readkr.com - robtex.com

readkr.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:389dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::ac43:98f2πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.56.157Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.152.242πŸ‡ΊπŸ‡Έ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSalexa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26d7πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexa.ns.cloudflare.com
A2803:f800:50::6ca2:c2d7πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalexa.ns.cloudflare.com
A2a06:98c1:50::ac40:22d7πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRalexa.ns.cloudflare.com
A108.162.194.215πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexa.ns.cloudflare.com
A162.159.38.215Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexa.ns.cloudflare.com
A172.64.34.215πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexa.ns.cloudflare.com
NSjasper.ns.cloudflare.com
A2606:4700:58::a29f:2cb6πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjasper.ns.cloudflare.com
A2803:f800:50::6ca2:c3b6πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjasper.ns.cloudflare.com
A2a06:98c1:50::ac40:23b6πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjasper.ns.cloudflare.com
A108.162.195.182πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjasper.ns.cloudflare.com
A162.159.44.182Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjasper.ns.cloudflare.com
A172.64.35.182πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjasper.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.56.157, 172.67.152.242
IPv6 hints2606:4700:3032::6815:389d, 2606:4700:3032::ac43:98f2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com
SOAalexa.ns.cloudflare.comdns@cloudflare.com serial=2410042328

com

Same first word

Similar names

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSalexa.ns.cloudflare.comjasper.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.56.157172.67.152.2422606:4700:3032::6815:389d2606:4700:3032::ac43:98f2172.64.80.1188.114.96.0188.114.97.0209.222.14.32606:4700:130:436c:6f75:6466:6c61:72652606:4700:3030::ac43:98f22a06:98c1:3120::2a06:98c1:3121::
●NSalexa.ns.cloudflare.com2026-03-24 β†’ 2026-07-21 Β· 3 obs
β—‹ 2017-01-02 23:28:24
● 2026-03-24 20:49:10
● 2026-07-21 12:06:14
β—‹NSdns10.hichina.com2017-01-02 β†’ 2017-01-02 Β· 3 obs
● 2017-01-02 23:28:24
β—‹ 2026-03-24 20:49:10
β—‹ 2026-07-21 12:06:14
β—‹NSdns9.hichina.com2017-01-02 β†’ 2017-01-02 Β· 3 obs
● 2017-01-02 23:28:24
β—‹ 2026-03-24 20:49:10
β—‹ 2026-07-21 12:06:14
●NSjasper.ns.cloudflare.com2026-03-24 β†’ 2026-07-21 Β· 3 obs
β—‹ 2017-01-02 23:28:24
● 2026-03-24 20:49:10
● 2026-07-21 12:06:14
●A104.21.56.1572026-03-24 β†’ 2026-07-21 Β· 6 obs
β—‹ 2015-10-23 06:33:06
● 2026-03-24 20:49:10
● 2026-05-30 14:15:58
β—‹ 2026-06-29 12:42:56
● 2026-06-29 17:41:04
● 2026-07-21 12:06:14
β—‹A172.64.80.12026-03-24 β†’ 2026-07-21 Β· 2 obs
β—‹ 2026-03-24 20:49:10
β—‹ 2026-07-21 12:06:14
●A172.67.152.2422026-03-24 β†’ 2026-07-21 Β· 6 obs
β—‹ 2015-10-23 06:33:06
● 2026-03-24 20:49:10
● 2026-05-30 14:15:58
β—‹ 2026-06-29 12:42:56
● 2026-06-29 17:41:04
● 2026-07-21 12:06:14
β—‹A188.114.96.02026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-30 14:15:58
● 2026-06-29 12:42:56
β—‹ 2026-06-29 17:41:04
β—‹ 2026-07-21 12:06:14
β—‹A188.114.97.02026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-30 14:15:58
● 2026-06-29 12:42:56
β—‹ 2026-06-29 17:41:04
β—‹ 2026-07-21 12:06:14
β—‹A209.222.14.32015-06-09 β†’ 2015-06-09 Β· 3 obs
● 2015-06-09 13:36:38
β—‹ 2015-10-23 06:33:06
β—‹ 2026-07-21 12:06:14
β—‹A2606:4700:130:436c:6f75:6466:6c61:72652026-03-24 β†’ 2026-07-21 Β· 2 obs
β—‹ 2026-03-24 20:49:10
β—‹ 2026-07-21 12:06:14
β—‹A2606:4700:3030::ac43:98f22026-03-24 β†’ 2026-06-29 Β· 7 obs
β—‹ 2015-10-23 06:33:06
● 2026-03-24 20:49:10
● 2026-05-30 14:15:58
β—‹ 2026-06-29 12:42:56
● 2026-06-29 17:41:04
β—‹ 2026-07-16 17:17:52
β—‹ 2026-07-21 12:06:14
●A2606:4700:3032::6815:389d2026-03-24 β†’ 2026-07-21 Β· 6 obs
β—‹ 2015-10-23 06:33:06
● 2026-03-24 20:49:10
● 2026-05-30 14:15:58
β—‹ 2026-06-29 12:42:56
● 2026-06-29 17:41:04
● 2026-07-21 12:06:14
●A2606:4700:3032::ac43:98f22026-07-16 β†’ 2026-07-21 Β· 3 obs
β—‹ 2026-06-29 17:41:04
● 2026-07-16 17:17:52
● 2026-07-21 12:06:14
β—‹A2a06:98c1:3120::2026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-30 14:15:58
● 2026-06-29 12:42:56
β—‹ 2026-06-29 17:41:04
β—‹ 2026-07-21 12:06:14
β—‹A2a06:98c1:3121::2026-06-29 β†’ 2026-06-29 Β· 4 obs
β—‹ 2026-05-30 14:15:58
● 2026-06-29 12:42:56
β—‹ 2026-06-29 17:41:04
β—‹ 2026-07-21 12:06:14

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...-
readkr.comalexa.ns.cloudflare.com, jasper.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.194.215

NS records: alexa.ns.cloudflare.com, jasper.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readkr.com (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.152.242, 104.21.56.157
AAAA22606:4700:3032::6815:389d, 2606:4700:3032::ac43:98f2
NS2alexa.ns.cloudflare.com, jasper.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alexa.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 12

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

Analysis

IP Addresses

readkr.com directs to four IP numbers, which are 104.21.56.157, 172.67.152.242, 2606:4700:3032::6815:389d and 2606:4700:3032::ac43:98f2.

Among the host names that share IP numbers with readkr.com are www.bb487.top, efavirenz.populr.me, levofloxacinde.populr.me and two others.

Name Servers

readkr.com is served by two delegated name servers, alexa.ns.cloudflare.com and jasper.ns.cloudflare.com.

readkr.com has the same name server delegation as a number of other domains, such as taniey.pl, ttp224.shop, t(0x787878)n.win and two more.

There is at least partial name server overlap between readkr.com and other domains β€” allnurses-central.com, pedangtogel8899.com, netplanet.com.au and two more among them.

These name servers tend to appear in combination with the name servers elly.ns.cloudflare.com, yisroel.ns.cloudflare.com, lee.ns.cloudflare.com and marty.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

alexa.ns.cloudflare.com carries IP addresses 108.162.194.215, 162.159.38.215 and 172.64.34.215, with 3 other addresses beyond those.

jasper.ns.cloudflare.com carries IP addresses 108.162.195.182, 162.159.44.182 and 172.64.35.182, with 3 other addresses beyond those.