coolwj.com - robtex.com

coolwj.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:10f0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d915🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.240Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.21🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScortney.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A2803:f800:50::6ca2:c057🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcortney.ns.cloudflare.com
A2a06:98c1:50::ac40:2057🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcortney.ns.cloudflare.com
A108.162.192.87🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A172.64.32.87🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A173.245.58.87🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
NSnick.ns.cloudflare.com
A2606:4700:58::adf5:3bd5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnick.ns.cloudflare.com
A2803:f800:50::6ca2:c1d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnick.ns.cloudflare.com
A2a06:98c1:50::ac40:21d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnick.ns.cloudflare.com
A108.162.193.213🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnick.ns.cloudflare.com
A172.64.33.213🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnick.ns.cloudflare.com
A173.245.59.213🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnick.ns.cloudflare.com
MXmx1.feishu.cn ⭐
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTgoogle-site-verification=RjbON7bxr5O5tiecMcGaFfRd7To9NqGc4m6gCMy8qCs
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
TXTverification-code-site-App_feishu=Lt6DHsAdxCD4xV29n574
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.240, 172.67.217.21
IPv6 hints2606:4700:3033::6815:10f0, 2606:4700:3037::ac43:d915
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com
SOAcortney.ns.cloudflare.comdns@cloudflare.com serial=2398622424

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=1776014382

Same first word

coolwj.com

Similar names

wjcool.com

DNS History

11 records (9 active, 2 former)

2017201820192020202120222023202420252026NScortney.ns.cloudflare.comnick.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA104.21.16.240172.67.217.212606:4700:3033::6815:10f02606:4700:3037::ac43:d915
●NScortney.ns.cloudflare.com2026-04-06 → 2026-04-12 · 3 obs
○ 2016-12-20 21:44:54
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
○NSf1g1ns1.dnspod.net2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 21:44:54
○ 2026-04-06 18:24:22
○ 2026-04-12 17:34:58
○NSf1g1ns2.dnspod.net2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 21:44:54
○ 2026-04-06 18:24:22
○ 2026-04-12 17:34:58
●NSnick.ns.cloudflare.com2026-04-06 → 2026-04-12 · 3 obs
○ 2016-12-20 21:44:54
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●MXmx1.feishu.cn2026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●MXmx2.feishu.cn2026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●MXmx3.feishu.cn2026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●A104.21.16.2402026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●A172.67.217.212026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●A2606:4700:3033::6815:10f02026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58
●A2606:4700:3037::ac43:d9152026-04-06 → 2026-04-12 · 2 obs
● 2026-04-06 18:24:22
● 2026-04-12 17:34:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...-
coolwj.comnick.ns.cloudflare.com, cortney.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.213

NS records: nick.ns.cloudflare.com, cortney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolwj.com (unsigned zone)

⏱️ Timing

Total: 121ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.217.21, 104.21.16.240
AAAA22606:4700:3037::ac43:d915, 2606:4700:3033::6815:10f0
NS2cortney.ns.cloudflare.com, nick.ns.cloudflare.com
MX3mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...
TXT3google-site-verification=RjbON7bxr5O5tie, v=spf1 +include:_netblocks.m.feishu.cn -...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cortney.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by coolwj.com: 2606:4700:3033::6815:10f0, 2606:4700:3037::ac43:d915, 104.21.16.240 and 172.67.217.21.

other host names including chien-traineau.fr, kandzia.eu, drive.al, gearshade.today and 789gu.com share IP numbers with coolwj.com.

Name Servers

coolwj.com is delegated to two name servers cortney.ns.cloudflare.com and nick.ns.cloudflare.com.

coolwj.com shares the same name server setup as other domains, for instance sweetnature(0x6e756465)s.com, badassgirlfriends.com, realboys4u.com, (0x706f726e)starsspain.com and (0x6d696c66)gfs.com.

coolwj.com at least partially shares name servers with other domains, for instance redissueforum.co.uk, zwdrs.info, yyfqfloor.com, solartecegypt.com and aisener.com.

these name servers are commonly used alongside venus.ns.cloudflare.com.

Host names with six IP numbers:

Host name cortney.ns.cloudflare.com points to: 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87.

Host name nick.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd5, 2803:f800:50::6ca2:c1d5, 2a06:98c1:50::ac40:21d5, 108.162.193.213, 172.64.33.213 and 173.245.59.213.

Mail Servers

coolwj.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

coolwj.com shares some mail servers with other domains, at least partially, for instance creaction-network.com, btgjinglun.com, volaterra.com, cfmmagazine.com and shking.cn.

Host names with three IP numbers

mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0

Host names with two IP numbers

mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0

Host names with one IP number

mx1.feishu.cn points to 52.220.106.220

Host names pointing to 52.220.106.220

mx3.feishu.cn and mx1.feishu.cn

Host names pointing to 101.126.58.225

mx3.feishu.cn and mx2.feishu.cn

Host names pointing to 122.14.229.0

mx3.feishu.cn and mx2.feishu.cn