readbook.app - robtex.com
readbook.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:15b8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c7cb🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.184Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.203🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | haley.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:260f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c20f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:220f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| A | 108.162.194.15🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| A | 162.159.38.15Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| A | 172.64.34.15🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | haley.ns.cloudflare.com | ||||||
| NS | tadeo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cc5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3c5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23c5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 108.162.195.197🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 162.159.44.197Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| A | 172.64.35.197🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tadeo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.21.184, 172.67.199.203 | ||||||
| IPv6 | 2606:4700:3033::6815:15b8, 2606:4700:3037::ac43:c7cb | ||||||
| SOA | haley.ns.cloudflare.comdns@cloudflare.com serial=2399404989 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
readbook.men |
readbook.cn |
readbook.it |
readbook.ru |
readbook.fr |
readbook.info |
readbook.com.ua |
readbook.app |
readbook.com |
readbook.in |
Similar names
DNS History
6 records (6 active, 0 former)
●NShaley.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
●NStadeo.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
●A104.21.21.1842026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
●A172.67.199.2032026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
●A2606:4700:3033::6815:15b82026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
●A2606:4700:3037::ac43:c7cb2026-03-07 → 2026-03-24 · 2 obs
● 2026-03-24 14:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| readbook.app | tadeo.ns.cloudflare.com, haley.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.197
NS records: tadeo.ns.cloudflare.com, haley.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for readbook.app (unsigned zone)
⏱️ Timing
Total: 1772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.203, 104.21.21.184 |
| AAAA | 2 | 2606:4700:3037::ac43:c7cb, 2606:4700:3033::6815:15b8 |
| NS | 2 | haley.ns.cloudflare.com, tadeo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | haley.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
readbook.app refers to four IP numbers: 2606:4700:3033::6815:15b8, 2606:4700:3037::ac43:c7cb, 104.21.21.184 and 172.67.199.203.
Other host names, for instance hagroup.com.vn, www.xingxiuyl.com, shqipkinema.site, bitcoinforcorporations.com and enclosedcarshipping.org share IP numbers with readbook.app.
Name Servers
readbook.app's delegation uses two name servers: haley.ns.cloudflare.com and tadeo.ns.cloudflare.com.
readbook.app uses the same name server setup as other domains, such as cosmify.it, 20090910.xyz, booook.bond, zlib996.online and free2read.cc.
readbook.app at least partially shares name servers with other domains, including squangle.co.uk, teavgrix.qpon, 5-avenue.com, bluebulletins.au and ast.cl.
These name servers are commonly used with kurt.ns.cloudflare.com, shaz.ns.cloudflare.com and hunts.ns.cloudflare.com.
Host names with six IP numbers:
haley.ns.cloudflare.com points to 2606:4700:50::a29f:260f, 2803:f800:50::6ca2:c20f, 2a06:98c1:50::ac40:220f, 108.162.194.15, 162.159.38.15 and 172.64.34.15.
tadeo.ns.cloudflare.com points to 2606:4700:58::a29f:2cc5, 2803:f800:50::6ca2:c3c5, 2a06:98c1:50::ac40:23c5, 108.162.195.197, 162.159.44.197 and 172.64.35.197.