guoxue66.com - robtex.com

guoxue66.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:4b6d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:ddc8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.109Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.221.200🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkaiser.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c09🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A2803:f800:50::6ca2:c309🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkaiser.ns.cloudflare.com
A2a06:98c1:50::ac40:2309🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkaiser.ns.cloudflare.com
A108.162.195.9🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A162.159.44.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A172.64.35.9🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
NSstevie.ns.cloudflare.com
A2606:4700:50::a29f:266a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A2803:f800:50::6ca2:c26a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstevie.ns.cloudflare.com
A2a06:98c1:50::ac40:226a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstevie.ns.cloudflare.com
A108.162.194.106🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A162.159.38.106Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A172.64.34.106🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.109, 172.67.221.200
IPv6 hints2606:4700:3037::6815:4b6d, 2606:4700:3037::ac43:ddc8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOAkaiser.ns.cloudflare.comdns@cloudflare.com serial=2403016240

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778459851

Subdomains

www.guoxue66.com

Same first word

guoxue66.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSkaiser.ns.cloudflare.comstevie.ns.cloudflare.comdns27.hichina.comdns28.hichina.comA104.21.75.109172.67.221.2002606:4700:3037::6815:4b6d2606:4700:3037::ac43:ddc8116.255.133.12116.255.140.104
○NSdns27.hichina.com2015-05-10 → 2017-04-03 · 4 obs
● 2015-05-10 16:44:28
● 2017-04-03 12:12:24
○ 2026-02-25 13:30:46
○ 2026-05-11 00:39:34
○NSdns28.hichina.com2015-05-10 → 2017-04-03 · 4 obs
● 2015-05-10 16:44:28
● 2017-04-03 12:12:24
○ 2026-02-25 13:30:46
○ 2026-05-11 00:39:34
●NSkaiser.ns.cloudflare.com2026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34
●NSstevie.ns.cloudflare.com2026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34
●A104.21.75.1092026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34
○A116.255.133.122015-10-16 → 2017-04-03 · 5 obs
○ 2015-05-10 16:44:28
● 2015-10-16 18:24:06
● 2017-04-03 12:12:24
○ 2026-02-25 13:30:46
○ 2026-05-11 00:39:34
○A116.255.140.1042015-05-10 → 2015-05-10 · 3 obs
● 2015-05-10 16:44:28
○ 2015-10-16 18:24:06
○ 2026-05-11 00:39:34
●A172.67.221.2002026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34
●A2606:4700:3037::6815:4b6d2026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34
●A2606:4700:3037::ac43:ddc82026-02-25 → 2026-05-11 · 3 obs
○ 2017-04-03 12:12:24
● 2026-02-25 13:30:46
● 2026-05-11 00:39:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
guoxue66.comstevie.ns.cloudflare.com, kaiser.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.106

NS records: stevie.ns.cloudflare.com, kaiser.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guoxue66.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.75.109, 172.67.221.200
AAAA22606:4700:3037::ac43:ddc8, 2606:4700:3037::6815:4b6d
NS2kaiser.ns.cloudflare.com, stevie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kaiser.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.guoxue66.com is a child of guoxue66.com.

IP Addresses

guoxue66.com refers to four IP numbers: 2606:4700:3037::6815:4b6d, 2606:4700:3037::ac43:ddc8, 104.21.75.109 and 172.67.221.200.

Other host names, for instance itsthor.com, tzsbgk.com, www.0xdeadbeef.us, www.3hzl.com and usarewardspot.com share IP numbers with guoxue66.com.

Name Servers

guoxue66.com's delegation uses two name servers: kaiser.ns.cloudflare.com and stevie.ns.cloudflare.com.

guoxue66.com uses the same name server setup as other domains, such as fzheallab.net, sengye.net, ygsdnet.com, kshx.net and httraffic.com.

guoxue66.com at least partially shares name servers with other domains, including familyofficeportfoliofinance.info, aplicarimoveis.com.br, diabeteson.net, keepnethub.digital and futebolgratuito.net.

These name servers are often used with chance.ns.cloudflare.com and ian.ns.cloudflare.com.

Host names with six IP numbers:

kaiser.ns.cloudflare.com points to 2606:4700:58::a29f:2c09, 2803:f800:50::6ca2:c309, 2a06:98c1:50::ac40:2309, 108.162.195.9, 162.159.44.9 and 172.64.35.9.

stevie.ns.cloudflare.com points to 2606:4700:50::a29f:266a, 2803:f800:50::6ca2:c26a, 2a06:98c1:50::ac40:226a, 108.162.194.106, 162.159.38.106 and 172.64.34.106.