codingtree.kr - dns.ninja

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codingtree.kr

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8fdc🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3f3a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.58Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.220🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemma.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A2803:f800:50::6ca2:c070🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemma.ns.cloudflare.com
A2a06:98c1:50::ac40:2070🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemma.ns.cloudflare.com
A108.162.192.112🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A172.64.32.112🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A173.245.58.112🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
NSlakas.ns.cloudflare.com
A2606:4700:58::adf5:3bc2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A2803:f800:50::6ca2:c1c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlakas.ns.cloudflare.com
A2a06:98c1:50::ac40:21c2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlakas.ns.cloudflare.com
A108.162.193.194🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A172.64.33.194🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A173.245.59.194🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
MXkr1-aspmx1.worksmobile.com ⭐
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
MXkr1-aspmx2.worksmobile.com(20)
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.58, 172.67.143.220
IPv6 hints2606:4700:3030::ac43:8fdc, 2606:4700:3033::6815:3f3a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAemma.ns.cloudflare.comdns@cloudflare.com serial=2413399898

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=2609011124

Same first word

codingtree.net
codingtree.kr
codingtree.com

Similar names

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edgetronic.com

Previous names

codezen.kr
codezip.kr
codezy.kr
codie.kr
codimate.kr
codimode.kr
coding.kr
codingbot.kr
codingcat.kr
codingchallenge.kr
codingclass.kr
codingcom.kr
codingduck.kr
codingfirst.kr
codingfun.kr
codingjay.kr
codingmaker.kr
codingnews.kr
codingpanda.kr
codingpia.kr

Next names

codit.kr
codix.kr
codm.kr
codr.kr
codus.kr
cody.kr
codyssey.kr
codysseycampus.kr
coed.kr
coeffect.kr
coei.kr
coelacanth.kr
coeofficial.kr
coeurcoffeeroasters.kr
coevo.kr
coevolution.kr
coexdev.kr
cofa.kr
coface.kr
coff.kr

DNS History

8 records (8 active, 0 former)

NSemma.ns.cloudflare.comlakas.ns.cloudflare.comMXkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.comA104.21.63.58172.67.143.2202606:4700:3030::ac43:8fdc2606:4700:3033::6815:3f3a
●NSemma.ns.cloudflare.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●NSlakas.ns.cloudflare.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●MXkr1-aspmx1.worksmobile.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●MXkr1-aspmx2.worksmobile.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●A104.21.63.582026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●A172.67.143.2202026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●A2606:4700:3030::ac43:8fdc2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28
●A2606:4700:3033::6815:3f3a2026-08-28 → 2026-09-01 · 2 obs
● 2026-08-28 02:53:26
● 2026-09-01 18:24:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
codingtree.kremma.ns.cloudflare.com, lakas.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.194

NS records: emma.ns.cloudflare.com, lakas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codingtree.kr (unsigned zone)

⏱️ Timing

Total: 1866ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.143.220, 104.21.63.58
AAAA22606:4700:3030::ac43:8fdc, 2606:4700:3033::6815:3f3a
NS2emma.ns.cloudflare.com, lakas.ns.cloudflare.com
MX2kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emma.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

codingtree.kr has four IP addresses: 104.21.63.58, 172.67.143.220, 2606:4700:3030::ac43:8fdc and 2606:4700:3033::6815:3f3a.

Additional host names — chareemag.com, suitpub.com, iceracing.ca and two others — share IP numbers with codingtree.kr.

Name Servers

codingtree.kr is delegated to two name servers: emma.ns.cloudflare.com and lakas.ns.cloudflare.com.

codingtree.kr shares its name server setup with other domains, including almasvpn.workers.dev, aard.ai, sidreaper.workers.dev and two others.

codingtree.kr partially shares its NS delegation with several other domains, including 3108808966.workers.dev, area-23.workers.dev, keralakhadi.org and two others.

These name servers regularly co-occur with the name servers deb.ns.cloudflare.com, nadia.ns.cloudflare.com and ajay.ns.cloudflare.com.

Host names with 6 IP numbers:

emma.ns.cloudflare.com resolves to 108.162.192.112, 172.64.32.112, 173.245.58.112 and 3 other IP addresses.

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194, 173.245.59.194 and 3 other IP addresses.

Mail Servers

codingtree.kr has two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

codingtree.kr shares the same mail server setup as other domains, including postfin.co.kr, wincert.com, oz.co.kr and two others.

codingtree.kr shares mail servers — at least in part — with other domains, including hm.or.kr, woobok.co.kr, ayoonmedi.com and two others.

kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com both resolve to the same single IP address: 125.209.209.251.

kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com are host names that each point to 125.209.209.251 IP addresses.