book71.com - robtex.com

book71.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:dc5b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:568a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.138Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.91🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbuck.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A2803:f800:50::6ca2:c14e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbuck.ns.cloudflare.com
A2a06:98c1:50::ac40:214e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbuck.ns.cloudflare.com
A108.162.193.78🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A172.64.33.78🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A173.245.59.78🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
NSserena.ns.cloudflare.com
A2606:4700:50::adf5:3adc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserena.ns.cloudflare.com
A2803:f800:50::6ca2:c0dc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRserena.ns.cloudflare.com
A2a06:98c1:50::ac40:20dc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRserena.ns.cloudflare.com
A108.162.192.220🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserena.ns.cloudflare.com
A172.64.32.220🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserena.ns.cloudflare.com
A173.245.58.220🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRserena.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.138, 172.67.220.91
IPv6 hints2606:4700:3031::ac43:dc5b, 2606:4700:3037::6815:568a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOAbuck.ns.cloudflare.comdns@cloudflare.com serial=2400631378

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=1778470891
⚠️ On DNS blocklist: tif

Same first word

book71.ru
book71.com

Similar names

17book.cn
book17.com
17book.net

DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSbuck.ns.cloudflare.comserena.ns.cloudflare.comns1.hosting.co.krns2.hosting.co.krA104.21.86.138172.67.220.912606:4700:3031::ac43:dc5b2606:4700:3037::6815:568a211.234.63.232
●NSbuck.ns.cloudflare.com2026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18
○NSns1.hosting.co.kr2016-11-29 → 2016-11-29 · 3 obs
● 2016-11-29 22:58:18
○ 2017-06-18 22:27:02
○ 2026-05-11 03:45:18
○NSns2.hosting.co.kr2016-11-29 → 2016-11-29 · 3 obs
● 2016-11-29 22:58:18
○ 2017-06-18 22:27:02
○ 2026-05-11 03:45:18
●NSserena.ns.cloudflare.com2026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18
●A104.21.86.1382026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18
●A172.67.220.912026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18
○A211.234.63.2322016-11-29 → 2016-11-29 · 3 obs
● 2016-11-29 22:58:18
○ 2017-06-18 22:27:02
○ 2026-05-11 03:45:18
●A2606:4700:3031::ac43:dc5b2026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18
●A2606:4700:3037::6815:568a2026-04-09 → 2026-05-11 · 3 obs
○ 2017-06-18 22:27:02
● 2026-04-09 23:48:02
● 2026-05-11 03:45:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...-
book71.combuck.ns.cloudflare.com, serena.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.78

NS records: buck.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for book71.com (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.86.138, 172.67.220.91
AAAA22606:4700:3031::ac43:dc5b, 2606:4700:3037::6815:568a
NS2buck.ns.cloudflare.com, serena.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1buck.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

book71.com points to four IP numbers: 2606:4700:3031::ac43:dc5b, 2606:4700:3037::6815:568a, 104.21.86.138 and 172.67.220.91.

For instance, other host names c168cd.com, obdtotal.com, video(0x736578)ogay.com, avdvdrar.com and www.copleyplayers.com share IP numbers with book71.com.

Name Servers

book71.com is delegated to two name servers: buck.ns.cloudflare.com and serena.ns.cloudflare.com.

book71.com uses the same name server setup as other domains such as willbrady.com, sbk21.fun, williambock.com, nyros.in and wow65.com.

book71.com shares name servers with other domains at least partially, for example mybuzaze.pro, lazerbet365.com, maresolonline.com.br, a-arabiata.com and l2ygshifkc.com.

These name servers are commonly used with dee.ns.cloudflare.com.

Host names with six IP numbers: host name buck.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4e, 2803:f800:50::6ca2:c14e, 2a06:98c1:50::ac40:214e, 108.162.193.78, 172.64.33.78 and 173.245.59.78; host name serena.ns.cloudflare.com points to: 2606:4700:50::adf5:3adc, 2803:f800:50::6ca2:c0dc, 2a06:98c1:50::ac40:20dc, 108.162.192.220, 172.64.32.220 and 173.245.58.220.