`extrus.co.kr`

DNSSEC	⚠️ Not signed
A	210.126.8.243^{🇰🇷 KT-NET210.126.0.0/17 KORnet operation Center(Korea Telecom)}
NS	`ns-558.awsdns-05.net` ⭐
		A	2600:9000:5302:2e00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-558.awsdns-05.net`
		A	205.251.194.46^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-558.awsdns-05.net`
NS	`ns-1209.awsdns-23.org`
		A	2600:9000:5304:b900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1209.awsdns-23.org`
		A	205.251.196.185^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1209.awsdns-23.org`
NS	`ns-1998.awsdns-57.co.uk`
		A	2600:9000:5307:ce00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1998.awsdns-57.co.uk`
		A	205.251.199.206^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1998.awsdns-57.co.uk`
NS	`ns-276.awsdns-34.com`
		A	2600:9000:5301:1400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-276.awsdns-34.com`
		A	205.251.193.20^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-276.awsdns-34.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`MS=3946CBA0CC3389162A8889713B355D01052DF890`
TXT	`apple-domain-verification=U2FtORi8wPYHofTG`
TXT	`google-site-verification=VbAt1Ctrw8zWS3KosMzleInhe6eRGIi6hAwDUGj6A-Y`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-558.awsdns-05.net`awsdns-hostmaster@amazon.com serial=1

`co.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2608041090

WOT: UNKNOWN (62/100)

Subdomains

www.extrus.co.kr

Same first word

extrus.co.kr

extrus.com

extrus.net

Similar names

trexus.co.uk

xstrue.com

surtex.com

ustrex.com

truexs.com

surtex.com.ar

tru(0x736578).com

truxes.com

surtex.com.uy

struxe.com

xertus.biz

xertus.eu

sturex.com

surtex.pl

rustex.ru

trexus.com

(0x736578)tru.com

xuster.com

(0x736578)tur.ru

sertux.blogspot.com

xestur.com

texrus.com

surtex.net

tur(0x736578).com

surtex.cl

estrux.com

surtex.gdynia.pl

sertux.es

texsur.net

surtex.de

suretx.com

trexus.de

xertus.be

sertux.com

xtures.com

truxes.co

rutexs.com

xertus.com

tuxers.com

texsur.cl

tuxers.net

texrus.ru

surtex.ru

(0x736578)tur.com

surtex.com.pl

texsur.com

sutrex.com

sertxu.com

uxster.com

rustex.com

rustex.org

surtex.cz

surtex.com.cn

DNS History

16 records (10 active, 6 former)

●NSns-1209.awsdns-23.org2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

●NSns-1998.awsdns-57.co.uk2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

●NSns-276.awsdns-34.com2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

●NSns-558.awsdns-05.net2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

○NSns1.hosting.co.kr2017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

○NSns2.hosting.co.kr2017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

●MXalt1.aspmx.l.google.com2017-01-11 → 2026-08-04 · 2 obs

● 2017-01-11 22:48:10
● 2026-08-04 19:14:50

●MXalt2.aspmx.l.google.com2017-01-11 → 2026-08-04 · 2 obs

● 2017-01-11 22:48:10
● 2026-08-04 19:14:50

●MXalt3.aspmx.l.google.com2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

●MXalt4.aspmx.l.google.com2026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

●MXaspmx.l.google.com2017-01-11 → 2026-08-04 · 2 obs

● 2017-01-11 22:48:10
● 2026-08-04 19:14:50

○MXaspmx2.googlemail.com2017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

○MXaspmx3.googlemail.com2017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

○MXmail.extrus.co.kr2017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

○A114.108.175.1792017-01-11 → 2017-07-28 · 4 obs

● 2017-01-11 22:48:10
● 2017-07-28 17:13:14
○ 2026-08-02 22:18:26
○ 2026-08-04 19:14:50

●A210.126.8.2432026-08-02 → 2026-08-04 · 3 obs

○ 2017-07-28 17:13:14
● 2026-08-02 22:18:26
● 2026-08-04 19:14:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
extrus.co.kr	ns-1998.awsdns-57.co.uk, ns-1209.awsdns-23.org, ns-276.awsdns-34.com, ns-558.awsdns-05.net	-

✅ Authoritative Response

Server:205.251.196.185

NS records: ns-1998.awsdns-57.co.uk, ns-1209.awsdns-23.org, ns-276.awsdns-34.com, ns-558.awsdns-05.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extrus.co.kr (unsigned zone)

⏱️ Timing

Total: 1147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.126.8.243`
NS	4	`ns-1209.awsdns-23.org, ns-1998.awsdns-57.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`MS=3946CBA0CC3389162A8889713B355D01052DF, apple-domain-verification=U2FtORi8wPYHof...`
SOA	1	`ns-558.awsdns-05.net awsdns-hostmaster.a`

Analysis

Hierarchy

The domain www.extrus.co.kr falls under the parent extrus.co.kr.

IP Addresses

extrus.co.kr resolves to just one IP address, 210.126.8.243.

Other host names, among them extrus.net and www.extrus.co.kr, have IP numbers in common with extrus.co.kr.

Name Servers

The NS records for extrus.co.kr point to four name servers: ns-276.awsdns-34.com, ns-558.awsdns-05.net, ns-1209.awsdns-23.org and ns-1998.awsdns-57.co.uk.

At least some of extrus.co.kr's name servers are shared with other domains, for example pincelpg.bet, d1wr9p03lsyrd7.cloudfront.net, tracktalent.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-276.awsdns-34.com directs to 205.251.193.20 and 2600:9000:5301:1400::1; ns-558.awsdns-05.net directs to 205.251.194.46 and 2600:9000:5302:2e00::1; ns-1209.awsdns-23.org directs to 205.251.196.185 and 2600:9000:5304:b900::1; ns-1998.awsdns-57.co.uk directs to 205.251.199.206 and 2600:9000:5307:ce00::1.