`officesolution.co.kr`

DNSSEC	⚠️ Not signed
A	116.124.128.165^{🇰🇷 SKB-NET116.124.0.0/16 SK Broadband}
NS	`ns3.hostcenter.co.kr` ⭐
		A	221.143.43.39^{🇰🇷 SKB-NET221.140.0.0/14 SK Broadband}
NS	`ns4.hostcenter.co.kr`
		A	162.159.24.142^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.25.229^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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	`v=spf1 include:_spf.daum.net ~all`
SOA	`ns3.hostcenter.co.kr`root@officesolution.co.kr 2011-07-20 #11

`co.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607160937

WOT: UNKNOWN (62/100)

Subdomains

ns.officesolution.co.kr

Same first word

officesolution.com.au

officesolution.co.kr

officesolution.cloud

officesolution.al

officesolution.ch

officesolution.no

DNS History

7 records (5 active, 2 former)

●NSns3.hostcenter.co.kr2015-08-08 → 2026-07-16 · 2 obs

● 2015-08-08 05:47:38
● 2026-07-16 12:21:44

●NSns4.hostcenter.co.kr2015-08-08 → 2026-07-16 · 2 obs

● 2015-08-08 05:47:38
● 2026-07-16 12:21:44

●MXalt.aspmx.daum.net2015-08-08 → 2026-07-16 · 2 obs

● 2015-08-08 05:47:38
● 2026-07-16 12:21:44

●MXaspmx.daum.net2015-08-08 → 2026-07-16 · 2 obs

● 2015-08-08 05:47:38
● 2026-07-16 12:21:44

●A116.124.128.1652026-06-09 → 2026-07-16 · 3 obs

○ 2020-01-21 17:59:38
● 2026-06-09 20:32:20
● 2026-07-16 12:21:44

○A218.232.111.1012015-12-08 → 2020-01-21 · 5 obs

○ 2015-08-08 05:47:38
● 2015-12-08 12:01:06
● 2020-01-21 17:59:38
○ 2026-06-09 20:32:20
○ 2026-07-16 12:21:44

○A218.232.111.1022015-08-08 → 2015-08-08 · 3 obs

● 2015-08-08 05:47:38
○ 2015-12-08 12:01:06
○ 2026-07-16 12:21:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
officesolution.co.kr	ns3.hostcenter.co.kr, ns4.hostcenter.co.kr	2 records

✅ Authoritative Response

Server:162.159.25.229

NS records: ns3.hostcenter.co.kr, ns4.hostcenter.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for officesolution.co.kr (unsigned zone)

⏱️ Timing

Total: 4040ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.124.128.165`
NS	2	`ns4.hostcenter.co.kr, ns3.hostcenter.co.kr`
MX	2	`ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20)`
TXT	1	`v=spf1 include:_spf.daum.net ~all`
SOA	1	`ns3.hostcenter.co.kr root.officesolution`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.hostcenter.co.kr, ns3.hostcenter.co.kr)

Analysis

Hierarchy

ns.officesolution.co.kr is delegated beneath officesolution.co.kr.

IP Addresses

officesolution.co.kr has exactly one IP address — 116.124.128.165.

Host names such as jwkorea.org, semielectro.com and goodfl.com share their IP numbers with officesolution.co.kr.

Name Servers

officesolution.co.kr uses two name servers for its delegation: ns3.hostcenter.co.kr and ns4.hostcenter.co.kr.

The name server configuration of officesolution.co.kr is shared with other domains, for instance ncafe.org, cctvmart.net, chube.org and two others.

There is at least partial name server overlap between officesolution.co.kr and other domains — vlife.kr, unulife.net, ssss.kr and two more among them.

These name servers frequently co-occur with the name servers ns1.ibrain.kr and ns2.ibrain.kr.

Host names pointing to two IP addresses:

ns4.hostcenter.co.kr directs traffic to 162.159.24.142 and 162.159.25.229.

Host names resolving to a single IP address:

ns3.hostcenter.co.kr has the IP address 221.143.43.39.

Mail Servers

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

The mail server setup of officesolution.co.kr matches that of other domains such as a-17.com, xn--vg1bo3s05dgtg.kr, enticket.com and two others.

officesolution.co.kr and a number of other domains — bus.or.kr, alicemartha.com, corea.ac.kr and aulabs.co.kr among them — share at least some of the same mail servers.

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.

officesolution.co.kr - robtex.com