kobserver.com - dns.ninja

kobserver.com

DNSSECโš ๏ธ Not signed
A183.111.183.75๐Ÿ‡ฐ๐Ÿ‡ท KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSkobserver.com โญ
A183.111.183.75๐Ÿ‡ฐ๐Ÿ‡ท KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns1.cafe24.co.kr
A112.175.246.232๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.246.233๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A175.125.93.136๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com
A112.175.246.230๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.246.231๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A116.126.143.242๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.co.kr
A112.175.247.232๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.247.233๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A175.125.93.146๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com
A1.226.85.4๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
A1.234.0.4๐Ÿ‡ฐ๐Ÿ‡ท SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
A112.175.12.4๐Ÿ‡ฐ๐Ÿ‡ท KT-NET112.168.0.0/13
MXmw-002.cafe24.com โญ
A211.34.104.38๐Ÿ‡ฐ๐Ÿ‡ท KT-NET211.34.104.0/24
PTRmw-002.cafe24.com
TXTv=spf1 ip4:183.111.183.75 ~all
SOAkobserver.compostmaster@kobserver.com serial=20230623

com

NS for

Previously MX for

Subdomains

Same first word

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSkobserver.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comns1.kobserver.comns1.v6nameserver.comns2.kobserver.comns2.v6nameserver.comns3.v6nameserver.comns4.v6nameserver.comMXmw-002.cafe24.comkobserver.comA183.111.183.75143.95.253.100174.136.14.1912a00:7c80:0:69::293.190.140.242
โ—NSkobserver.com2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—NSns1.cafe24.co.kr2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—NSns1.cafe24.com2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—‹NSns1.kobserver.com2015-08-13 โ†’ 2016-03-06 ยท 4 obs
โ— 2015-08-13 07:45:46
โ— 2016-03-06 08:06:22
โ—‹ 2016-07-10 17:57:46
โ—‹ 2026-06-28 15:38:14
โ—‹NSns1.v6nameserver.com2017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14
โ—NSns2.cafe24.co.kr2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—NSns2.cafe24.com2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—‹NSns2.kobserver.com2015-08-13 โ†’ 2016-03-06 ยท 4 obs
โ— 2015-08-13 07:45:46
โ— 2016-03-06 08:06:22
โ—‹ 2016-07-10 17:57:46
โ—‹ 2026-06-28 15:38:14
โ—‹NSns2.v6nameserver.com2017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14
โ—‹NSns3.v6nameserver.com2017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14
โ—‹NSns4.v6nameserver.com2017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14
โ—‹MXkobserver.com2015-08-13 โ†’ 2016-03-06 ยท 4 obs
โ— 2015-08-13 07:45:46
โ— 2016-03-06 08:06:22
โ—‹ 2016-07-10 17:57:46
โ—‹ 2026-06-28 15:38:14
โ—MXmw-002.cafe24.com2026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2016-07-10 17:57:46
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—‹A143.95.253.1002016-03-06 โ†’ 2016-03-06 ยท 4 obs
โ—‹ 2015-12-02 08:33:50
โ— 2016-03-06 08:06:22
โ—‹ 2016-07-10 17:57:46
โ—‹ 2026-06-28 15:38:14
โ—‹A174.136.14.1912015-08-13 โ†’ 2015-12-02 ยท 4 obs
โ— 2015-08-13 07:45:46
โ— 2015-12-02 08:33:50
โ—‹ 2016-03-06 08:06:22
โ—‹ 2026-06-28 15:38:14
โ—A183.111.183.752026-06-28 โ†’ 2026-06-28 ยท 3 obs
โ—‹ 2017-06-02 21:36:10
โ— 2026-06-28 06:59:20
โ— 2026-06-28 15:38:14
โ—‹A2a00:7c80:0:69::22017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14
โ—‹A93.190.140.2422017-02-18 โ†’ 2017-06-02 ยท 5 obs
โ—‹ 2016-07-10 17:57:46
โ— 2017-02-18 00:52:08
โ— 2017-06-02 21:36:10
โ—‹ 2026-06-28 06:59:20
โ—‹ 2026-06-28 15:38:14

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net...-
kobserver.comns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr9 records

โœ… Authoritative Response

Server:1.226.85.4

NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for kobserver.com (unsigned zone)

โฑ๏ธ Timing

Total: 4630ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1183.111.183.75
NS4ns2.cafe24.com, ns2.cafe24.co.kr...
MX1mw-002.cafe24.com (pri: 10)
TXT1v=spf1 ip4:183.111.183.75 ~all
SOA1kobserver.com postmaster.kobserver.com

๐Ÿ“Œ Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)

Analysis

Hierarchy

The parent domain of kobserver2.kobserver.com and kobserver.kobserver.com is kobserver.com.

Name Server Role

kobserver.com has kobserver.com as one of its name servers, making it self-hosted for DNS delegation.

Together with kobserver.com, the hosts ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are frequently configured as name servers.

IP Addresses

kobserver.com directs to one IP number, which is 183.111.183.75.

Among the host names that share IP numbers with kobserver.com are 4one.co.kr, wholesalemaskn95.com, blitzen.co.kr and two others.

Name Servers

DNS for kobserver.com is delegated to five name servers: kobserver.com, ns1.cafe24.com, ns2.cafe24.com and two others.

There is at least partial name server overlap between kobserver.com and other domains โ€” ylbna.com, cpsi.co.kr, world8725.com and two more among them.

These name servers regularly appear alongside ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 4 other name servers in NS record sets.

Hostnames that point to five IP numbers:

ns1.cafe24.com directs to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.

Hosts pointing to four IP addresses:

ns2.cafe24.com resolves to four IP addresses โ€” 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr resolves to four IP addresses โ€” 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to four IP addresses โ€” 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Hosts that resolve to one IP address:

kobserver.com has the IP address 183.111.183.75.

Mail Servers

kobserver.com routes its mail through a single mail server, mw-002.cafe24.com.

kobserver.com has the same mail server arrangement as a number of other domains, for example dfc.or.kr, dsriverside.com, xn--9l4b43el6bj3t.com and two more.

kobserver.com shares at least some of its mail servers with other domains โ€” for example exci.co.kr, trickeye.com, dovely.co.kr and two more.

These mail servers are routinely seen in conjunction with the mail servers aspmx.l.google.com and alt1.aspmx.l.google.com.

mw-002.cafe24.com directs to just one IP number, 211.34.104.38.