`iedubest.com`

DNSSEC	⚠️ Not signed
A	43.200.247.171^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
		PTR	`ec2-43-200-247-171.ap-northeast-2.compute.amazonaws.com`
NS	`ns-1044.awsdns-02.org` ⭐
		A	2600:9000:5304:1400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1044.awsdns-02.org`
		A	205.251.196.20^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1044.awsdns-02.org`
NS	`ns-1749.awsdns-26.co.uk`
		A	2600:9000:5306:d500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1749.awsdns-26.co.uk`
		A	205.251.198.213^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1749.awsdns-26.co.uk`
NS	`ns-334.awsdns-41.com`
		A	2600:9000:5301:4e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-334.awsdns-41.com`
		A	205.251.193.78^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-334.awsdns-41.com`
NS	`ns-926.awsdns-51.net`
		A	2600:9000:5303:9e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-926.awsdns-51.net`
		A	205.251.195.158^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-926.awsdns-51.net`
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`⁽²⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
SOA	`ns-1044.awsdns-02.org`awsdns-hostmaster@amazon.com serial=1

`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

Same first word

iedubest.co.kr

iedubest.com

Similar names

DNS History

16 records (7 active, 9 former)

○NSbest-server2015-07-13 → 2017-06-21 · 4 obs

● 2015-07-13 07:58:20
● 2017-06-21 10:53:08
○ 2020-12-31 13:37:20
○ 2026-03-11 23:13:04

●NSns-1044.awsdns-02.org2026-03-11 → 2026-03-11 · 3 obs

○ 2020-12-31 13:37:20
● 2026-03-11 23:13:02
● 2026-03-11 23:13:04

●NSns-1749.awsdns-26.co.uk2026-03-11 → 2026-03-11 · 3 obs

○ 2020-12-31 13:37:20
● 2026-03-11 23:13:02
● 2026-03-11 23:13:04

●NSns-334.awsdns-41.com2026-03-11 → 2026-03-11 · 3 obs

○ 2020-12-31 13:37:20
● 2026-03-11 23:13:02
● 2026-03-11 23:13:04

●NSns-926.awsdns-51.net2026-03-11 → 2026-03-11 · 3 obs

○ 2020-12-31 13:37:20
● 2026-03-11 23:13:02
● 2026-03-11 23:13:04

○NSns1.iedubest.com2015-07-13 → 2017-06-21 · 4 obs

● 2015-07-13 07:58:20
● 2017-06-21 10:53:08
○ 2020-12-31 13:37:20
○ 2026-03-11 23:13:04

○NSns1.whoisdomain.kr2020-12-31 → 2020-12-31 · 4 obs

○ 2017-06-21 10:53:08
● 2020-12-31 13:37:20
○ 2026-03-11 23:13:02
○ 2026-03-11 23:13:04

○NSns2.iedubest.com2015-07-13 → 2017-06-21 · 4 obs

● 2015-07-13 07:58:20
● 2017-06-21 10:53:08
○ 2020-12-31 13:37:20
○ 2026-03-11 23:13:04

○NSns2.whoisdomain.kr2020-12-31 → 2020-12-31 · 4 obs

○ 2017-06-21 10:53:08
● 2020-12-31 13:37:20
○ 2026-03-11 23:13:02
○ 2026-03-11 23:13:04

○NSns3.whoisdomain.kr2020-12-31 → 2020-12-31 · 4 obs

○ 2017-06-21 10:53:08
● 2020-12-31 13:37:20
○ 2026-03-11 23:13:02
○ 2026-03-11 23:13:04

○NSns4.whoisdomain.kr2020-12-31 → 2020-12-31 · 4 obs

○ 2017-06-21 10:53:08
● 2020-12-31 13:37:20
○ 2026-03-11 23:13:02
○ 2026-03-11 23:13:04

○MXkr-aspmx2.worksmobile.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-10-03 16:07:56
● 2017-06-21 10:53:08
○ 2020-12-31 13:37:20
○ 2026-03-11 23:13:04

●MXkr1-aspmx1.worksmobile.com2017-06-21 → 2026-03-11 · 3 obs

○ 2016-10-03 16:07:56
● 2017-06-21 10:53:08
● 2026-03-11 23:13:04

●MXkr1-aspmx2.worksmobile.com2020-12-31 → 2026-03-11 · 3 obs

○ 2017-06-21 10:53:08
● 2020-12-31 13:37:20
● 2026-03-11 23:13:04

○MXmailapp.hiworks.co.kr2015-07-13 → 2016-10-03 · 4 obs

● 2015-07-13 07:58:20
● 2016-10-03 16:07:56
○ 2017-06-21 10:53:08
○ 2026-03-11 23:13:04

●A43.200.247.1712026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 23:13:02
● 2026-03-11 23:13:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
iedubest.com	ns-334.awsdns-41.com, ns-926.awsdns-51.net, ns-1044.awsdns-02.org, ns-1749.awsdns-26.co.uk	1 record

✅ Authoritative Response

Server: 205.251.193.78

NS records: ns-334.awsdns-41.com, ns-926.awsdns-51.net, ns-1044.awsdns-02.org, ns-1749.awsdns-26.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iedubest.com (unsigned zone)

⏱️ Timing

Total: 702ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.200.247.171`
NS	4	`ns-1044.awsdns-02.org, ns-1749.awsdns-26.co.uk...`
MX	2	`kr1-aspmx1.worksmobile.com (pri: 1), kr1-aspmx2.worksmobile.com (pri: 2)`
SOA	1	`ns-1044.awsdns-02.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-334.awsdns-41.com)

Analysis

IP Addresses

iedubest.com points to IP number: 43.200.247.171.

Other host names, for instance ec2-43-200-247-171.ap-northeast-2.compute.amazonaws.com share IP numbers with iedubest.com.

Name Servers

iedubest.com is delegated to four name servers: ns-334.awsdns-41.com, ns-926.awsdns-51.net, ns-1044.awsdns-02.org and ns-1749.awsdns-26.co.uk.

iedubest.com at least partially shares name servers with other domains, for instance accelebrate.net, thebmgproject.com, brake-thruschoolofmotoring.com, ferrerorocher.de and cmoads.com.

these name servers are often used with the name servers ns-479.awsdns-59.com, ns-943.awsdns-53.net, ns-1390.awsdns-45.org, ns-944.awsdns-54.net, ns-1230.awsdns-25.org, ns-1955.awsdns-52.co.uk, ns1.americaneagle.com and ns2.americaneagle.com.

Host names with two IP numbers: ns-334.awsdns-41.com points to 2600:9000:5301:4e00::1 and 205.251.193.78; ns-926.awsdns-51.net points to 2600:9000:5303:9e00::1 and 205.251.195.158; ns-1044.awsdns-02.org points to 2600:9000:5304:1400::1 and 205.251.196.20; ns-1749.awsdns-26.co.uk points to 2600:9000:5306:d500::1 and 205.251.198.213.

Mail Servers

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

The mail server setup for iedubest.com matches that of other domains, for instance blivu.com, sselec.net, cbedunet.or.kr, mottrol.com and musickorea.asia.

iedubest.com shares some mail servers with other domains, at least partially, for example proun.co.kr, sanhalaw.co.kr, kicon.co.kr and netis.co.kr.

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

iedubest.com - robtex.com

iedubest.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`iedubest.com`

`com`