`zhishikoo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:bfa7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3c33^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.51^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.167^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`erin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c071^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`erin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2071^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`erin.ns.cloudflare.com`
		A	108.162.192.113^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	172.64.32.113^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	173.245.58.113^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.51, 172.67.191.167
		IPv6 hints	2606:4700:3032::ac43:bfa7, 2606:4700:3036::6815:3c33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2398807375

`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=1776920032

rank #926888 globally
rank #417834 in the tld

Subdomains

www.zhishikoo.com

Same first word

zhishikoo.com

DNS History

12 records (8 active, 4 former)

●NSclint.ns.cloudflare.com2019-12-14 → 2026-04-23 · 2 obs

● 2019-12-14 00:46:48
● 2026-04-23 05:14:32

●NSerin.ns.cloudflare.com2019-12-14 → 2026-04-23 · 2 obs

● 2019-12-14 00:46:48
● 2026-04-23 05:14:32

●MXmxbiz1.qq.com2019-12-14 → 2026-04-23 · 2 obs

● 2019-12-14 00:46:48
● 2026-04-23 05:14:32

●MXmxbiz2.qq.com2019-12-14 → 2026-04-23 · 2 obs

● 2019-12-14 00:46:48
● 2026-04-23 05:14:32

●A104.21.60.512026-02-23 → 2026-04-23 · 3 obs

○ 2019-12-14 00:46:48
● 2026-02-23 19:48:26
● 2026-04-23 05:14:32

○A104.27.172.1092019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 00:46:48
○ 2026-02-23 19:48:26
○ 2026-04-23 05:14:32

○A104.27.173.1092019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 00:46:48
○ 2026-02-23 19:48:26
○ 2026-04-23 05:14:32

●A172.67.191.1672026-02-23 → 2026-04-23 · 3 obs

○ 2019-12-14 00:46:48
● 2026-02-23 19:48:26
● 2026-04-23 05:14:32

○A2606:4700:30::681b:ac6d2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 00:46:48
○ 2026-02-23 19:48:26
○ 2026-04-23 05:14:32

○A2606:4700:30::681b:ad6d2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 00:46:48
○ 2026-02-23 19:48:26
○ 2026-04-23 05:14:32

●A2606:4700:3032::ac43:bfa72026-02-23 → 2026-04-23 · 3 obs

○ 2019-12-14 00:46:48
● 2026-02-23 19:48:26
● 2026-04-23 05:14:32

●A2606:4700:3036::6815:3c332026-02-23 → 2026-04-23 · 3 obs

○ 2019-12-14 00:46:48
● 2026-02-23 19:48:26
● 2026-04-23 05:14:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zhishikoo.com	erin.ns.cloudflare.com, clint.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.113

NS records: erin.ns.cloudflare.com, clint.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhishikoo.com (unsigned zone)

⏱️ Timing

Total: 811ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.167, 104.21.60.51`
AAAA	2	`2606:4700:3032::ac43:bfa7, 2606:4700:3036::6815:3c33`
NS	2	`clint.ns.cloudflare.com, erin.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (erin.ns.cloudflare.com, erin.ns.cloudflare.com, erin.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of www.zhishikoo.com is zhishikoo.com.

IP Addresses

zhishikoo.com resolves to four IP numbers: 2606:4700:3032::ac43:bfa7, 2606:4700:3036::6815:3c33, 104.21.60.51 and 172.67.191.167.

Other host names such as mitari.it, fortuneedge.us, www.kkfb2.vip, steel-buildings.co.uk and nathirat.net share IPs with zhishikoo.com.

Name Servers

zhishikoo.com is delegated to two name servers: clint.ns.cloudflare.com and erin.ns.cloudflare.com.

zhishikoo.com shares the same name server setup as accesidentite.com, clnotaires.ca, rococare.com, proproductswebdesign.com and interligne.ca.

zhishikoo.com at least partially shares name servers with other domains, for instance prntly.com, mylf.cm, cliniquedebeaute.co.uk, tradgarn-tomat.se and bellodynamic.com.

These name servers are commonly used with wally.ns.cloudflare.com and priscilla.ns.cloudflare.com.

Host names with six IP numbers:

clint.ns.cloudflare.com points to 2606:4700:58::adf5:3b5a, 2803:f800:50::6ca2:c15a, 2a06:98c1:50::ac40:215a, 108.162.193.90, 172.64.33.90 and 173.245.59.90.

erin.ns.cloudflare.com points to 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.

Mail Servers

zhishikoo.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup for zhishikoo.com matches that of other domains, for instance uni-freight.com, weihong-china.com, idcer.com, ovtools.com and xfack.com.

zhishikoo.com shares at least partially some mail servers with other domains, including lifeintools.com, dbton.com, skyheng.com, aanv.cn and ffc.cn.

zhishikoo.com - robtex.com

zhishikoo.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`zhishikoo.com`

`com`