mail.coolncool.com - dns.ninja

mail.coolncool.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:9770🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5a17🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.23Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.112🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.23, 172.67.151.112
IPv6 hints2606:4700:3032::ac43:9770, 2606:4700:3037::6815:5a17
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=30, name=cloudflare-ech.com

coolncool.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:9770🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5a17🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.23Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.112🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
NSrosemary.ns.cloudflare.com
MXkr1-aspmx1.worksmobile.com ⭐
MXkr1-aspmx2.worksmobile.com(20)
MX_dc-mx.13a285c655eb.coolncool.com(30)
TXTv=spf1 include:spf.worksmobile.com ~all
TXTvspf1 ip4:183.110.224.024 ip4:175.126.146.024 ip4:112.175.12.024 ip4:118.219....
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.23, 172.67.151.112
IPv6 hints2606:4700:3032::ac43:9770, 2606:4700:3037::6815:5a17
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=30, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2411989044

Previously MX for

coolncool.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.90.23172.67.151.1122606:4700:3032::ac43:97702606:4700:3037::6815:5a17118.129.167.148
●A104.21.90.232026-08-12 → 2026-08-12 · 2 obs
○ 2016-09-22 07:40:38
● 2026-08-12 08:22:20
○A118.129.167.1482015-05-03 → 2016-09-22 · 3 obs
● 2015-05-03 15:29:46
● 2016-09-22 07:40:38
○ 2026-08-12 08:22:20
●A172.67.151.1122026-08-12 → 2026-08-12 · 2 obs
○ 2016-09-22 07:40:38
● 2026-08-12 08:22:20
●A2606:4700:3032::ac43:97702026-08-12 → 2026-08-12 · 2 obs
○ 2016-09-22 07:40:38
● 2026-08-12 08:22:20
●A2606:4700:3037::6815:5a172026-08-12 → 2026-08-12 · 2 obs
○ 2016-09-22 07:40:38
● 2026-08-12 08:22:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...-
coolncool.comduke.ns.cloudflare.com, rosemary.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.77

NS records: duke.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolncool.com (unsigned zone)

⏱️ Timing

Total: 233ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.151.112, 104.21.90.23
AAAA22606:4700:3032::ac43:9770, 2606:4700:3037::6815:5a17
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.coolncool.com has four IP addresses: 104.21.90.23, 172.67.151.112, 2606:4700:3032::ac43:9770 and 2606:4700:3037::6815:5a17.

Among the host names that share IP numbers with mail.coolncool.com are 360vc.co, ingelstrom.se, cnml.com.br and two others.