`91kecheng.com`

DNSSEC	⚠️ Not signed
A	43.228.79.115^{🇨🇳 CHINANET-YUNNAN-IDC143.228.76.0/22 Chinanet ChengDu Network}
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=1766986568

`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

Same first word

91kecheng.com

DNS History

12 records (5 active, 7 former)

○NSns1.alidns.com2016-09-23 → 2016-09-23 · 3 obs

● 2016-09-23 11:50:52
○ 2026-03-06 08:49:18
○ 2026-03-19 11:19:22

●NSns1.judns.com2026-03-06 → 2026-03-19 · 3 obs

○ 2016-09-23 11:50:52
● 2026-03-06 08:49:18
● 2026-03-19 11:19:22

●NSns1.julydns.com2026-03-06 → 2026-03-19 · 3 obs

○ 2016-09-23 11:50:52
● 2026-03-06 08:49:18
● 2026-03-19 11:19:22

○NSns2.alidns.com2016-09-23 → 2016-09-23 · 3 obs

● 2016-09-23 11:50:52
○ 2026-03-06 08:49:18
○ 2026-03-19 11:19:22

●NSns2.judns.com2026-03-06 → 2026-03-19 · 3 obs

○ 2016-09-23 11:50:52
● 2026-03-06 08:49:18
● 2026-03-19 11:19:22

●NSns2.julydns.com2026-03-06 → 2026-03-19 · 3 obs

○ 2016-09-23 11:50:52
● 2026-03-06 08:49:18
● 2026-03-19 11:19:22

○A104.129.128.1312015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 10:28:16
○ 2015-10-08 22:50:22
○ 2026-03-19 11:19:22

○A119.28.75.2492017-05-21 → 2017-05-21 · 4 obs

○ 2016-03-12 23:10:06
● 2017-05-21 08:27:46
○ 2026-03-06 08:49:18
○ 2026-03-19 11:19:22

○A23.27.192.1152016-03-12 → 2016-03-12 · 4 obs

○ 2015-12-07 06:46:20
● 2016-03-12 23:10:06
○ 2017-05-21 08:27:46
○ 2026-03-19 11:19:22

●A43.228.79.1152026-03-06 → 2026-03-19 · 3 obs

○ 2017-05-21 08:27:46
● 2026-03-06 08:49:18
● 2026-03-19 11:19:22

○A47.88.9.1092017-05-21 → 2017-05-21 · 4 obs

○ 2016-03-12 23:10:06
● 2017-05-21 08:27:46
○ 2026-03-06 08:49:18
○ 2026-03-19 11:19:22

○A64.62.224.2532015-10-08 → 2015-12-07 · 5 obs

○ 2015-05-19 10:28:16
● 2015-10-08 22:50:22
● 2015-12-07 06:46:20
○ 2016-03-12 23:10:06
○ 2026-03-19 11:19:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
91kecheng.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server: 162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 91kecheng.com (unsigned zone)

⏱️ Timing

Total: 3263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.228.79.115`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

91kecheng.com points to a single IP number: 43.228.79.115.

Other host names, for instance ejingmao.com, www.ytgxg.com, tudougou.com, lulugou.com and ytgxg.com share IP numbers with 91kecheng.com.

Name Servers

91kecheng.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

91kecheng.com shares name servers with other domains at least partially, for instance ivc.net.cn, verisignvip.com, 020web.org.cn, 0451asd.com and k1zb.com.