`koolsoft.cn`

DNSSEC	⚠️ Not signed
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`nelly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2399554015

`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

koolsoft.cn

koolsoft.com

Similar names

DNS History

6 records (2 active, 4 former)

●NSalex.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs

○ 2020-01-02 01:16:30
● 2026-03-23 19:26:22

○NSdns11.hichina.com2020-01-02 → 2020-01-02 · 3 obs

○ 2017-01-27 13:50:40
● 2020-01-02 01:16:30
○ 2026-03-23 19:26:22

○NSdns12.hichina.com2020-01-02 → 2020-01-02 · 3 obs

○ 2017-01-27 13:50:40
● 2020-01-02 01:16:30
○ 2026-03-23 19:26:22

○NSf1g1ns1.dnspod.net2017-01-27 → 2017-01-27 · 3 obs

● 2017-01-27 13:50:40
○ 2020-01-02 01:16:30
○ 2026-03-23 19:26:22

●NSnelly.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs

○ 2020-01-02 01:16:30
● 2026-03-23 19:26:22

○A23.19.200.742020-01-02 → 2020-01-02 · 2 obs

● 2020-01-02 01:16:30
○ 2026-03-23 19:26:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	11 records
koolsoft.cn	alex.ns.cloudflare.com, nelly.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.209

NS records: alex.ns.cloudflare.com, nelly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koolsoft.cn (unsigned zone)

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`alex.ns.cloudflare.com, nelly.ns.cloudflare.com`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (a.dns.cn, a.dns.cn, b.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

Analysis

Name Servers

koolsoft.cn's delegation is to two name servers alex.ns.cloudflare.com and nelly.ns.cloudflare.com.

koolsoft.cn shares the same name server configuration as other domains, such as paysera.ee, supliaereos.com, paysera.pl, paysera.lt and east-players.com.

koolsoft.cn at least partially shares its name servers with other domains, for instance cpw967.cn, chinaszzy.com, twinkcute.com, win-future.com.cn and lotoclub-kz.xyz.

These name servers are commonly used alongside alberto.ns.cloudflare.com and armfazh.ns.cloudflare.com.

Host names with six IP numbers:

alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.

nelly.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad1, 2803:f800:50::6ca2:c0d1, 2a06:98c1:50::ac40:20d1, 108.162.192.209, 172.64.32.209 and 173.245.58.209.

koolsoft.cn - robtex.com

koolsoft.cn

cn