)

⏱️ Timing

Total: 3876ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.91.188.6`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

Hierarchy

The parent of www.yuwhy.cn is yuwhy.cn.

IP Addresses

yuwhy.cn points to an IP address: 154.91.188.6.

other host names include www.ctmall.com.cn, 34com.cn, zascm.cn, akevin.cn and www.zascm.cn; they share IP numbers with yuwhy.cn.

Name Servers

yuwhy.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

yuwhy.cn at least partially shares name servers with other domains, for instance jyfeiyu.com, szhyg.com, goitfr90tr.com, pintumei.com and henbushuang.com.