developk.kr - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developk.kr`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a358^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5af8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.248^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.88^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`blair.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2679^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c279^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blair.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2279^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`blair.ns.cloudflare.com`
		A	108.162.194.121^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	162.159.38.121^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
		A	172.64.34.121^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blair.ns.cloudflare.com`
NS	`hasslo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hasslo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c386^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hasslo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2386^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hasslo.ns.cloudflare.com`
		A	108.162.195.134^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hasslo.ns.cloudflare.com`
		A	162.159.44.134^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hasslo.ns.cloudflare.com`
		A	172.64.35.134^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hasslo.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=DqkuLylQMxSiTBsUe2HgyZQ2wBQ2YK5hn3c5cgrNTfs`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.248, 172.67.163.88
		IPv6 hints	2606:4700:3035::ac43:a358, 2606:4700:3037::6815:5af8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`blair.ns.cloudflare.com`dns@cloudflare.com serial=2416926894

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2610110721

Same first word

developk.workers.dev

developk.kr

developk.com

Similar names

kdevelop.com.au

kelpdove.site

kdevelop.org

kdevelop.it

kdevelop.com

kelpdove.click

kelpdove.cyou

kdevelop.net

Previous names

devcoop.kr

devcore.kr

devcow.kr

devcrop.kr

devcury.kr

devd.kr

devdab.kr

devdad.kr

devday.kr

devdesign.kr

devdev.kr

devdigest.kr

devdocs.kr

develab.kr

develiy.kr

develofun.kr

develop.kr

develope.kr

developeracademy.kr

developingdw.kr

Next names

development.kr

develops.kr

develove.kr

develub.kr

develups.kr

devenne.kr

devent.kr

dever.kr

deverre.kr

devers.kr

devfive.kr

devflow.kr

devfox.kr

devfree.kr

devg.kr

devgear.kr

devgenius.kr

devground.kr

devgrr.kr

DNS History

8 records (8 active, 0 former)

●NSblair.ns.cloudflare.com2026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

●NShasslo.ns.cloudflare.com2026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

●MXalt.aspmx.daum.net2026-10-11 → 2026-10-11 · 2 obs

● 2026-10-11 10:18:48
● 2026-10-11 10:18:52

●MXaspmx.daum.net2026-10-11 → 2026-10-11 · 2 obs

● 2026-10-11 10:18:48
● 2026-10-11 10:18:52

●A104.21.90.2482026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

●A172.67.163.882026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

●A2606:4700:3035::ac43:a3582026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

●A2606:4700:3037::6815:5af82026-09-06 → 2026-10-11 · 2 obs

● 2026-09-06 03:01:00
● 2026-10-11 10:18:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	g.dns.kr, e.dns.kr, c.dns.kr, b.dns.kr...	-
developk.kr	hasslo.ns.cloudflare.com, blair.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.134

NS records: hasslo.ns.cloudflare.com, blair.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developk.kr (unsigned zone)

⏱️ Timing

Total: 1239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.163.88, 104.21.90.248`
AAAA	2	`2606:4700:3035::ac43:a358, 2606:4700:3037::6815:5af8`
NS	2	`blair.ns.cloudflare.com, hasslo.ns.cloudflare.com`
MX	2	`aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20)`
TXT	1	`google-site-verification=DqkuLylQMxSiTBs`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`blair.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

developk.kr points to the four IP addresses 104.21.90.248, 172.67.163.88, 2606:4700:3035::ac43:a358 and 2606:4700:3037::6815:5af8.

panseo.app, ipmax.services, agv88.org plus two other host names have IP numbers in common with developk.kr.

Name Servers

developk.kr uses two name servers for its delegation: blair.ns.cloudflare.com and hasslo.ns.cloudflare.com.

The name server configuration of developk.kr is shared with other domains, for instance laismonique2012.workers.dev, codeindex.app, administrativo-019.workers.dev and two others.

The name servers of developk.kr overlap at least partially with those of other domains — among them reggiekfitzgeraldf.pages.dev, jayakankami.space, crm-messaging.cloud and two more.

These name servers commonly appear alongside the name servers rosalyn.ns.cloudflare.com and ivy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname blair.ns.cloudflare.com directs to 108.162.194.121, 162.159.38.121 and 172.64.34.121 along with 3 other IP addresses.

Hostname hasslo.ns.cloudflare.com directs to 108.162.195.134, 162.159.44.134 and 172.64.35.134 along with 3 other IP addresses.

Mail Servers

developk.kr uses two mail servers, aspmx.daum.net and alt.aspmx.daum.net.

The mail server setup of developk.kr matches that of other domains such as trendkit.app, fetv.co.kr, liveonair.kr and two others.

The mail servers for developk.kr overlap at least partially with those of other domains, including komta.org and 03wd.kr.

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.