open.is-cool.dev - robtex.com

open.is-cool.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:825🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9cc5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.37Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.156.197🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSearl.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3ba1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRearl.ns.cloudflare.com
A2803:f800:50::6ca2:c1a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRearl.ns.cloudflare.com
A2a06:98c1:50::ac40:21a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRearl.ns.cloudflare.com
A108.162.193.161🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRearl.ns.cloudflare.com
A172.64.33.161🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRearl.ns.cloudflare.com
A173.245.59.161🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRearl.ns.cloudflare.com
NSpaityn.ns.cloudflare.com
A2606:4700:50::a29f:2612🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaityn.ns.cloudflare.com
A2803:f800:50::6ca2:c212🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpaityn.ns.cloudflare.com
A2a06:98c1:50::ac40:2212🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpaityn.ns.cloudflare.com
A108.162.194.18🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaityn.ns.cloudflare.com
A162.159.38.18Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaityn.ns.cloudflare.com
A172.64.34.18🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpaityn.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.8.37, 172.67.156.197
IPv62606:4700:3031::6815:825, 2606:4700:3035::ac43:9cc5
SOAearl.ns.cloudflare.comdns@cloudflare.com serial=2399748378

is-cool.dev

DNSSEC🔒 Signed (DS record present)
A2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NSali.ns.cloudflare.com ⭐
NSskip.ns.cloudflare.com
TXTv=spf1 ~all
SOAali.ns.cloudflare.comdns@cloudflare.com serial=2400129308
⚠️ On DNS blocklist: tif

Same first word

open.audio
open.se
open.my.id
open.boutique
open.de
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open.media
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open.network
open.ca
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open.ed.jp
open.university
open.je
open.support
open.contractors

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DNS History

6 records (6 active, 0 former)

NSearl.ns.cloudflare.compaityn.ns.cloudflare.comA104.21.8.37172.67.156.1972606:4700:3031::6815:8252606:4700:3035::ac43:9cc5
●NSearl.ns.cloudflare.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36
●NSpaityn.ns.cloudflare.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36
●A104.21.8.372026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36
●A172.67.156.1972026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36
●A2606:4700:3031::6815:8252026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36
●A2606:4700:3035::ac43:9cc52026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 04:38:00
● 2026-03-28 11:30:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
is-cool.devskip.ns.cloudflare.com, ali.ns.cloudflare.com-
open.is-cool.devearl.ns.cloudflare.com, paityn.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.18

NS records: earl.ns.cloudflare.com, paityn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open.is-cool.dev (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.8.37, 172.67.156.197
AAAA22606:4700:3035::ac43:9cc5, 2606:4700:3031::6815:825
NS2earl.ns.cloudflare.com, paityn.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1earl.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

Four IP numbers are pointed to by open.is-cool.dev: 2606:4700:3031::6815:825, 2606:4700:3035::ac43:9cc5, 104.21.8.37 and 172.67.156.197.

other host names including getowt.com, www.trion.de, megauplaod.org, pakbostogel1.org and maternityclinicbelfast.co.uk share IP numbers with open.is-cool.dev.

Name Servers

open.is-cool.dev is delegated to two name servers earl.ns.cloudflare.com and paityn.ns.cloudflare.com.

open.is-cool.dev at least partially shares name servers with other domains, for instance gottlieb.info, streammaturetube.com, melissashouse.org, watchrepairtools.com.au and 959353d1958446d49b91832e0d8e21fa.online.

These name servers are commonly used alongside ajay.ns.cloudflare.com and ali.ns.cloudflare.com.

Host names with six IP numbers:

Host name earl.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba1, 2803:f800:50::6ca2:c1a1, 2a06:98c1:50::ac40:21a1, 108.162.193.161, 172.64.33.161 and 173.245.59.161.

Host name paityn.ns.cloudflare.com points to: 2606:4700:50::a29f:2612, 2803:f800:50::6ca2:c212, 2a06:98c1:50::ac40:2212, 108.162.194.18, 162.159.38.18 and 172.64.34.18.