codeocean.co.kr - dns.ninja

`codeocean.co.kr`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:9574^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1da2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.162^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.116^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gemma.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:261b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gemma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gemma.ns.cloudflare.com`
		A	108.162.194.27^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	162.159.38.27^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
		A	172.64.34.27^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gemma.ns.cloudflare.com`
NS	`lex.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lex.ns.cloudflare.com`
		A	108.162.193.196^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	172.64.33.196^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	173.245.59.196^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
MX	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`worksmobile.certification.ksvb8m8vo0mhc30g6j.lomfaovdoxniki.qwsvlkfpk`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.162, 172.67.149.116
		IPv6 hints	2606:4700:3033::ac43:9574, 2606:4700:3037::6815:1da2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOA	`gemma.ns.cloudflare.com`dns@cloudflare.com serial=2408988509

`co.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607260505

WOT: UNKNOWN (62/100)

Same first word

codeocean.com

codeocean.co.kr

Similar names

cocoaeden.com

ecoandeco.com

DNS History

18 records (8 active, 10 former)

●NSgemma.ns.cloudflare.com2026-07-14 → 2026-07-25 · 3 obs

○ 2026-02-14 22:34:02
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

○NSjasmine.ns.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs

● 2026-02-14 22:34:02
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

●NSlex.ns.cloudflare.com2026-07-14 → 2026-07-25 · 3 obs

○ 2026-02-14 22:34:02
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

○NSmiles.ns.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs

● 2026-02-14 22:34:02
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

●MXkr1-aspmx1.worksmobile.com2026-02-14 → 2026-07-25 · 2 obs

● 2026-02-14 22:34:02
● 2026-07-25 21:38:20

●MXkr1-aspmx2.worksmobile.com2026-02-14 → 2026-07-25 · 2 obs

● 2026-02-14 22:34:02
● 2026-07-25 21:38:20

●A104.21.29.1622026-07-14 → 2026-07-25 · 3 obs

○ 2026-03-16 06:31:22
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

○A13.203.95.512026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-07 14:06:44
● 2026-03-16 06:31:22
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

○A13.204.70.1242026-02-14 → 2026-02-14 · 3 obs

● 2026-02-14 22:34:02
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

○A13.209.26.932026-02-14 → 2026-03-07 · 4 obs

● 2026-02-14 22:34:02
● 2026-03-07 14:06:44
○ 2026-03-16 06:31:22
○ 2026-07-25 21:38:20

○A13.235.18.1242026-02-14 → 2026-02-14 · 3 obs

● 2026-02-14 22:34:02
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

●A172.67.149.1162026-07-14 → 2026-07-25 · 3 obs

○ 2026-03-16 06:31:22
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

●A2606:4700:3033::ac43:95742026-07-14 → 2026-07-25 · 3 obs

○ 2026-03-16 06:31:22
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

●A2606:4700:3037::6815:1da22026-07-14 → 2026-07-25 · 3 obs

○ 2026-03-16 06:31:22
● 2026-07-14 12:55:16
● 2026-07-25 21:38:20

○A3.110.126.1692026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-07 14:06:44
● 2026-03-16 06:31:22
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

○A3.34.122.2362026-02-14 → 2026-03-07 · 4 obs

● 2026-02-14 22:34:02
● 2026-03-07 14:06:44
○ 2026-03-16 06:31:22
○ 2026-07-25 21:38:20

○A3.35.208.2382026-02-14 → 2026-03-07 · 4 obs

● 2026-02-14 22:34:02
● 2026-03-07 14:06:44
○ 2026-03-16 06:31:22
○ 2026-07-25 21:38:20

○A43.205.217.1602026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-07 14:06:44
● 2026-03-16 06:31:22
○ 2026-07-14 12:55:16
○ 2026-07-25 21:38:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	f.dns.kr, c.dns.kr, b.dns.kr, d.dns.kr...	-
codeocean.co.kr	gemma.ns.cloudflare.com, lex.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.196

NS records: gemma.ns.cloudflare.com, lex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeocean.co.kr (unsigned zone)

⏱️ Timing

Total: 2635ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.116, 104.21.29.162`
AAAA	2	`2606:4700:3033::ac43:9574, 2606:4700:3037::6815:1da2`
NS	2	`gemma.ns.cloudflare.com, lex.ns.cloudflare.com`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)`
TXT	1	`worksmobile.certification.ksvb8m8vo0mhc3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gemma.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

codeocean.co.kr resolves to four IP addresses: 104.21.29.162, 172.67.149.116, 2606:4700:3033::ac43:9574 and 2606:4700:3037::6815:1da2.

trevormorganmusic.com, luxogoa.pro, ntpclothing.com plus two other host names have IP numbers in common with codeocean.co.kr.

Name Servers

The NS records for codeocean.co.kr delegate to gemma.ns.cloudflare.com and lex.ns.cloudflare.com.

The name server configuration of codeocean.co.kr is shared with other domains, for instance ridetulip.com, gcpud.net, mxtracker.org and two others.

codeocean.co.kr partially shares its NS delegation with several other domains, including jessetaylor.net, pafialafan.org, idcjc.com and two others.

These name servers often co-occur with the name servers seamus.ns.cloudflare.com.

Hosts with 6 IP addresses each:

gemma.ns.cloudflare.com maps to 108.162.194.27, 162.159.38.27, 172.64.34.27 and 3 additional IP addresses.

lex.ns.cloudflare.com maps to 108.162.193.196, 172.64.33.196, 173.245.59.196 and 3 additional IP addresses.

Mail Servers

codeocean.co.kr uses two mail servers, kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

The mail server setup of codeocean.co.kr matches that of other domains such as super-race.com, isb-i.com, mutorp.com and two others.

At least some of the mail servers used by codeocean.co.kr are shared with other domains: woorimarine.com, jbmc.co.kr, maxmovie.com and two others among them.

Each of kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com points to exactly one IP address: 125.209.209.251.

kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com each have 125.209.209.251 IP addresses.