`knowaboutkorea.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dd06^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:18eb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.235^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.6^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
NS	`merlin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`merlin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`merlin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`merlin.ns.cloudflare.com`
		A	108.162.193.205^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`merlin.ns.cloudflare.com`
		A	172.64.33.205^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`merlin.ns.cloudflare.com`
		A	173.245.59.205^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`merlin.ns.cloudflare.com`
MX	`aspmx.daum.net` ⭐
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
MX	`alt.aspmx.daum.net`⁽²⁰⁾
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
TXT	`google-site-verification=2D6RyMORI8GfWuhLiii38fsgGhZT1UD9p4Lr9UGCoHk`
TXT	`v=spf1 include:_spf.daum.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.235, 172.67.221.6
		IPv6 hints	2606:4700:3030::ac43:dd06, 2606:4700:3031::6815:18eb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOA	`lisa.ns.cloudflare.com`dns@cloudflare.com serial=2408322688

`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=1784302152

Same first word

knowaboutkorea.com

DNS History

8 records (8 active, 0 former)

●NSlisa.ns.cloudflare.com2026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●NSmerlin.ns.cloudflare.com2026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●MXalt.aspmx.daum.net2026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●MXaspmx.daum.net2026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●A104.21.24.2352026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●A172.67.221.62026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●A2606:4700:3030::ac43:dd062026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

●A2606:4700:3031::6815:18eb2026-06-30 → 2026-07-17 · 2 obs

● 2026-06-30 03:38:26
● 2026-07-17 15:47:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
knowaboutkorea.com	lisa.ns.cloudflare.com, merlin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.205

NS records: lisa.ns.cloudflare.com, merlin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowaboutkorea.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.235, 172.67.221.6`
AAAA	2	`2606:4700:3030::ac43:dd06, 2606:4700:3031::6815:18eb`
NS	2	`lisa.ns.cloudflare.com, merlin.ns.cloudflare.com`
MX	2	`ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20)`
TXT	2	`google-site-verification=2D6RyMORI8GfWuh, v=spf1 include:_spf.daum.net ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lisa.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowaboutkorea.com resolves to four IP addresses: 104.21.24.235, 172.67.221.6, 2606:4700:3030::ac43:dd06 and 2606:4700:3031::6815:18eb.

Additional host names — locksmithvillarica.com, www.256phjoin.com, slicce.co and two others — share IP numbers with knowaboutkorea.com.

Name Servers

knowaboutkorea.com uses two name servers for its delegation: lisa.ns.cloudflare.com and merlin.ns.cloudflare.com.

knowaboutkorea.com shares its name server setup with other domains, including chlinux.com, webconfigmain.pages.dev, hylauncher.net and two others.

knowaboutkorea.com has at least partial name server overlap with other domains, such as isabase.com, upwebmedia.com, sublim8.net and two others.

It is common to see these name servers used together with name servers chan.ns.cloudflare.com and ken.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname lisa.ns.cloudflare.com directs to 108.162.192.131, 172.64.32.131 and 173.245.58.131 along with 3 other IP addresses.

Hostname merlin.ns.cloudflare.com directs to 108.162.193.205, 172.64.33.205 and 173.245.59.205 along with 3 other IP addresses.

Mail Servers

knowaboutkorea.com has two mail servers: aspmx.daum.net and alt.aspmx.daum.net.

knowaboutkorea.com shares the same mail server setup as other domains, including pyeongga.com, wwebus.com, mybicycle.co.kr and two others.

At least some of knowaboutkorea.com's mail servers are shared with other domains, among them rtnc.kr, muzluv.com and iacewd.org.

aspmx.daum.net resolves to 121.53.85.23; alt.aspmx.daum.net resolves to the same IP address, 121.53.85.23.

Both aspmx.daum.net and alt.aspmx.daum.net resolve to 121.53.85.23 IP addresses each.

knowaboutkorea.com - robtex.com