`checkupchina.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4666^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:ded8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.102^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.216^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`colin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colin.ns.cloudflare.com`
		A	108.162.195.75^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	162.159.44.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	172.64.35.75^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.102, 172.67.222.216
		IPv6 hints	2606:4700:3033::6815:4666, 2606:4700:3034::ac43:ded8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2404176660

`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=1778782471

Same first word

checkupchina.com

Similar names

chinacheckup.com

DNS History

22 records (6 active, 16 former)

●NSamanda.ns.cloudflare.com2026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

●NScolin.ns.cloudflare.com2026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

○NSns1.dns.com2026-05-08 → 2026-05-08 · 4 obs

○ 2017-10-16 07:28:50
● 2026-05-08 15:39:58
○ 2026-05-14 12:55:28
○ 2026-05-14 18:33:10

○NSns11.domaincontrol.com2016-12-17 → 2017-10-16 · 4 obs

● 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○NSns12.domaincontrol.com2016-12-17 → 2017-10-16 · 4 obs

● 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○NSns2.dns.com2026-05-08 → 2026-05-08 · 4 obs

○ 2017-10-16 07:28:50
● 2026-05-08 15:39:58
○ 2026-05-14 12:55:28
○ 2026-05-14 18:33:10

○MXmailstore1.secureserver.net2016-12-17 → 2017-10-16 · 4 obs

● 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○MXsmtp.secureserver.net2016-12-17 → 2017-10-16 · 4 obs

● 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

●A104.21.70.1022026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

○A107.163.90.2322026-05-08 → 2026-05-08 · 4 obs

○ 2017-10-16 07:28:50
● 2026-05-08 15:39:58
○ 2026-05-14 12:55:28
○ 2026-05-14 18:33:10

●A172.67.222.2162026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

○A184.168.221.732017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A184.168.221.882017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A184.168.221.932017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

●A2606:4700:3033::6815:46662026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

●A2606:4700:3034::ac43:ded82026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-08 15:39:58
● 2026-05-14 12:55:28
● 2026-05-14 18:33:10

○A45.63.23.2502016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:54:40
○ 2017-10-16 07:28:50
○ 2026-05-14 18:33:10

○A50.63.202.742017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A50.63.202.752017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A50.63.202.762017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A50.63.202.772017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

○A50.63.202.902017-10-16 → 2017-10-16 · 4 obs

○ 2016-12-17 04:54:40
● 2017-10-16 07:28:50
○ 2026-05-08 15:39:58
○ 2026-05-14 18:33:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
checkupchina.com	amanda.ns.cloudflare.com, colin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.63

NS records: amanda.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkupchina.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.102, 172.67.222.216`
AAAA	2	`2606:4700:3034::ac43:ded8, 2606:4700:3033::6815:4666`
NS	2	`amanda.ns.cloudflare.com, colin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

checkupchina.com resolves to four IP numbers: 2606:4700:3033::6815:4666, 2606:4700:3034::ac43:ded8, 104.21.70.102 and 172.67.222.216.

Other host names such as ecuauto.co.za, xn--80aabqzbtcf2aoc5o.xn--p1ai, xn--hakn-mta7e4yw55qdfa.com, singlefamilybuildtorent.com and playpowerrangersgame.com share IPs with checkupchina.com.

Name Servers

checkupchina.com is delegated to two name servers: amanda.ns.cloudflare.com and colin.ns.cloudflare.com.

checkupchina.com shares the same name server setup as qdhjdz.com, hlotz.com, invest-wm.com, tygjr.com and gxskdz.com.

checkupchina.com at least partially shares name servers with other domains, for instance enomy.com, logisuite.com, xjzuss1777.com, rftt.com.tr and best-onlinecasino.us.

These name servers are commonly used together with laylah.ns.cloudflare.com, noor.ns.cloudflare.com and melinda.ns.cloudflare.com.

Host names with six IP numbers:

amanda.ns.cloudflare.com points to 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63.

colin.ns.cloudflare.com points to 2606:4700:58::a29f:2c4b, 2803:f800:50::6ca2:c34b, 2a06:98c1:50::ac40:234b, 108.162.195.75, 162.159.44.75 and 172.64.35.75.

checkupchina.com - robtex.com