kosjob.com - dns.ninja

`kosjob.com`

DNSSEC	⚠️ Not signed
A	211.233.5.244^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
		PTR	`milling-sound.com`
NS	`dns.happycgi.com` ⭐
		A	211.233.62.222^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
NS	`dns1.zidc.net` ⚠️ Not in zone NS records
		A	211.233.5.88^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
MX	`kosjob.com` ⭐
		A	211.233.5.244^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
			PTR	`milling-sound.com`
TXT	`v=spf1 ip4:211.233.5.244 ~all`
SOA	`dns.happycgi.com`root@happycgi.com 2018-01-08 #6

`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.net`nstld@verisign-grs.com serial=1783225156

Previously NS for

kosjob.com

MX for

kosjob.com

Same first word

kosjob.com

Similar names

obsjok.nl

kojobs.co.kr

jbooks.co.kr

sjbook.net

jsbook.com

jsbook.ir

kojobs.com

okjobs.cg

jsbook.net

jbooks.de

jbooks.biz

jobsok.de

jbooks.net

okjobs.ro

kosobj.com

sokobj.com

bjooks.com

bookjs.net

jsbook.ru

skojob.com

okjobs.co.za

jbooks.mobi

jsbook.co.kr

okjobs.eu

okjobs.de

sjbook.co.kr

bookjs.com

bojkos.de

jsbook.cn

jobsko.com

jbooks.com

sobokj.com

okjobs.com

jsbook.org

jobsok.com

sjbook.com

DNS History

15 records (4 active, 11 former)

●NSdns.happycgi.com2026-03-21 → 2026-07-05 · 3 obs

○ 2018-08-20 18:10:16
● 2026-03-21 05:59:24
● 2026-07-05 04:46:24

●NSdns1.zidc.net2026-03-21 → 2026-07-05 · 3 obs

○ 2018-08-20 18:10:16
● 2026-03-21 05:59:24
● 2026-07-05 04:46:24

○NSkosjob.com2016-06-23 → 2017-02-05 · 4 obs

● 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

○NSns.kosjob.com2016-06-23 → 2017-02-05 · 4 obs

● 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

○NSns1.kosjob.com2016-06-23 → 2017-02-05 · 4 obs

● 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

○NSns1.namebrightdns.com2018-08-20 → 2018-08-20 · 4 obs

○ 2017-02-05 02:36:26
● 2018-08-20 18:10:16
○ 2026-03-21 05:59:24
○ 2026-07-05 04:46:24

○NSns2.kosjob.com2016-06-23 → 2017-02-05 · 4 obs

● 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

○NSns2.namebrightdns.com2018-08-20 → 2018-08-20 · 4 obs

○ 2017-02-05 02:36:26
● 2018-08-20 18:10:16
○ 2026-03-21 05:59:24
○ 2026-07-05 04:46:24

○NSns3.kosjob.com2016-06-23 → 2017-02-05 · 4 obs

● 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

●MXkosjob.com2026-03-21 → 2026-07-05 · 3 obs

○ 2017-02-05 02:36:26
● 2026-03-21 05:59:24
● 2026-07-05 04:46:24

○MXrmw-002.fmcity.com2016-06-23 → 2016-06-23 · 3 obs

● 2016-06-23 19:52:10
○ 2017-02-05 02:36:26
○ 2026-07-05 04:46:24

○A183.111.183.42016-06-23 → 2016-06-23 · 3 obs

● 2016-06-23 19:52:10
○ 2017-02-05 02:36:26
○ 2026-07-05 04:46:24

○A211.196.153.522017-02-05 → 2017-02-05 · 4 obs

○ 2016-06-23 19:52:10
● 2017-02-05 02:36:26
○ 2018-08-20 18:10:16
○ 2026-07-05 04:46:24

●A211.233.5.2442026-03-21 → 2026-07-05 · 3 obs

○ 2018-08-20 18:10:16
● 2026-03-21 05:59:24
● 2026-07-05 04:46:24

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-08-20 → 2018-08-20 · 3 obs

● 2018-08-20 18:10:16
○ 2026-03-21 05:59:24
○ 2026-07-05 04:46:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kosjob.com	dns1.zidc.net, dns.happycgi.com	1 record

✅ Authoritative Response

Server:211.233.5.88

NS records: dns1.zidc.net, dns.happycgi.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosjob.com (unsigned zone)

⏱️ Timing

Total: 873ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.233.5.244`
NS	1	`dns.happycgi.com`
MX	1	`kosjob.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.233.5.244 ~all`
SOA	1	`dns.happycgi.com root.happycgi.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (dns.happycgi.com)

Analysis

Mail Server Role

kosjob.com serves as a mail server for kosjob.com.

IP Addresses

kosjob.com has exactly one IP address — 211.233.5.244.

pic2go.com, mirrorclinic.com, reallive.kr plus two other host names have IP numbers in common with kosjob.com.

Name Servers

Two name servers handle the delegation for kosjob.com: dns.happycgi.com and dns1.zidc.net.

The name server configuration of kosjob.com is shared with other domains, for instance metrohospital.co.kr, pul4.com, wshospital.co.kr and two others.

kosjob.com partially shares its NS delegation with several other domains, including happycgi.com, opentool.co.kr, thisjob.co.kr and two others.

These name servers are regularly seen alongside ns.ccdom.net and ns.zidc.net as name servers.

dns.happycgi.com resolves to 211.233.62.222. dns1.zidc.net resolves to 211.233.5.88. Both host names point to a single IP number.

Mail Servers

kosjob.com uses exactly one mail server, which is kosjob.com.

kosjob.com carries a single IP number, which is 211.233.5.244.