`ku320.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:31ac^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9405^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.172^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.5^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`laura.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
NS	`mike.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mike.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mike.ns.cloudflare.com`
		A	108.162.195.63^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	162.159.44.63^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	172.64.35.63^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.172, 172.67.148.5
		IPv6 hints	2606:4700:3030::6815:31ac, 2606:4700:3033::ac43:9405
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`laura.ns.cloudflare.com`dns@cloudflare.com serial=2400441875

`cn`

	DNSSEC	🔒 Signed (DS record present)
	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=2034662529

Same first word

ku320.cn

DNS History

11 records (6 active, 5 former)

○NSf1g1ns1.dnspod.net2015-08-10 → 2017-03-13 · 4 obs

● 2015-08-10 10:06:48
● 2017-03-13 10:58:32
○ 2018-12-07 03:06:58
○ 2026-04-12 13:00:48

○NSf1g1ns2.dnspod.net2015-08-10 → 2017-03-13 · 4 obs

● 2015-08-10 10:06:48
● 2017-03-13 10:58:32
○ 2018-12-07 03:06:58
○ 2026-04-12 13:00:48

●NSlaura.ns.cloudflare.com2026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

●NSmike.ns.cloudflare.com2026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

○NSns4.dnsdun.com2018-12-07 → 2018-12-07 · 4 obs

○ 2017-03-13 10:58:32
● 2018-12-07 03:06:58
○ 2026-04-08 06:50:58
○ 2026-04-12 13:00:48

○NSns4.dnsdun.net2018-12-07 → 2018-12-07 · 4 obs

○ 2017-03-13 10:58:32
● 2018-12-07 03:06:58
○ 2026-04-08 06:50:58
○ 2026-04-12 13:00:48

●A104.21.49.1722026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

●A172.67.148.52026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

○A198.15.188.1792018-12-07 → 2018-12-07 · 3 obs

● 2018-12-07 03:06:58
○ 2026-04-08 06:50:58
○ 2026-04-12 13:00:48

●A2606:4700:3030::6815:31ac2026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

●A2606:4700:3033::ac43:94052026-04-08 → 2026-04-12 · 3 obs

○ 2018-12-07 03:06:58
● 2026-04-08 06:50:58
● 2026-04-12 13:00:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, c.dns.cn, a.dns.cn, d.dns.cn...	-
ku320.cn	mike.ns.cloudflare.com, laura.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.183

NS records: mike.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.172, 172.67.148.5`
AAAA	2	`2606:4700:3033::ac43:9405, 2606:4700:3030::6815:31ac`
NS	2	`laura.ns.cloudflare.com, mike.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`laura.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ku320.cn points to four IP numbers: 2606:4700:3030::6815:31ac, 2606:4700:3033::ac43:9405, 104.21.49.172 and 172.67.148.5.

Other host names, for instance adorotel.com, deliveryonline268.sbs, easuswatch.org, log2.pdfviewerscannerstore.live and jose-thomas.com share IP numbers with ku320.cn.

Name Servers

Delegation for ku320.cn rests with two name servers, laura.ns.cloudflare.com and mike.ns.cloudflare.com.

ku320.cn shares the same name server setup as other domains, including 11867.cn, jhfmyj.cn, tyyjsb.cn, scchuanhan.cn and mvpa.cn.

ku320.cn at least partially shares name servers with other domains, for instance ipi.media, soicaumienbachomnay.top, promosyonnkmpnya.info, dataexpert.io and wjkyzx.com.

these name servers are commonly used with augustus.ns.cloudflare.com, treasure.ns.cloudflare.com and carter.ns.cloudflare.com.

Host names with six IP numbers: laura.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183. mike.ns.cloudflare.com points to: 2606:4700:58::a29f:2c3f, 2803:f800:50::6ca2:c33f, 2a06:98c1:50::ac40:233f, 108.162.195.63, 162.159.44.63 and 172.64.35.63.

ku320.cn - robtex.com

ku320.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`ku320.cn`

`cn`