w.bookcdn.com - robtex.com

w.bookcdn.com

DNSSEC⚠️ Not signed
A172.66.40.167🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.89🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.167, 172.66.43.89

bookcdn.com

DNSSEC⚠️ Not signed
A172.66.40.167🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.89🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelsa.ns.cloudflare.com ⭐
NSseth.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.167, 172.66.43.89
SOAelsa.ns.cloudflare.comdns@cloudflare.com serial=2401211009
📈 Tranco rank: #28,984

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DNS History

6 records (2 active, 4 former)

2017201820192020202120222023202420252026A172.66.40.167172.66.43.89104.25.64.9104.25.65.92400:cb00:2048:1::6819:40092400:cb00:2048:1::6819:4109
○A104.25.64.92016-12-28 → 2017-06-19 · 4 obs
● 2016-12-28 20:05:34
● 2017-06-19 11:26:54
○ 2026-02-26 03:25:32
○ 2026-04-12 22:25:08
○A104.25.65.92016-12-28 → 2017-06-19 · 4 obs
● 2016-12-28 20:05:34
● 2017-06-19 11:26:54
○ 2026-02-26 03:25:32
○ 2026-04-12 22:25:08
●A172.66.40.1672026-02-26 → 2026-04-12 · 3 obs
○ 2017-06-19 11:26:54
● 2026-02-26 03:25:32
● 2026-04-12 22:25:08
●A172.66.43.892026-02-26 → 2026-04-12 · 3 obs
○ 2017-06-19 11:26:54
● 2026-02-26 03:25:32
● 2026-04-12 22:25:08
○A2400:cb00:2048:1::6819:40092016-12-28 → 2017-06-19 · 4 obs
● 2016-12-28 20:05:34
● 2017-06-19 11:26:54
○ 2026-02-26 03:25:32
○ 2026-04-12 22:25:08
○A2400:cb00:2048:1::6819:41092016-12-28 → 2017-06-19 · 4 obs
● 2016-12-28 20:05:34
● 2017-06-19 11:26:54
○ 2026-02-26 03:25:32
○ 2026-04-12 22:25:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bookcdn.comelsa.ns.cloudflare.com, seth.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookcdn.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.40.167, 172.66.43.89
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

w.bookcdn.com points to two IPs: 172.66.40.167 and 172.66.43.89.

Other host names, for instance finagle.com, saudimf.sa, myamici.com, eatos.com and account.11zonapis.com share IP numbers with w.bookcdn.com.