`101prep.com`

DNSSEC	⚠️ Not signed
A	175.126.77.38^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`101prep.com` ⭐
		A	175.126.77.38^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
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}
			PTR	`ip-112-175-246-230.defastlink.net`
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`ip-112-175-246-231.defastlink.net`
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
			PTR	`ip-116-126-143-242.defastlink.net`
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
			PTR	`ip-175-125-93-134.defastlink.net`
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
			PTR	`ip-175-125-93-135.defastlink.net`
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}
			PTR	`ip-1-226-85-4.defastlink.net`
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
			PTR	`ip-1-234-0-4.defastlink.net`
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`ip-112-175-11-4.defastlink.net`
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`ip-112-175-12-4.defastlink.net`
MX	`mw-002.cafe24.com` ⭐
		A	211.34.104.38^{🇰🇷 KT-NET211.34.104.0/24}
			PTR	`mw-002.cafe24.com`
TXT	`v=spf1 ip4:175.126.77.38 ~all`
SOA	`101prep.com`postmaster@101prep.com serial=20220908

`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=1771291435

NS for

101prep.com

Same first word

101prep.com

Similar names

prep101.com

DNS History

15 records (7 active, 8 former)

●NS101prep.com2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

●NSns1.cafe24.co.kr2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

●NSns1.cafe24.com2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

○NSns1.namebrightdns.com2015-06-27 → 2017-03-19 · 6 obs

● 2015-06-27 08:10:52
○ 2015-11-27 10:52:06
● 2016-03-02 19:03:02
● 2017-03-19 07:22:14
○ 2026-03-11 23:17:48
○ 2026-03-12 03:59:46

●NSns2.cafe24.co.kr2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

●NSns2.cafe24.com2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

○NSns2.namebrightdns.com2015-06-27 → 2017-03-19 · 6 obs

● 2015-06-27 08:10:52
○ 2015-11-27 10:52:06
● 2016-03-02 19:03:02
● 2017-03-19 07:22:14
○ 2026-03-11 23:17:48
○ 2026-03-12 03:59:46

○NSnsg1.namebrightdns.com2015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-27 08:10:52
● 2015-11-27 10:52:06
○ 2016-03-02 19:03:02
○ 2026-03-12 03:59:46

○NSnsg2.namebrightdns.com2015-11-27 → 2015-11-27 · 4 obs

○ 2015-06-27 08:10:52
● 2015-11-27 10:52:06
○ 2016-03-02 19:03:02
○ 2026-03-12 03:59:46

○MXmail1.namebrightmail.com2015-06-27 → 2017-03-19 · 4 obs

● 2015-06-27 08:10:52
● 2017-03-19 07:22:14
○ 2026-03-11 23:17:48
○ 2026-03-12 03:59:46

○MXmail2.namebrightmail.com2015-06-27 → 2017-03-19 · 4 obs

● 2015-06-27 08:10:52
● 2017-03-19 07:22:14
○ 2026-03-11 23:17:48
○ 2026-03-12 03:59:46

●MXmw-002.cafe24.com2026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

●A175.126.77.382026-03-11 → 2026-03-12 · 3 obs

○ 2017-03-19 07:22:14
● 2026-03-11 23:17:48
● 2026-03-12 03:59:46

○A23.229.115.2472015-11-27 → 2017-03-19 · 5 obs

○ 2015-06-27 08:10:52
● 2015-11-27 10:52:06
● 2017-03-19 07:22:14
○ 2026-03-11 23:17:48
○ 2026-03-12 03:59:46

○A54.175.122.202015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 08:10:52
○ 2015-11-27 10:52:06
○ 2026-03-12 03:59:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
101prep.com	ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr	9 records

✅ Authoritative Response

Server: 1.226.85.4

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 101prep.com (unsigned zone)

⏱️ Timing

Total: 1779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`175.126.77.38`
NS	4	`ns2.cafe24.co.kr, ns2.cafe24.com...`
MX	1	`mw-002.cafe24.com (pri: 10)`
TXT	1	`v=spf1 ip4:175.126.77.38 ~all`
SOA	1	`101prep.com postmaster.101prep.com`

📌 Glue Records Collected

Total: 9

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

Analysis

Name Server Role

101prep.com serves as the name server for 101prep.com.

Common name servers include ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr, used together with 101prep.com.

IP Addresses

101prep.com resolves to a single IP: 175.126.77.38.

Name Servers

101prep.com is delegated to five name servers: 101prep.com, ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

101prep.com shares some name servers with other domains, for example zuho.co.kr, h-ad.co.kr, sajuplus.com, partnertops.com and dhenb.com.

these name servers are commonly used with ns.cafe24.com, ns0.cafe24.com, dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr, ns1.cafe24dns.co.kr and ns3.cafe24dns.co.kr.

Host names with five IP numbers:

ns1.cafe24.com points to: 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Host names with four IP numbers:

ns2.cafe24.com points to: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

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

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

Host names with one IP number:

101prep.com points to: 175.126.77.38.

Mail Servers

101prep.com is handled by a single mail server, mw-002.cafe24.com.

101prep.com shares the mail server setup with other domains, for example ivoryly.com, searchnaverkr.com, yonghwasa.or.kr, juancon.co.kr and leaders-ent.com.

101prep.com shares mail servers with other domains at least partially, for example xn--bh3b03t.com, cetimil.com, sapi.co.kr and spfpig.com.

Host name mw-002.cafe24.com points to IP 211.34.104.38.

101prep.com - robtex.com

101prep.com

com

NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Server Role

IP Addresses

Name Servers

Mail Servers

`101prep.com`

`com`