`guoxue3000.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2254^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c9fe^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.84^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.254^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coraline.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2658^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c258^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coraline.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2258^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coraline.ns.cloudflare.com`
		A	108.162.194.88^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	162.159.38.88^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	172.64.34.88^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
NS	`kevin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kevin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kevin.ns.cloudflare.com`
		A	108.162.193.191^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	172.64.33.191^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
		A	173.245.59.191^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kevin.ns.cloudflare.com`
TXT	`google-site-verification=XLd1XVV2Q6V4WHjh5Sg7Tj7kNK1FeYO6vYTWF6ihYj0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.84, 172.67.201.254
		IPv6 hints	2606:4700:3032::6815:2254, 2606:4700:3033::ac43:c9fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=153, name=cloudflare-ech.com
SOA	`coraline.ns.cloudflare.com`dns@cloudflare.com serial=2403450684

`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=1778518756

Same first word

guoxue3000.com

DNS History

16 records (6 active, 10 former)

●NScoraline.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2018-05-11 12:21:04
● 2026-04-07 06:37:24
● 2026-05-11 17:11:12

●NSkevin.ns.cloudflare.com2026-04-07 → 2026-05-11 · 3 obs

○ 2018-05-11 12:21:04
● 2026-04-07 06:37:24
● 2026-05-11 17:11:12

○NSns1.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

○NSns2.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

○NSns3.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

○NSns4.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

○NSns5.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

○NSns6.myhostadmin.net2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 12:21:04
○ 2026-04-07 06:37:24
○ 2026-05-11 17:11:12

●A104.21.34.842026-04-07 → 2026-05-11 · 5 obs

● 2026-04-07 06:37:24
● 2026-04-15 06:56:32
○ 2026-04-16 14:45:38
● 2026-04-20 13:15:58
● 2026-05-11 17:11:12

●A172.67.201.2542026-04-07 → 2026-05-11 · 5 obs

● 2026-04-07 06:37:24
● 2026-04-15 06:56:32
○ 2026-04-16 14:45:38
● 2026-04-20 13:15:58
● 2026-05-11 17:11:12

○A188.114.96.02026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 06:56:32
● 2026-04-16 14:45:38
○ 2026-04-20 13:15:58
○ 2026-05-11 17:11:12

○A188.114.97.02026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 06:56:32
● 2026-04-16 14:45:38
○ 2026-04-20 13:15:58
○ 2026-05-11 17:11:12

●A2606:4700:3032::6815:22542026-04-07 → 2026-05-11 · 5 obs

● 2026-04-07 06:37:24
● 2026-04-15 06:56:32
○ 2026-04-16 14:45:38
● 2026-04-20 13:15:58
● 2026-05-11 17:11:12

●A2606:4700:3033::ac43:c9fe2026-04-07 → 2026-05-11 · 5 obs

● 2026-04-07 06:37:24
● 2026-04-15 06:56:32
○ 2026-04-16 14:45:38
● 2026-04-20 13:15:58
● 2026-05-11 17:11:12

○A2a06:98c1:3120::2026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 06:56:32
● 2026-04-16 14:45:38
○ 2026-04-20 13:15:58
○ 2026-05-11 17:11:12

○A2a06:98c1:3121::2026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-15 06:56:32
● 2026-04-16 14:45:38
○ 2026-04-20 13:15:58
○ 2026-05-11 17:11:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...	-
guoxue3000.com	kevin.ns.cloudflare.com, coraline.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.191

NS records: kevin.ns.cloudflare.com, coraline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guoxue3000.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.84, 172.67.201.254`
AAAA	2	`2606:4700:3032::6815:2254, 2606:4700:3033::ac43:c9fe`
NS	2	`coraline.ns.cloudflare.com, kevin.ns.cloudflare.com`
TXT	1	`google-site-verification=XLd1XVV2Q6V4WHj`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coraline.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

guoxue3000.com resolves to four IP numbers: 2606:4700:3032::6815:2254, 2606:4700:3033::ac43:c9fe, 104.21.34.84 and 172.67.201.254.

Other host names such as magacoinsale.com, ufo7770top1.site, www.connectbeijing.com, postkantoor.cloeck.com and freeseasky.com share IPs with guoxue3000.com.

Name Servers

guoxue3000.com is delegated to two name servers: coraline.ns.cloudflare.com and kevin.ns.cloudflare.com.

guoxue3000.com shares the same name server setup as easycoder.org, codestudy.net, geekcoder.org, stophcommerce.com and javaguidepro.com.

guoxue3000.com at least partially shares name servers with other domains, for instance token.com, worldwar.co, almarose.com, perfectexperiences.com and 000063.cn.

these name servers are often used in conjunction with the name servers jay.ns.cloudflare.com.

Host names with six IP numbers:

coraline.ns.cloudflare.com points to 2606:4700:50::a29f:2658, 2803:f800:50::6ca2:c258, 2a06:98c1:50::ac40:2258, 108.162.194.88, 162.159.38.88 and 172.64.34.88.

kevin.ns.cloudflare.com points to 2606:4700:58::adf5:3bbf, 2803:f800:50::6ca2:c1bf, 2a06:98c1:50::ac40:21bf, 108.162.193.191, 172.64.33.191 and 173.245.59.191.

guoxue3000.com - robtex.com

guoxue3000.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`guoxue3000.com`

`com`