koen21.com - robtex.com
koen21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.41.79.42🇰🇷 KT-NET211.41.64.0/19 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | koen21.com ⭐ | ||||||
| A | 211.41.79.42🇰🇷 KT-NET211.41.64.0/19 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | ns1.cafe24.co.kr ⚠️ Not in zone NS records | ||||||
| A | 112.175.246.232🇰🇷 KT-NET112.168.0.0/13 | ||||||
| PTR | gjit.kr | ||||||
| PTR | snoweb.kr | ||||||
| PTR | sinc2030.co.kr | ||||||
| A | 112.175.246.233🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| A | 175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| NS | ns1.cafe24.com ⚠️ Not in zone NS records | ||||||
| A | 112.175.246.230🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.246.231🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| A | 175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| A | 175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| MX | alf1.aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| MX | alf2.aspmx.whoisworks.com ⭐ | ||||||
| A | 152.70.238.229🇰🇷 ORACLE-OCI-31898152.70.232.0/21 | ||||||
| PTR | filter01.whoisworks.com | ||||||
| MX | aspmx.whoisworks.com ⭐ | ||||||
| A | 193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle | ||||||
| PTR | filter00.whoisworks.com | ||||||
| TXT | v=spf1 include.spf1.whoisworks.com ~all | ||||||
| SOA | koen21.compostmaster@koen21.com serial=20161209 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786114299 | ||||||
NS for
koen21.com |
Previously NS for
www.koen21.com |
Subdomains
www.koen21.com |
Same first word
koen21.com |
Similar names
DNS History
14 records (7 active, 7 former)
●NSkoen21.com2017-02-16 → 2026-08-07 · 3 obs
● 2017-02-16 12:22:56
● 2026-08-07 15:13:04
●NSns1.cafe24.co.kr2017-02-16 → 2026-08-07 · 3 obs
● 2017-02-16 12:22:56
● 2026-08-07 15:13:04
●NSns1.cafe24.com2017-02-16 → 2026-08-07 · 3 obs
● 2017-02-16 12:22:56
● 2026-08-07 15:13:04
○NSns11.whois.co.kr2015-06-27 → 2016-07-04 · 4 obs
● 2016-07-04 09:35:54
○ 2017-02-16 12:22:56
○ 2026-08-07 15:13:04
○NSns11.whoisweb.net2015-06-27 → 2016-07-04 · 4 obs
● 2016-07-04 09:35:54
○ 2017-02-16 12:22:56
○ 2026-08-07 15:13:04
○NSns2.cafe24.co.kr2017-02-16 → 2017-08-14 · 5 obs
● 2017-02-16 12:22:56
● 2017-08-14 20:57:44
○ 2026-07-06 06:41:44
○ 2026-08-07 15:13:04
○NSns2.cafe24.com2017-02-16 → 2017-08-14 · 5 obs
● 2017-02-16 12:22:56
● 2017-08-14 20:57:44
○ 2026-07-06 06:41:44
○ 2026-08-07 15:13:04
●MXalf1.aspmx.whoisworks.com2026-07-06 → 2026-08-07 · 3 obs
● 2026-07-06 06:41:44
● 2026-08-07 15:13:04
●MXalf2.aspmx.whoisworks.com2026-07-06 → 2026-08-07 · 3 obs
● 2026-07-06 06:41:44
● 2026-08-07 15:13:04
●MXaspmx.whoisworks.com2026-07-06 → 2026-08-07 · 3 obs
● 2026-07-06 06:41:44
● 2026-08-07 15:13:04
○MXmail.koen21.com2015-06-27 → 2017-08-14 · 4 obs
● 2017-08-14 20:57:44
○ 2026-07-06 06:41:44
○ 2026-08-07 15:13:04
○A116.127.123.492015-06-27 → 2016-07-04 · 4 obs
● 2016-07-04 09:35:54
○ 2017-02-16 12:22:56
○ 2026-08-07 15:13:04
○A183.111.141.1172017-02-16 → 2017-08-14 · 5 obs
● 2017-02-16 12:22:56
● 2017-08-14 20:57:44
○ 2026-07-06 06:41:44
○ 2026-08-07 15:13:04
●A211.41.79.422026-07-06 → 2026-08-07 · 3 obs
● 2026-07-06 06:41:44
● 2026-08-07 15:13:04
🔍 DNS Trace
Analysis
Hierarchy
koen21.com serves as the parent of www.koen21.com.
Name Server Role
koen21.com is listed as a name server for koen21.com — it is in-bailiwick, authoritative for its own domain.
The name servers ns1.cafe24.com and ns1.cafe24.co.kr are often paired with koen21.com.
IP Addresses
koen21.com has exactly one IP address — 211.41.79.42.
dptaxi.or.kr, ilp.kr, tstv.co.kr plus two other host names have IP numbers in common with koen21.com.
Name Servers
Authority for koen21.com is delegated across three name servers: koen21.com, ns1.cafe24.com and ns1.cafe24.co.kr.
koen21.com has at least partial name server overlap with other domains, such as wintersday.net, live-flex.com, ilshinlaw.kr and two others.
ns2.cafe24.com, ns2.cafe24.co.kr and ns.cafe24.com — plus 5 other name servers — are commonly paired with these name servers.
Hosts with five IP addresses:
ns1.cafe24.com has IP addresses 112.175.246.230, 112.175.246.231 and 116.126.143.242 along with two other addresses.
Host names with four IP addresses:
ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.
Host names resolving to a single IP address:
The hostname koen21.com resolves to 211.41.79.42.
Mail Servers
koen21.com has three mail servers: aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.
At least some of the mail servers used by koen21.com are shared with other domains: svec.co.kr, samwooinc.com, yjsystem.com and two others among them.
aspmx.whoisworks.com and alf1.aspmx.whoisworks.com both resolve to 193.123.252.198, while alf2.aspmx.whoisworks.com resolves to 152.70.238.229; all three hostnames carry exactly one IP address.
aspmx.whoisworks.com along with alf1.aspmx.whoisworks.com each resolve to 193.123.252.198 IP addresses.