`postmaster.viewcrystal.com`

CNAME	`viewcrystal.com`
DNSSEC	⚠️ Not signed
A	183.111.139.233^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
A	203.245.12.113^{🇰🇷 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}
A	203.245.12.119^{🇰🇷 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}
A	203.245.12.121^{🇰🇷 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	`viewcrystal.com` ⭐
		A	183.111.139.233^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		A	203.245.12.113^{🇰🇷 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}
		A	203.245.12.119^{🇰🇷 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}
		A	203.245.12.121^{🇰🇷 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	`dns1.cafe24.co.kr` ⚠️ Not in zone NS records
		A	112.175.246.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.132^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.133^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns1.cafe24.com` ⚠️ Not in zone NS records
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.130^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.131^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.co.kr` ⚠️ Not in zone NS records
		A	112.175.247.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.142^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.143^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.com` ⚠️ Not in zone NS records
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.140^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.141^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns.cafe24.com` ⚠️ Not in parent delegation
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.145^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns0.cafe24.com` ⚠️ Not in parent delegation
		A	116.126.143.241^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.cafe24.com` ⚠️ Not in parent delegation
		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.com` ⚠️ Not in parent delegation
		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	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`google-site-verification=bW8Ic56P68XQMr61utLEQ2BztOKcYFN00NSkiuzser8`
TXT	`v=spf1 include:_spf.naver.com ~all`
SOA	`viewcrystal.com`postmaster@viewcrystal.com serial=20120106

`viewcrystal.com`

	DNSSEC	⚠️ Not signed
	A	183.111.139.233^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
	A	203.245.12.113^{🇰🇷 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}
	A	203.245.12.119^{🇰🇷 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}
	A	203.245.12.121^{🇰🇷 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	`viewcrystal.com` ⭐
	NS	`dns1.cafe24.co.kr` ⚠️ Not in zone NS records
	NS	`dns1.cafe24.com` ⚠️ Not in zone NS records
	NS	`dns2.cafe24.co.kr` ⚠️ Not in zone NS records
	NS	`dns2.cafe24.com` ⚠️ Not in zone NS records
	NS	`ns.cafe24.com` ⚠️ Not in parent delegation
	NS	`ns0.cafe24.com` ⚠️ Not in parent delegation
	NS	`ns1.cafe24.com` ⚠️ Not in parent delegation
	NS	`ns2.cafe24.com` ⚠️ Not in parent delegation
	MX	`kr1-aspmx1.worksmobile.com` ⭐
	MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
	TXT	`google-site-verification=bW8Ic56P68XQMr61utLEQ2BztOKcYFN00NSkiuzser8`
	TXT	`v=spf1 include:_spf.naver.com ~all`
	SOA	`viewcrystal.com`postmaster@viewcrystal.com serial=20120106

Same first word

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DNS History

9 records (1 active, 8 former)

○NSns.cafe24.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○NSns0.cafe24.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○NSns1.cafe24.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○NSns2.cafe24.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○NSviewcrystal.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○MXdmx-1.naver.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○MXdmx-2.naver.com2015-10-27 → 2016-06-19 · 4 obs

● 2015-10-27 09:39:04
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

○A112.175.45.482015-06-08 → 2016-06-19 · 4 obs

● 2015-06-08 16:46:02
● 2016-06-19 02:11:54
○ 2026-03-26 02:51:52
○ 2026-03-28 08:43:58

●CNAMEviewcrystal.com2015-06-08 → 2026-03-28 · 2 obs

● 2015-06-08 16:46:02
● 2026-03-28 08:43:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...	-
viewcrystal.com	dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr	8 records

✅ Authoritative Response

Server:112.175.246.226

NS records: dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for viewcrystal.com (unsigned zone)

⏱️ Timing

Total: 4506ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`viewcrystal.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (dns1.cafe24.com, dns1.cafe24.com, dns1.cafe24.com...)

Analysis

IP Addresses

postmaster.viewcrystal.com resolves to four IPs: 183.111.139.233, 203.245.12.113, 203.245.12.119 and 203.245.12.121.

Other host names such as labeldesign.co.kr, renoffice1.shop, dabitsungmul.co.kr, maybena.com and manualstore.co.kr share IP numbers with postmaster.viewcrystal.com.

Name Servers

postmaster.viewcrystal.com is delegated to nine name servers: viewcrystal.com, dns1.cafe24.com, dns2.cafe24.com, ns0.cafe24.com, ns1.cafe24.com, ns2.cafe24.com, ns.cafe24.com, dns1.cafe24.co.kr and dns2.cafe24.co.kr.

At least part of the name servers for postmaster.viewcrystal.com are shared with other domains, for instance theorchidskin.com, trendseoul.com, helenkaminski.co.kr, 1987d.com and ytps.co.kr.

These name servers are commonly used alongside ns1.cafe24.co.kr and ns2.cafe24.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:

viewcrystal.com points to: 183.111.139.233, 203.245.12.113, 203.245.12.119 and 203.245.12.121.

dns1.cafe24.com points to: 112.175.246.226, 112.175.246.227, 175.125.93.130 and 175.125.93.131.

dns2.cafe24.com points to: 112.175.247.226, 112.175.247.227, 175.125.93.140 and 175.125.93.141.

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

ns.cafe24.com points to: 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.

dns1.cafe24.co.kr points to: 112.175.246.228, 112.175.246.229, 175.125.93.132 and 175.125.93.133.

dns2.cafe24.co.kr points to: 112.175.247.228, 112.175.247.229, 175.125.93.142 and 175.125.93.143.

Host names with one IP number:

ns0.cafe24.com points to: 116.126.143.241.

Host names that point to 175.125.93.135: ns1.cafe24.com and ns.cafe24.com.

Host names that point to 112.175.246.226: dns1.cafe24.com and ns.cafe24.com.

Host names that point to 112.175.247.226: dns2.cafe24.com and ns.cafe24.com.

Mail Servers

postmaster.viewcrystal.com is handled by two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

postmaster.viewcrystal.com uses the same mail server setup as other domains, for instance beaudiani.com, everbikini.com, brik.co.kr, ss21.kr and koitec.com.

postmaster.viewcrystal.com shares at least some mail servers with other domains, for example gsneotek.co.kr, soongmoon.or.kr, asungerp.com, insilence.co.kr and gcad.co.kr.

these mail servers are often used together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names sharing a single IP: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com point to 125.209.209.251.

postmaster.viewcrystal.com - robtex.com