12code.kr - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

12code.kr

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:509b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9757🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.80.155Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.87🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSivy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a78🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A2803:f800:50::6ca2:c078🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRivy.ns.cloudflare.com
A2a06:98c1:50::ac40:2078🇺🇸 Cloudflare2a06:98c1:50::/45
PTRivy.ns.cloudflare.com
A108.162.192.120🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A172.64.32.120🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A173.245.58.120🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
NSmike.ns.cloudflare.com
A2606:4700:58::a29f:2c3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A2803:f800:50::6ca2:c33f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmike.ns.cloudflare.com
A2a06:98c1:50::ac40:233f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmike.ns.cloudflare.com
A108.162.195.63🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A162.159.44.63Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A172.64.35.63🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.80.155, 172.67.151.87
IPv6 hints2606:4700:3031::6815:509b, 2606:4700:3033::ac43:9757
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=140, name=cloudflare-ech.com
SOAivy.ns.cloudflare.comdns@cloudflare.com serial=2414175802

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2609211055

Same first word

12code.eu
12code.pages.dev
12code.ca
12code.com
12code.nl
12code.kr

Similar names

code21.pages.dev
code21.com.br
code12.net
code21.io
code21.day
code21.com.au
code21.cz
code21.courses
code21.ai
12doce.co
code12.blogspot.com
code12.dev.br
21code.de
21doce.com
12doce.com
code12.cloud
1code2.com
code21.com
code21.workers.dev
code21.org
code12.com.au
code12.com
21code.com
code12.de
code21.at
12doce.es
deco21.de
code21.net
code21.academy
code12.org
code21.dev
21doce.mx
doce21.com
deco21.fr
code21.ru
code21.de
deco12.ch
code12.pages.dev
21doce.com.mx
code12.biz
code12.xyz
code12.co

Previous names

1230.kr
1231.kr
1234.kr
1237.kr
123a.kr
123car.kr
123dbking.kr
123doctor.kr
123doctors.kr
123homefood.kr
123korea.kr
123movie.kr
123movies.kr
123pay.kr
123sabicraftfesta.kr
1255.kr
125cc.kr
127room.kr
12co.kr

Next names

12dna.kr
12door.kr
12ganjisaju.kr
12go.kr
12math.kr
12month.kr
12net.kr
12oclock.kr
12on12.kr
12play.kr
12pm.kr
12st.kr
12tax12.kr
12tech.kr
12unnie.kr
12v---------e-------lc-------------4-----------------------4.kr
134340.kr
13450.kr

DNS History

6 records (6 active, 0 former)

NSivy.ns.cloudflare.commike.ns.cloudflare.comA104.21.80.155172.67.151.872606:4700:3031::6815:509b2606:4700:3033::ac43:9757
●NSivy.ns.cloudflare.com2026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52
●NSmike.ns.cloudflare.com2026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52
●A104.21.80.1552026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52
●A172.67.151.872026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52
●A2606:4700:3031::6815:509b2026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52
●A2606:4700:3033::ac43:97572026-09-09 → 2026-09-21 · 2 obs
● 2026-09-09 13:32:14
● 2026-09-21 15:34:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, g.dns.kr, f.dns.kr...10 records
12code.krivy.ns.cloudflare.com, mike.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.120

NS records: ivy.ns.cloudflare.com, mike.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12code.kr (unsigned zone)

⏱️ Timing

Total: 974ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.151.87, 104.21.80.155
AAAA22606:4700:3033::ac43:9757, 2606:4700:3031::6815:509b
NS2ivy.ns.cloudflare.com, mike.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ivy.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)

Analysis

IP Addresses

12code.kr has four IP addresses: 104.21.80.155, 172.67.151.87, 2606:4700:3031::6815:509b and 2606:4700:3033::ac43:9757.

Among the host names that share IP numbers with 12code.kr are educatilxd.com, rhinoslot.site, operisam.com and two others.

Name Servers

12code.kr has two authoritative name servers — ivy.ns.cloudflare.com and mike.ns.cloudflare.com.

12code.kr has the same name server delegation as a number of other domains, such as ejv2lm59c0ow.workers.dev, xingmeisjdyw.pages.dev, balancelifee.info and two more.

12code.kr partially shares its NS delegation with several other domains, including glowwaxcandle.world, hashimmohamed.workers.dev, mwsalesarchitecture.au and two others.

These name servers are regularly seen alongside treasure.ns.cloudflare.com and meadow.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

ivy.ns.cloudflare.com points to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.

mike.ns.cloudflare.com points to 108.162.195.63, 162.159.44.63, 172.64.35.63 and 3 other IP addresses.