kosfa.com - dns.ninja

kosfa.com

DNSSEC⚠️ Not signed
A175.119.156.248🇰🇷 SKB-NET175.112.0.0/13 SKB summary
NSns1.biznine.kr ⭐ ⚠️ Not in parent delegation
A175.119.156.232🇰🇷 SKB-NET175.112.0.0/13 SKB summary
NSns1.bizwon.kr ⚠️ Not in zone NS records
A175.119.156.232🇰🇷 SKB-NET175.112.0.0/13 SKB summary
NSns2.bizwon.kr ⚠️ Not in zone NS records
A175.119.156.240🇰🇷 SKB-NET175.112.0.0/13 SKB summary
MXmx01.mailplug.com
A121.156.118.202🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.204🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.213🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.220🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.223🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.248🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
MXmx02.mailplug.com(20)
A223.26.214.9🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
A223.26.214.10🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
TXTv=spf1 mx include:mailplug.com ~all
SOAns1.biznine.krroot@biznine.kr 2011-08-22 #11

com

Subdomains

Same first word

Similar names

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NSns1.biznine.krns1.bizwon.krns2.bizwon.krMXmx01.mailplug.commx02.mailplug.comkosfa.bizmeka.comA175.119.156.248
NSns1.biznine.kr2015-08-21 → 2026-08-02 · 2 obs
● 2015-08-21 08:07:06
● 2026-08-02 16:42:42
NSns1.bizwon.kr2026-02-26 → 2026-08-02 · 3 obs
○ 2015-08-21 08:07:06
● 2026-02-26 15:35:54
● 2026-08-02 16:42:42
NSns2.bizwon.kr2026-02-26 → 2026-08-02 · 3 obs
○ 2015-08-21 08:07:06
● 2026-02-26 15:35:54
● 2026-08-02 16:42:42
MXkosfa.bizmeka.com2015-08-21 → 2018-12-09 · 4 obs
● 2015-08-21 08:07:06
● 2018-12-09 14:01:02
○ 2026-02-26 15:35:54
○ 2026-08-02 16:42:42
MXmx01.mailplug.com2026-02-26 → 2026-08-02 · 3 obs
○ 2018-12-09 14:01:02
● 2026-02-26 15:35:54
● 2026-08-02 16:42:42
MXmx02.mailplug.com2026-02-26 → 2026-08-02 · 3 obs
○ 2018-12-09 14:01:02
● 2026-02-26 15:35:54
● 2026-08-02 16:42:42
A175.119.156.2482015-08-21 → 2026-08-02 · 2 obs
● 2015-08-21 08:07:06
● 2026-08-02 16:42:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
kosfa.comns1.bizwon.kr, ns2.bizwon.kr-

✅ Authoritative Response

Server:175.119.156.232

NS records: ns1.bizwon.kr, ns2.bizwon.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosfa.com (unsigned zone)

⏱️ Timing

Total: 2666ms | Queries: -

📄 Records

TypeCountSample Data
A1175.119.156.248
NS1ns1.biznine.kr
MX2mx02.mailplug.com (pri: 20), mx01.mailplug.com (pri: 10)
TXT1v=spf1 mx include:mailplug.com ~all
SOA1ns1.biznine.kr root.biznine.kr

Analysis

Hierarchy

The domain webmail.kosfa.com falls under the parent kosfa.com.

IP Addresses

kosfa.com points to a single IP number: 175.119.156.248.

Additional host names — kms246.bizwon.co.kr, skauto.co.kr, anyhot.net and two others — share IP numbers with kosfa.com.

Name Servers

DNS for kosfa.com is handled by three authoritative name servers: ns1.biznine.kr, ns1.bizwon.kr and ns2.bizwon.kr.

At least some of kosfa.com's name servers are shared with other domains, for example tisecurity.co.kr, khsc.kr, hitecsc.com and two more.

These name servers tend to be used in conjunction with the name servers ns2.biznine.kr.

ns1.biznine.kr, ns1.bizwon.kr and ns2.bizwon.kr each resolve to one IP address: ns1.biznine.kr and ns1.bizwon.kr both point to 175.119.156.232, while ns2.bizwon.kr points to 175.119.156.240.

Host names pointing to 175.119.156.232 IP addresses: ns1.biznine.kr and ns1.bizwon.kr.

Mail Servers

kosfa.com has two mail servers: mx01.mailplug.com and mx02.mailplug.com.

kosfa.com shares the same mail server setup as other domains, including charmcare.com, cerath.co.kr, shalomcustoms.com and two others.

kosfa.com overlaps on mail servers with several other domains, for example juneinter.com, lacuzin.com, onrikorea.com and encocns.com.

Host names with 6 IP numbers:

mx01.mailplug.com has IP addresses 121.156.118.202, 121.156.118.204 and 121.156.118.213, plus 3 other.

Host names with two IP numbers:

mx02.mailplug.com has two IP addresses: 223.26.214.9 and 223.26.214.10.