readbook8.org - robtex.com

readbook8.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:2af4πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::ac43:d56fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.42.244Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.213.111πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSignacio.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c52πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A2803:f800:50::6ca2:c352πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRignacio.ns.cloudflare.com
A2a06:98c1:50::ac40:2352πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRignacio.ns.cloudflare.com
A108.162.195.82πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A162.159.44.82Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
A172.64.35.82πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignacio.ns.cloudflare.com
NSkelly.ns.cloudflare.com
A2606:4700:50::a29f:265bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A2803:f800:50::6ca2:c25bπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkelly.ns.cloudflare.com
A2a06:98c1:50::ac40:225bπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRkelly.ns.cloudflare.com
A108.162.194.91πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A162.159.38.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A172.64.34.91πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.42.244, 172.67.213.111
IPv6 hints2606:4700:3033::6815:2af4, 2606:4700:3037::ac43:d56f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOAignacio.ns.cloudflare.comdns@cloudflare.com serial=2408508175

org

DNSSECπŸ”’ Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785502429

Same first word

DNS History

16 records (6 active, 10 former)

NSignacio.ns.cloudflare.comkelly.ns.cloudflare.comA104.21.42.244172.67.213.1112606:4700:3033::6815:2af42606:4700:3037::ac43:d56f188.114.96.0188.114.96.4188.114.97.0188.114.97.42606:4700:3031::ac43:d56f2606:4700:3034::6815:2af42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSignacio.ns.cloudflare.com2026-04-20 β†’ 2026-07-31 Β· 2 obs
● 2026-04-20 06:40:04
● 2026-07-31 13:09:28
●NSkelly.ns.cloudflare.com2026-04-20 β†’ 2026-07-31 Β· 2 obs
● 2026-04-20 06:40:04
● 2026-07-31 13:09:28
●A104.21.42.2442026-04-20 β†’ 2026-07-31 Β· 7 obs
● 2026-04-20 06:40:04
● 2026-05-25 17:04:44
β—‹ 2026-05-26 12:29:48
● 2026-05-29 13:26:46
● 2026-06-12 18:03:02
β—‹ 2026-06-26 15:09:44
● 2026-07-31 13:09:28
●A172.67.213.1112026-04-20 β†’ 2026-07-31 Β· 7 obs
● 2026-04-20 06:40:04
● 2026-05-25 17:04:44
β—‹ 2026-05-26 12:29:48
● 2026-05-29 13:26:46
● 2026-06-12 18:03:02
β—‹ 2026-06-26 15:09:44
● 2026-07-31 13:09:28
β—‹A188.114.96.02026-06-26 β†’ 2026-06-26 Β· 3 obs
β—‹ 2026-06-12 18:03:02
● 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
β—‹A188.114.96.42026-05-26 β†’ 2026-05-26 Β· 4 obs
β—‹ 2026-05-25 17:04:44
● 2026-05-26 12:29:48
β—‹ 2026-05-29 13:26:46
β—‹ 2026-07-31 13:09:28
β—‹A188.114.97.02026-06-26 β†’ 2026-06-26 Β· 3 obs
β—‹ 2026-06-12 18:03:02
● 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
β—‹A188.114.97.42026-05-26 β†’ 2026-05-26 Β· 4 obs
β—‹ 2026-05-25 17:04:44
● 2026-05-26 12:29:48
β—‹ 2026-05-29 13:26:46
β—‹ 2026-07-31 13:09:28
β—‹A2606:4700:3031::ac43:d56f2026-04-20 β†’ 2026-06-12 Β· 7 obs
● 2026-04-20 06:40:04
● 2026-05-25 17:04:44
β—‹ 2026-05-26 12:29:48
● 2026-05-29 13:26:46
● 2026-06-12 18:03:02
β—‹ 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
●A2606:4700:3033::6815:2af42026-07-31 β†’ 2026-07-31 Β· 2 obs
β—‹ 2026-06-26 15:09:44
● 2026-07-31 13:09:28
β—‹A2606:4700:3034::6815:2af42026-04-20 β†’ 2026-06-12 Β· 7 obs
● 2026-04-20 06:40:04
● 2026-05-25 17:04:44
β—‹ 2026-05-26 12:29:48
● 2026-05-29 13:26:46
● 2026-06-12 18:03:02
β—‹ 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
●A2606:4700:3037::ac43:d56f2026-07-31 β†’ 2026-07-31 Β· 2 obs
β—‹ 2026-06-26 15:09:44
● 2026-07-31 13:09:28
β—‹A2a06:98c1:3120::2026-06-26 β†’ 2026-06-26 Β· 3 obs
β—‹ 2026-06-12 18:03:02
● 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
β—‹A2a06:98c1:3120::42026-05-26 β†’ 2026-05-26 Β· 4 obs
β—‹ 2026-05-25 17:04:44
● 2026-05-26 12:29:48
β—‹ 2026-05-29 13:26:46
β—‹ 2026-07-31 13:09:28
β—‹A2a06:98c1:3121::2026-06-26 β†’ 2026-06-26 Β· 3 obs
β—‹ 2026-06-12 18:03:02
● 2026-06-26 15:09:44
β—‹ 2026-07-31 13:09:28
β—‹A2a06:98c1:3121::42026-05-26 β†’ 2026-05-26 Β· 4 obs
β—‹ 2026-05-25 17:04:44
● 2026-05-26 12:29:48
β—‹ 2026-05-29 13:26:46
β—‹ 2026-07-31 13:09:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
readbook8.orgkelly.ns.cloudflare.com, ignacio.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.91

NS records: kelly.ns.cloudflare.com, ignacio.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readbook8.org (unsigned zone)

⏱️ Timing

Total: 1392ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.42.244, 172.67.213.111
AAAA22606:4700:3033::6815:2af4, 2606:4700:3037::ac43:d56f
NS2ignacio.ns.cloudflare.com, kelly.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ignacio.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

readbook8.org directs to four IP numbers, which are 104.21.42.244, 172.67.213.111, 2606:4700:3033::6815:2af4 and 2606:4700:3037::ac43:d56f.

Among the host names that share IP numbers with readbook8.org are flowsimple.com, resk.co.uk, www.genint.com and two others.

Name Servers

DNS delegation for readbook8.org points to two name servers: ignacio.ns.cloudflare.com and kelly.ns.cloudflare.com.

readbook8.org has the same name server delegation as a number of other domains, such as zssq8.org, mjxsw.org, pcben.com and two more.

There is at least partial name server overlap between readbook8.org and other domains β€” loweoffshore.com, confirmsystemfullno.net, rcbodi.com and two more among them.

These name servers frequently co-occur with the name servers aleena.ns.cloudflare.com and jasper.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ignacio.ns.cloudflare.com has IP addresses 108.162.195.82, 162.159.44.82 and 172.64.35.82, plus 3 other.

kelly.ns.cloudflare.com has IP addresses 108.162.194.91, 162.159.38.91 and 172.64.34.91, plus 3 other.