rwsdk.com - robtex.com

rwsdk.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9a4a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:40b4🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.64.180Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.74🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchelsea.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A2803:f800:50::6ca2:c2b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchelsea.ns.cloudflare.com
A2a06:98c1:50::ac40:22b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchelsea.ns.cloudflare.com
A108.162.194.177🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A162.159.38.177Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A172.64.34.177🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
NSkareem.ns.cloudflare.com
A2606:4700:58::a29f:2c16🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkareem.ns.cloudflare.com
A2803:f800:50::6ca2:c316🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkareem.ns.cloudflare.com
A2a06:98c1:50::ac40:2316🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkareem.ns.cloudflare.com
A108.162.195.22🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkareem.ns.cloudflare.com
A162.159.44.22Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkareem.ns.cloudflare.com
A172.64.35.22🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkareem.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute1.mx.cloudflare.net(67)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute3.mx.cloudflare.net(86)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTbrevo-code:a2baddb2a6a7c2ea770997df6554265a
TXTgoogle-site-verification=5Huc7cVNRW57lyeUxHrNI8i5wiH2nXQsTW1EwyQY5L4
TXTgoogle-site-verification=UZDFDI6bn3O7NlHoqZfHCxdLYeWGuoNbpv2ujgQkEKE
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.64.180, 172.67.154.74
IPv62606:4700:3033::ac43:9a4a, 2606:4700:3036::6815:40b4
SOAchelsea.ns.cloudflare.comdns@cloudflare.com serial=2399741239

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=1774363897
rank #391351 globally
rank #174674 in the tld

Same first word

rwsdk.com

Similar names

rswdk.cn
drksw.com
rdwks.com
drksw.de
skrwd.com
sdwkr.com
kdswr.com
wrdks.com
dwrks.com

DNS History

18 records (9 active, 9 former)

2017201820192020202120222023202420252026NSchelsea.ns.cloudflare.comkareem.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.64.180172.67.154.742606:4700:3033::ac43:9a4a2606:4700:3036::6815:40b4122.114.104.65CNAME212808.vhost366.cloudvhost.cnwww.sifangzhao.com
●NSchelsea.ns.cloudflare.com2026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
○NSdns1.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○NSdns2.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○NSdns3.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○NSdns4.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○NSdns5.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○NSdns6.iidns.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
●NSkareem.ns.cloudflare.com2026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●MXroute1.mx.cloudflare.net2026-03-09 → 2026-03-24 · 2 obs
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●MXroute2.mx.cloudflare.net2026-03-09 → 2026-03-24 · 2 obs
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●MXroute3.mx.cloudflare.net2026-03-09 → 2026-03-24 · 2 obs
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●A104.21.64.1802026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
○A122.114.104.652016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
●A172.67.154.742026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●A2606:4700:3033::ac43:9a4a2026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
●A2606:4700:3036::6815:40b42026-03-09 → 2026-03-24 · 3 obs
○ 2017-08-06 19:58:56
● 2026-03-09 21:37:54
● 2026-03-24 15:06:48
○CNAME212808.vhost366.cloudvhost.cn2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48
○CNAMEwww.sifangzhao.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 17:02:24
○ 2017-08-06 19:58:56
○ 2026-03-24 15:06:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
rwsdk.comchelsea.ns.cloudflare.com, kareem.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.177

NS records: chelsea.ns.cloudflare.com, kareem.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rwsdk.com (unsigned zone)

⏱️ Timing

Total: 187ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.154.74, 104.21.64.180
AAAA22606:4700:3033::ac43:9a4a, 2606:4700:3036::6815:40b4
NS2chelsea.ns.cloudflare.com, kareem.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 16), route1.mx.cloudflare.net (pri: 67)...
TXT4brevo-code:a2baddb2a6a7c2ea770997df65542, google-site-verification=5Huc7cVNRW57lye...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chelsea.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rwsdk.com points to four IP numbers: 2606:4700:3033::ac43:9a4a, 2606:4700:3036::6815:40b4, 104.21.64.180 and 172.67.154.74.

Other host names, for instance greedykidz.net, www.devchata.info, app.vokal.co, development.whaletech.co.jp and williamchan.me share IP numbers with rwsdk.com.

Name Servers

rwsdk.com's delegation is to two name servers chelsea.ns.cloudflare.com and kareem.ns.cloudflare.com.

rwsdk.com uses the same name server setup as other domains, for example kuroi-neko.kr and keyfinhome.com.

rwsdk.com at least partially shares its name servers with other domains, for instance 4965.com, riscad.com, bongdaso.mx, staykscl.tokyo and atrio.co.uk.

These name servers are often used together with the name servers dale.ns.cloudflare.com.

Host names with six IP numbers:

chelsea.ns.cloudflare.com points to: 2606:4700:50::a29f:26b1, 2803:f800:50::6ca2:c2b1, 2a06:98c1:50::ac40:22b1, 108.162.194.177, 162.159.38.177 and 172.64.34.177.

kareem.ns.cloudflare.com points to: 2606:4700:58::a29f:2c16, 2803:f800:50::6ca2:c316, 2a06:98c1:50::ac40:2316, 108.162.195.22, 162.159.44.22 and 172.64.35.22.

Mail Servers

rwsdk.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

rwsdk.com shares some mail servers with other domains, including sun-i.org, amc-adv.com, instantlinks.co, minna-de.com and email-send.org.

Host names with six IP numbers:

route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.