xuefubook.com - robtex.com

xuefubook.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3994🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:92a5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.148Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.165🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrene.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A2803:f800:50::6ca2:c3b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrene.ns.cloudflare.com
A2a06:98c1:50::ac40:23b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrene.ns.cloudflare.com
A108.162.195.180🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A162.159.44.180Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
A172.64.35.180🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrene.ns.cloudflare.com
NSsky.ns.cloudflare.com
A2606:4700:50::a29f:2602🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A2803:f800:50::6ca2:c202🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsky.ns.cloudflare.com
A2a06:98c1:50::ac40:2202🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsky.ns.cloudflare.com
A108.162.194.2🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A162.159.38.2Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A172.64.34.2🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.148, 172.67.146.165
IPv6 hints2606:4700:3030::6815:3994, 2606:4700:3036::ac43:92a5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOArene.ns.cloudflare.comdns@cloudflare.com serial=2400712182

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=1778717956

Same first word

xuefubook.com

DNS History

16 records (6 active, 10 former)

201820192020202120222023202420252026NSrene.ns.cloudflare.comsky.ns.cloudflare.comdns10.hichina.comdns9.hichina.comns4.dnsdun.comns4.dnsdun.netns7.alidns.comns8.alidns.comMXmxn.mxhichina.commxw.mxhichina.comA104.21.57.148172.67.146.1652606:4700:3030::6815:39942606:4700:3036::ac43:92a5172.121.126.77CNAMEexpired.hichina.com
○NSdns10.hichina.com2017-03-25 → 2017-03-25 · 3 obs
● 2017-03-25 01:58:54
○ 2020-01-20 13:38:08
○ 2026-05-14 00:20:18
○NSdns9.hichina.com2017-03-25 → 2017-03-25 · 3 obs
● 2017-03-25 01:58:54
○ 2020-01-20 13:38:08
○ 2026-05-14 00:20:18
○NSns4.dnsdun.com2020-01-20 → 2020-01-20 · 4 obs
○ 2017-03-25 01:58:54
● 2020-01-20 13:38:08
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18
○NSns4.dnsdun.net2020-01-20 → 2020-01-20 · 4 obs
○ 2017-03-25 01:58:54
● 2020-01-20 13:38:08
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18
○NSns7.alidns.com2026-05-14 → 2026-05-14 · 2 obs
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18
○NSns8.alidns.com2026-05-14 → 2026-05-14 · 2 obs
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18
●NSrene.ns.cloudflare.com2026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
●NSsky.ns.cloudflare.com2026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
○MXmxn.mxhichina.com2017-03-25 → 2017-03-25 · 3 obs
● 2017-03-25 01:58:54
○ 2020-01-20 13:38:08
○ 2026-05-14 00:20:18
○MXmxw.mxhichina.com2017-03-25 → 2017-03-25 · 3 obs
● 2017-03-25 01:58:54
○ 2020-01-20 13:38:08
○ 2026-05-14 00:20:18
●A104.21.57.1482026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
○A172.121.126.772020-01-20 → 2020-01-20 · 3 obs
● 2020-01-20 13:38:08
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18
●A172.67.146.1652026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
●A2606:4700:3030::6815:39942026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
●A2606:4700:3036::ac43:92a52026-05-14 → 2026-05-14 · 3 obs
○ 2020-01-20 13:38:08
● 2026-05-14 00:20:16
● 2026-05-14 00:20:18
○CNAMEexpired.hichina.com2026-05-14 → 2026-05-14 · 2 obs
○ 2026-05-14 00:20:16
○ 2026-05-14 00:20:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
xuefubook.comsky.ns.cloudflare.com, rene.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.2

NS records: sky.ns.cloudflare.com, rene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xuefubook.com (unsigned zone)

⏱️ Timing

Total: 635ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.146.165, 104.21.57.148
AAAA22606:4700:3036::ac43:92a5, 2606:4700:3030::6815:3994
NS2rene.ns.cloudflare.com, sky.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1rene.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by xuefubook.com: 2606:4700:3030::6815:3994, 2606:4700:3036::ac43:92a5, 104.21.57.148 and 172.67.146.165.

other host names including m.sheshaft.com, touchoflondon.com, www.selpak.com.au, ixotaga.top and bitsnpcsuk.co.uk share IP numbers with xuefubook.com.

Name Servers

xuefubook.com is delegated to two name servers rene.ns.cloudflare.com and sky.ns.cloudflare.com.

xuefubook.com shares the same name server setup as other domains, for instance al-anon.ab.ca, 560611.com, klyd123.com, dimabenny.com and wanhaiwuya.com.

xuefubook.com at least partially shares name servers with other domains, for instance cool2d.com, vidalisted.shop, 7k27.casino, fbrossard.com and enobahisgirisi.com.

These name servers are commonly used alongside stella.ns.cloudflare.com and dara.ns.cloudflare.com.

Host names with six IP numbers:

Host name rene.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb4, 2803:f800:50::6ca2:c3b4, 2a06:98c1:50::ac40:23b4, 108.162.195.180, 162.159.44.180 and 172.64.35.180.

Host name sky.ns.cloudflare.com points to: 2606:4700:50::a29f:2602, 2803:f800:50::6ca2:c202, 2a06:98c1:50::ac40:2202, 108.162.194.2, 162.159.38.2 and 172.64.34.2.