smtk.co.kr - robtex.com

smtk.co.kr

DNSSEC⚠️ Not signed
A203.245.44.111πŸ‡°πŸ‡· 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
NSns-1641.awsdns-13.co.uk ⭐
A2600:9000:5306:6900::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5306::/48 - CloudFront
PTRns-1641.awsdns-13.co.uk
A205.251.198.105πŸ‡ΊπŸ‡Έ Amazon205.251.198.0/24 prefix
PTRns-1641.awsdns-13.co.uk
NSns-1028.awsdns-00.org
A2600:9000:5304:400::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5304::/48 - CloudFront
PTRns-1028.awsdns-00.org
A205.251.196.4πŸ‡ΊπŸ‡Έ Amazon205.251.196.0/24 prefix
PTRns-1028.awsdns-00.org
NSns-213.awsdns-26.com
A2600:9000:5300:d500::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5300::/48 - CloudFront
PTRns-213.awsdns-26.com
A205.251.192.213πŸ‡ΊπŸ‡Έ Amazon205.251.192.0/24 prefix
PTRns-213.awsdns-26.com
NSns-955.awsdns-55.net
A2600:9000:5303:bb00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5303::/48 - CloudFront
PTRns-955.awsdns-55.net
A205.251.195.187πŸ‡ΊπŸ‡Έ Amazon205.251.195.0/24 prefix
PTRns-955.awsdns-55.net
MXsecuremx01.mailplug.com ⭐
A121.156.118.230πŸ‡°πŸ‡· KT-NET121.152.0.0/13
PTRsecuremx01.mailplug.com
A121.156.118.237πŸ‡°πŸ‡· KT-NET121.152.0.0/13
PTRsecuremx01.mailplug.com
A121.156.118.242πŸ‡°πŸ‡· KT-NET121.152.0.0/13
PTRsecuremx01.mailplug.com
MXsecuremx02.mailplug.com(20)
A223.26.214.11πŸ‡°πŸ‡· HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
PTRsecuremx02.mailplug.com
A223.26.214.12πŸ‡°πŸ‡· HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
PTRsecuremx02.mailplug.com
TXTv=spf1 mx include:mailplug.com ~all
SOAns-1641.awsdns-13.co.ukawsdns-hostmaster@amazon.com serial=1

co.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2606081015
WOT: UNKNOWN (62/100)

Subdomains

Same first word

Similar names

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns-1028.awsdns-00.orgns-1641.awsdns-13.co.ukns-213.awsdns-26.comns-955.awsdns-55.netccyukyzuqud87acns.skybz.netns2.skybz.netrent-1862rf0p2ixyudpo2dhMXsecuremx01.mailplug.comsecuremx02.mailplug.commail.smtk.co.krA203.245.44.111211.239.161.15
β—‹NSccyukyzuqud87ac2015-08-06 β†’ 2015-08-06 Β· 3 obs
● 2015-08-06 04:49:40
β—‹ 2015-09-15 23:24:24
β—‹ 2026-06-08 14:31:32
●NSns-1028.awsdns-00.org2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
●NSns-1641.awsdns-13.co.uk2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
●NSns-213.awsdns-26.com2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
●NSns-955.awsdns-55.net2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
β—‹NSns.skybz.net2015-08-06 β†’ 2016-11-19 Β· 4 obs
● 2015-08-06 04:49:40
● 2016-11-19 02:43:10
β—‹ 2026-02-15 20:58:42
β—‹ 2026-06-08 14:31:32
β—‹NSns2.skybz.net2015-08-06 β†’ 2016-11-19 Β· 4 obs
● 2015-08-06 04:49:40
● 2016-11-19 02:43:10
β—‹ 2026-02-15 20:58:42
β—‹ 2026-06-08 14:31:32
β—‹NSrent-18622015-09-15 β†’ 2016-11-19 Β· 5 obs
β—‹ 2015-08-06 04:49:40
● 2015-09-15 23:24:24
● 2016-11-19 02:43:10
β—‹ 2026-02-15 20:58:42
β—‹ 2026-06-08 14:31:32
β—‹NSrf0p2ixyudpo2dh2015-08-06 β†’ 2015-08-06 Β· 3 obs
● 2015-08-06 04:49:40
β—‹ 2015-09-15 23:24:24
β—‹ 2026-06-08 14:31:32
β—‹MXmail.smtk.co.kr2015-08-06 β†’ 2016-11-19 Β· 4 obs
● 2015-08-06 04:49:40
● 2016-11-19 02:43:10
β—‹ 2026-02-15 20:58:42
β—‹ 2026-06-08 14:31:32
●MXsecuremx01.mailplug.com2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
●MXsecuremx02.mailplug.com2026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
●A203.245.44.1112026-02-15 β†’ 2026-06-08 Β· 3 obs
β—‹ 2016-11-19 02:43:10
● 2026-02-15 20:58:42
● 2026-06-08 14:31:32
β—‹A211.239.161.152015-08-06 β†’ 2016-11-19 Β· 4 obs
● 2015-08-06 04:49:40
● 2016-11-19 02:43:10
β—‹ 2026-02-15 20:58:42
β—‹ 2026-06-08 14:31:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
smtk.co.krns-1641.awsdns-13.co.uk, ns-1028.awsdns-00.org, ns-213.awsdns-26.com, ns-955.awsdns-55.net-

βœ… Authoritative Response

Server:205.251.195.187

NS records: ns-1641.awsdns-13.co.uk, ns-1028.awsdns-00.org, ns-213.awsdns-26.com, ns-955.awsdns-55.net

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 925ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1203.245.44.111
NS4ns-1028.awsdns-00.org, ns-1641.awsdns-13.co.uk...
MX2securemx01.mailplug.com (pri: 10), securemx02.mailplug.com (pri: 20)
TXT1v=spf1 mx include:mailplug.com ~all
SOA1ns-1641.awsdns-13.co.uk awsdns-hostmaste

Analysis

Hierarchy

The domain smtk.co.kr is parent to server9.smtk.co.kr, mail.smtk.co.kr and direct.smtk.co.kr.

IP Addresses

smtk.co.kr resolves to one IP address: 203.245.44.111.

kimhua.co.kr, conf.kr, grandgls.com and two other host names share IP numbers with smtk.co.kr.

Name Servers

smtk.co.kr carries NS records pointing to 4 name servers: ns-213.awsdns-26.com, ns-955.awsdns-55.net, ns-1028.awsdns-00.org and ns-1641.awsdns-13.co.uk.

At least some of smtk.co.kr's name servers are shared with other domains, for example interactivevoices.com, d1kdnpd3zuqd7l.cloudfront.net, craneacupuncture.com and two more.

These name servers commonly appear together with ns-277.awsdns-34.com, ns-673.awsdns-20.net, ns-1246.awsdns-27.org and five other name servers.

Four hostnames, each resolving to a pair of IP addresses: ns-213.awsdns-26.com directs to 205.251.192.213 and 2600:9000:5300:d500::1; ns-955.awsdns-55.net directs to 205.251.195.187 and 2600:9000:5303:bb00::1; ns-1028.awsdns-00.org directs to 205.251.196.4 and 2600:9000:5304:400::1; ns-1641.awsdns-13.co.uk directs to 205.251.198.105 and 2600:9000:5306:6900::1.

Mail Servers

Mail for smtk.co.kr is handled by two mail servers β€” securemx01.mailplug.com and securemx02.mailplug.com.

smtk.co.kr uses an identical mail server configuration to several other domains β€” among them paru.co.kr, nowonsc.kr, greenbell.co.kr and two more.

smtk.co.kr has at least partial mail server overlap with other domains such as smart-ev.co.kr, im-ara.com, himec.co.kr and two more.

Hostnames that resolve to three IP addresses:

securemx01.mailplug.com resolves to three addresses: 121.156.118.230, 121.156.118.237 and 121.156.118.242.

Hostnames that resolve to two IP addresses:

securemx02.mailplug.com maps to two IP addresses β€” 223.26.214.11 and 223.26.214.12.