`parallaxedu.com`

DNSSEC	⚠️ Not signed
A	218.50.0.17^{🇰🇷 SKB-NET218.50.0.0/23 SKBroadband-AS-KR}
NS	`ns1.gnbenglish.com` ⭐
		A	218.50.0.8^{🇰🇷 SKB-NET218.50.0.0/23 SKBroadband-AS-KR}
NS	`ns2.gnbenglish.com`
		A	218.50.0.47^{🇰🇷 SKB-NET218.50.0.0/23 SKBroadband-AS-KR}
MX	`gwmail.ktbizoffice.com` ⭐
		A	211.62.105.162^{🇰🇷 KT-NET211.62.64.0/18 Transfer to KT}
			PTR	`gwsmtp2.ktbizoffice.com`
			PTR	`gwspam2.ktbizoffice.com`
		A	211.62.105.163^{🇰🇷 KT-NET211.62.64.0/18 Transfer to KT}
			PTR	`gwspam3.ktbizoffice.com`
		A	211.62.105.164^{🇰🇷 KT-NET211.62.64.0/18 Transfer to KT}
			PTR	`gwspam4.ktbizoffice.com`
TXT	`v=spf1 ip4:211.234.106.52 ip4:218.50.0.14 ip4:218.50.0.15 ip4:218.50.0.16 ip4...`
SOA	`ns1.gnbenglish.com`root@gnbenglish.com 2025-12-03 #0

`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=1777246701

Same first word

parallaxedu.com

DNS History

4 records (4 active, 0 former)

●NSns1.gnbenglish.com2019-01-11 → 2026-04-27 · 2 obs

● 2019-01-11 16:54:30
● 2026-04-27 00:00:08

●NSns2.gnbenglish.com2019-01-11 → 2026-04-27 · 2 obs

● 2019-01-11 16:54:30
● 2026-04-27 00:00:08

●MXgwmail.ktbizoffice.com2026-03-11 → 2026-04-27 · 2 obs

● 2026-03-11 14:08:08
● 2026-04-27 00:00:08

●A218.50.0.172026-03-11 → 2026-04-27 · 2 obs

● 2026-03-11 14:08:08
● 2026-04-27 00:00:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
parallaxedu.com	ns1.gnbenglish.com, ns2.gnbenglish.com	2 records

✅ Authoritative Response

Server:218.50.0.8

NS records: ns1.gnbenglish.com, ns2.gnbenglish.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for parallaxedu.com (unsigned zone)

⏱️ Timing

Total: 3811ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.50.0.17`
NS	2	`ns1.gnbenglish.com, ns2.gnbenglish.com`
MX	1	`gwmail.ktbizoffice.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.234.106.52 ip4:218.50.0.1`
SOA	1	`ns1.gnbenglish.com root.gnbenglish.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.gnbenglish.com, ns2.gnbenglish.com)

Analysis

IP Addresses

parallaxedu.com maps to IP address 218.50.0.17.

Other host names, for example gnbedu.com, www.gnbedu.com and gnbenglish.com share the same IP as parallaxedu.com.

Name Servers

Two name servers ns1.gnbenglish.com and ns2.gnbenglish.com are delegated to parallaxedu.com.

parallaxedu.com uses the same name server configuration as other domains, such as gnbedu.com, gnbplay.com, gnbenglish.com, gplum.co.kr and gnbsmartenglish.com.

Host names with a single IP address:

ns1.gnbenglish.com points to 218.50.0.8

ns2.gnbenglish.com points to 218.50.0.47

Mail Servers

parallaxedu.com is handled by a single mail server, gwmail.ktbizoffice.com.

parallaxedu.com shares the same mail server setup as other domains, including tascom.org, sealink.co.kr, kaari.or.kr, iism.co.kr and toever.co.kr.

parallaxedu.com shares mail servers with other domains at least in part, for instance cubeone.net, geolim.co.kr, tsgcoltd.com, sellway.co.kr and kasi.or.kr.

gwmail.ktbizoffice.com points to three IP numbers: 211.62.105.162, 211.62.105.163 and 211.62.105.164.

parallaxedu.com - robtex.com

parallaxedu.com

com