cool-u.com - robtex.com

cool-u.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:adbd🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:480e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.14Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.189🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScrystal.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A2803:f800:50::6ca2:c2ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcrystal.ns.cloudflare.com
A2a06:98c1:50::ac40:22ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcrystal.ns.cloudflare.com
A108.162.194.202🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A162.159.38.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A172.64.34.202🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
NSthaddeus.ns.cloudflare.com
A2606:4700:58::a29f:2c7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A2803:f800:50::6ca2:c37f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthaddeus.ns.cloudflare.com
A2a06:98c1:50::ac40:237f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRthaddeus.ns.cloudflare.com
A108.162.195.127🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A162.159.44.127Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
A172.64.35.127🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthaddeus.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.72.14, 172.67.173.189
IPv62606:4700:3032::ac43:adbd, 2606:4700:3034::6815:480e
SOAcrystal.ns.cloudflare.comdns@cloudflare.com serial=2398978049

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=1774533302

Same first word

cool-u.com

DNS History

27 records (6 active, 21 former)

200920112013201520172019202120232025NScrystal.ns.cloudflare.comthaddeus.ns.cloudflare.comchris.ns.cloudflare.comns09.domaincontrol.comns10.domaincontrol.comserver1-ns1.udagdns.netserver1-ns2.udagdns.netserver1-ns3.udagdns.nettegan.ns.cloudflare.comMXmailstore1.secureserver.netmx00.udag.demx01.udag.desmtp.secureserver.netA104.21.72.14172.67.173.1892606:4700:3032::ac43:adbd2606:4700:3034::6815:480e104.28.18.25104.28.19.25188.114.96.0188.114.97.02400:cb00:2048:1::681c:12192400:cb00:2048:1::681c:13192a06:98c1:3120::2a06:98c1:3121::50.63.93.189.31.143.1
○NSchris.ns.cloudflare.com2017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
●NScrystal.ns.cloudflare.com2026-03-01 → 2026-03-26 · 3 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-26 14:03:34
○NSns09.domaincontrol.com2015-05-21 → 2016-04-16 · 5 obs
○ 2008-03-13 08:30:04
● 2015-05-21 23:51:38
● 2016-04-16 05:34:42
○ 2017-01-11 17:01:26
○ 2026-03-26 14:03:34
○NSns10.domaincontrol.com2015-05-21 → 2016-04-16 · 5 obs
○ 2008-03-13 08:30:04
● 2015-05-21 23:51:38
● 2016-04-16 05:34:42
○ 2017-01-11 17:01:26
○ 2026-03-26 14:03:34
○NSserver1-ns1.udagdns.net2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34
○NSserver1-ns2.udagdns.net2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34
○NSserver1-ns3.udagdns.net2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34
○NStegan.ns.cloudflare.com2017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
●NSthaddeus.ns.cloudflare.com2026-03-01 → 2026-03-26 · 3 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-26 14:03:34
○MXmailstore1.secureserver.net2015-05-21 → 2016-04-16 · 5 obs
○ 2008-03-13 08:30:04
● 2015-05-21 23:51:38
● 2016-04-16 05:34:42
○ 2017-01-11 17:01:26
○ 2026-03-26 14:03:34
○MXmx00.udag.de2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34
○MXmx01.udag.de2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34
○MXsmtp.secureserver.net2015-05-21 → 2016-04-16 · 5 obs
○ 2008-03-13 08:30:04
● 2015-05-21 23:51:38
● 2016-04-16 05:34:42
○ 2017-01-11 17:01:26
○ 2026-03-26 14:03:34
●A104.21.72.142026-03-01 → 2026-03-26 · 6 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-02 23:39:22
○ 2026-03-03 10:06:04
○ 2026-03-08 07:11:24
● 2026-03-26 14:03:34
○A104.28.18.252017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
○A104.28.19.252017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
●A172.67.173.1892026-03-01 → 2026-03-26 · 6 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-02 23:39:22
○ 2026-03-03 10:06:04
○ 2026-03-08 07:11:24
● 2026-03-26 14:03:34
○A188.114.96.02026-03-03 → 2026-03-08 · 4 obs
○ 2026-03-02 23:39:22
● 2026-03-03 10:06:04
● 2026-03-08 07:11:24
○ 2026-03-26 14:03:34
○A188.114.97.02026-03-03 → 2026-03-08 · 4 obs
○ 2026-03-02 23:39:22
● 2026-03-03 10:06:04
● 2026-03-08 07:11:24
○ 2026-03-26 14:03:34
○A2400:cb00:2048:1::681c:12192017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
○A2400:cb00:2048:1::681c:13192017-01-11 → 2017-01-11 · 4 obs
○ 2016-04-16 05:34:42
● 2017-01-11 17:01:26
○ 2026-03-01 05:23:24
○ 2026-03-26 14:03:34
●A2606:4700:3032::ac43:adbd2026-03-01 → 2026-03-26 · 6 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-02 23:39:22
○ 2026-03-03 10:06:04
○ 2026-03-08 07:11:24
● 2026-03-26 14:03:34
●A2606:4700:3034::6815:480e2026-03-01 → 2026-03-26 · 6 obs
○ 2017-01-11 17:01:26
● 2026-03-01 05:23:24
● 2026-03-02 23:39:22
○ 2026-03-03 10:06:04
○ 2026-03-08 07:11:24
● 2026-03-26 14:03:34
○A2a06:98c1:3120::2026-03-03 → 2026-03-08 · 4 obs
○ 2026-03-02 23:39:22
● 2026-03-03 10:06:04
● 2026-03-08 07:11:24
○ 2026-03-26 14:03:34
○A2a06:98c1:3121::2026-03-03 → 2026-03-08 · 4 obs
○ 2026-03-02 23:39:22
● 2026-03-03 10:06:04
● 2026-03-08 07:11:24
○ 2026-03-26 14:03:34
○A50.63.93.12015-05-21 → 2016-04-16 · 5 obs
○ 2008-03-13 08:30:04
● 2015-05-21 23:51:38
● 2016-04-16 05:34:42
○ 2017-01-11 17:01:26
○ 2026-03-26 14:03:34
○A89.31.143.12008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 08:30:04
○ 2015-05-21 23:51:38
○ 2026-03-26 14:03:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...-
cool-u.comcrystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.127

NS records: crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cool-u.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.173.189, 104.21.72.14
AAAA22606:4700:3032::ac43:adbd, 2606:4700:3034::6815:480e
NS2crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1crystal.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cool-u.com maps to four IP numbers: 2606:4700:3032::ac43:adbd, 2606:4700:3034::6815:480e, 104.21.72.14 and 172.67.173.189.

other host names include magill.com.au, jrbechtle.com, 85fushiki.com, jowopools.net and kittyspout.com; they share IP numbers with cool-u.com.

Name Servers

Two name servers crystal.ns.cloudflare.com and thaddeus.ns.cloudflare.com handle the delegation for cool-u.com.

cool-u.com shares the same name server setup as other domains, for instance zhscw.cn, yyhuahong.com, szmarburg.com, hblwzs.com and hiwibang.com.

cool-u.com at least partially shares name servers with other domains, for instance actoverco.net, nationalfurnace.net, angkasabetalter.site, sezzcams.com and bnb69huat.it.com.

These name servers are commonly used with apollo.ns.cloudflare.com and meadow.ns.cloudflare.com.

Six IP addresses per host:

crystal.ns.cloudflare.com points to 2606:4700:50::a29f:26ca, 2803:f800:50::6ca2:c2ca, 2a06:98c1:50::ac40:22ca, 108.162.194.202, 162.159.38.202 and 172.64.34.202; thaddeus.ns.cloudflare.com points to 2606:4700:58::a29f:2c7f, 2803:f800:50::6ca2:c37f, 2a06:98c1:50::ac40:237f, 108.162.195.127, 162.159.44.127 and 172.64.35.127