`mfk.kr`

DNSSEC	⚠️ Not signed
A	18.160.18.21^{🇺🇸 Amazon18.160.16.0/21}
		PTR	`server-18-160-18-21.iad12.r.cloudfront.net`
A	18.160.18.60^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.75^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.77^{🇺🇸 Amazon18.160.16.0/21}
NS	`ens1.hostcocoa.com` ⭐
		A	205.251.195.69^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-837.awsdns-40.net`
NS	`ens2.hostcocoa.com`
		A	205.251.196.43^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1067.awsdns-05.org`
NS	`ens3.hostcocoa.com`
		A	205.251.199.129^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1921.awsdns-48.co.uk`
NS	`ens4.hostcocoa.com`
		A	205.251.192.62^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-62.awsdns-07.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	`v=spf1 include:spf.worksmobile.com ~all`
SOA	`ens1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`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=2603080650

Same first word

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fmk.de

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fmk.co.jp

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kmf.fo

fkm.org

kmf.com.cn

fkm.ro

fkm.is

kfm.sk

fkm.de

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fkm.com.au

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kfm.co.kr

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kfm.dk

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kfm.cc

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kmf.info

fmk.es

mkf.solutions

fmk.se

kmf.dk

fmk.co

fkm.eu

mkf.net

fkm.asia

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	d.dns.kr, g.dns.kr, b.dns.kr, c.dns.kr...	-
mfk.kr	ens2.hostcocoa.com, ens1.hostcocoa.com, ens4.hostcocoa.com, ens3.hostcocoa.com	-

✅ Authoritative Response

Server: 205.251.192.62

NS records: ens2.hostcocoa.com, ens1.hostcocoa.com, ens4.hostcocoa.com, ens3.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mfk.kr (unsigned zone)

⏱️ Timing

Total: 950ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.18.77, 18.160.18.60...`
NS	4	`ens1.hostcocoa.com, ens2.hostcocoa.com...`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)`
TXT	1	`v=spf1 include:spf.worksmobile.com ~all`
SOA	1	`ens1.hostcocoa.com awsdns-hostmaster.ama`

Analysis

IP Addresses

mfk.kr maps to four IP numbers: 18.160.18.21, 18.160.18.60, 18.160.18.75 and 18.160.18.77.

Other host names, for instance www.prijateljiizkoristi.com, dfb6ri29xeyac.cloudfront.net, thimgan.com, sportswomenoftheyear.co.uk and 67a6210fdd39.d2eb2267.us-east-1.captcha.awswaf.com share IP numbers with mfk.kr.

Name Servers

mfk.kr is delegated to four name servers: ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com and ens4.hostcocoa.com.

mfk.kr at least partially shares name servers with other domains such as ccrtf.com, prainsports.com, zest.im, moeninc.co.kr and ruandko.com.

Host names with one IP number:

ens1.hostcocoa.com points to: 205.251.195.69

ens2.hostcocoa.com points to: 205.251.196.43

ens3.hostcocoa.com points to: 205.251.199.129

ens4.hostcocoa.com points to: 205.251.192.62

Mail Servers

Two mail servers handle mfk.kr: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

mfk.kr shares the same mail server setup as other domains, including magazinei.org, pubhub.kr, namuweb.co.kr, eplis.co.kr and e-attention.com.

mfk.kr shares mail servers with other domains at least in part, for instance crckorea.kr, plfil.com, satur.co.kr, jbch.org and gneglobal.com.

Hostnames with one IP number:

kr1-aspmx1.worksmobile.com points to 125.209.209.251

kr1-aspmx2.worksmobile.com points to 125.209.209.251

Hostnames pointing to 125.209.209.251: kr1-aspmx1.worksmobile.com, kr1-aspmx2.worksmobile.com

mfk.kr - robtex.com

mfk.kr

kr