studymc.com - dns.ninja

`studymc.com`

DNSSEC	⚠️ Not signed
A	203.245.44.73^{🇰🇷 KT-NET203.245.0.0/18 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	`studymc.com` ⭐
		A	203.245.44.73^{🇰🇷 KT-NET203.245.0.0/18 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`
		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`
		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}
NS	`ns2.cafe24.co.kr`
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com`
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
MX	`mw-002.cafe24.com` ⭐
		A	211.34.104.38^{🇰🇷 KT-NET211.34.104.0/24}
			PTR	`mw-002.cafe24.com`
TXT	`v=spf1 ip4:203.245.44.73 ~all`
SOA	`studymc.com`postmaster@studymc.com serial=20211026

`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=1786057609

NS for

studymc.com

Previously MX for

studymc.com

Same first word

studymc.com

DNS History

19 records (7 active, 12 former)

○NSlocalhost2016-09-20 → 2017-06-17 · 5 obs

○ 2016-04-09 10:08:12
● 2016-09-20 04:39:34
● 2017-06-17 19:22:52
○ 2026-03-31 00:17:04
○ 2026-08-06 23:25:34

○NSmaster.dns.ne.jp2015-06-05 → 2016-04-09 · 4 obs

● 2015-06-05 09:08:04
● 2016-04-09 10:08:12
○ 2016-09-20 04:39:34
○ 2026-08-06 23:25:34

●NSns1.cafe24.co.kr2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

●NSns1.cafe24.com2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

○NSns1.dns.ne.jp2015-06-05 → 2016-04-09 · 4 obs

● 2015-06-05 09:08:04
● 2016-04-09 10:08:12
○ 2016-09-20 04:39:34
○ 2026-08-06 23:25:34

○NSns1.mytrafficmanagement.com2016-09-20 → 2017-06-17 · 5 obs

○ 2016-04-09 10:08:12
● 2016-09-20 04:39:34
● 2017-06-17 19:22:52
○ 2026-03-31 00:17:04
○ 2026-08-06 23:25:34

●NSns2.cafe24.co.kr2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

●NSns2.cafe24.com2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

○NSns2.dns.ne.jp2015-06-05 → 2016-04-09 · 4 obs

● 2015-06-05 09:08:04
● 2016-04-09 10:08:12
○ 2016-09-20 04:39:34
○ 2026-08-06 23:25:34

○NSns2.mytrafficmanagement.com2016-09-20 → 2017-06-17 · 5 obs

○ 2016-04-09 10:08:12
● 2016-09-20 04:39:34
● 2017-06-17 19:22:52
○ 2026-03-31 00:17:04
○ 2026-08-06 23:25:34

●NSstudymc.com2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

○MXmail.pickelhost.com2017-06-17 → 2017-06-17 · 4 obs

○ 2016-09-20 04:39:34
● 2017-06-17 19:22:52
○ 2026-03-31 00:17:04
○ 2026-08-06 23:25:34

●MXmw-002.cafe24.com2026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

○MXstudymc.com2015-06-05 → 2016-04-09 · 4 obs

● 2015-06-05 09:08:04
● 2016-04-09 10:08:12
○ 2016-09-20 04:39:34
○ 2026-08-06 23:25:34

○A192.230.66.932016-09-20 → 2016-09-20 · 4 obs

○ 2016-04-09 10:08:12
● 2016-09-20 04:39:34
○ 2017-06-17 19:22:52
○ 2026-08-06 23:25:34

○A192.230.74.932016-09-20 → 2016-09-20 · 4 obs

○ 2016-04-09 10:08:12
● 2016-09-20 04:39:34
○ 2017-06-17 19:22:52
○ 2026-08-06 23:25:34

●A203.245.44.732026-03-31 → 2026-08-06 · 3 obs

○ 2017-06-17 19:22:52
● 2026-03-31 00:17:04
● 2026-08-06 23:25:34

○A219.94.129.1662015-06-05 → 2016-04-09 · 4 obs

● 2015-06-05 09:08:04
● 2016-04-09 10:08:12
○ 2016-09-20 04:39:34
○ 2026-08-06 23:25:34

○A45.33.9.2342017-06-17 → 2017-06-17 · 4 obs

○ 2016-09-20 04:39:34
● 2017-06-17 19:22:52
○ 2026-03-31 00:17:04
○ 2026-08-06 23:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
studymc.com	ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr	9 records

✅ Authoritative Response

Server:112.175.246.230

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studymc.com (unsigned zone)

⏱️ Timing

Total: 1646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.245.44.73`
NS	4	`ns2.cafe24.com, ns1.cafe24.com...`
MX	1	`mw-002.cafe24.com (pri: 10)`
TXT	1	`v=spf1 ip4:203.245.44.73 ~all`
SOA	1	`studymc.com postmaster.studymc.com`

📌 Glue Records Collected

Total: 9

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

Analysis

Name Server Role

The NS records for studymc.com point back to studymc.com itself.

ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are often grouped with studymc.com to function as name servers.

IP Addresses

studymc.com resolves to just one IP address, 203.245.44.73.

Two other host names, along with asi.or.kr, nicostop.com and aptdamoa.com, also share IP numbers with studymc.com.

Name Servers

studymc.com has five authoritative name servers, specifically studymc.com, ns1.cafe24.com, ns2.cafe24.com and two others.

The name servers of studymc.com overlap at least partially with those of other domains — among them wotc.co.kr, punsu.net, artecintl.com and two more.

These name servers commonly appear in delegations together with ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 4 other.

Host names directing to five IP addresses:

ns1.cafe24.com has four IP addresses — 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.

Host names that resolve to four IP numbers:

ns2.cafe24.com resolves to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr resolves to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names that point to one IP address:

studymc.com has the IP address 203.245.44.73.

Mail Servers

The sole mail server for studymc.com is mw-002.cafe24.com.

Among the domains sharing a mail server setup with studymc.com are mon-gout.com, jeus.co.kr, erailtour.com and two others.

There is at least a partial MX overlap between studymc.com and other domains, including cnts.co.kr, korea-soft.com, dofasys.com and two others.

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