`koolseoul.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:478f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:917a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.143^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.122^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`val.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`val.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`val.ns.cloudflare.com`
		A	108.162.192.234^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	172.64.32.234^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	173.245.58.234^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1a^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f26.1e100.net`
		A	142.251.127.27^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
TXT	`google-site-verification=jyzwKXUI7hN-PlO7bPPxJL2XI3KaSsT83dPTxAHe16s`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.71.143, 172.67.145.122
		IPv6	2606:4700:3034::6815:478f, 2606:4700:3036::ac43:917a
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2399467222

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774409337

Same first word

koolseoul.com

Similar names

seoulkool.me

DNS History

11 records (11 active, 0 former)

●NSduke.ns.cloudflare.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●NSval.ns.cloudflare.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●MXalt1.aspmx.l.google.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●MXalt2.aspmx.l.google.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●MXalt3.aspmx.l.google.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●MXalt4.aspmx.l.google.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●MXaspmx.l.google.com2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●A104.21.71.1432026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●A172.67.145.1222026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●A2606:4700:3034::6815:478f2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

●A2606:4700:3036::ac43:917a2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 16:50:28
● 2026-03-25 03:32:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koolseoul.com	duke.ns.cloudflare.com, val.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.234

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koolseoul.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.145.122, 104.21.71.143`
AAAA	2	`2606:4700:3036::ac43:917a, 2606:4700:3034::6815:478f`
NS	2	`duke.ns.cloudflare.com, val.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=jyzwKXUI7hN-PlO`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`