smttool.com - dns.ninja

`smttool.com`

DNSSEC	⚠️ Not signed
A	183.111.138.164^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`smttool.com` ⭐
		A	183.111.138.164^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`ns1.cafe24.co.kr`
		A	112.175.246.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.136^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.137^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns1.cafe24.com`
		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.co.kr`
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com`
		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	`mx01.mailplug.com` ⭐
		A	121.156.118.202^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.204^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.213^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.220^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.223^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.248^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
MX	`mx02.mailplug.com`⁽²⁰⁾
		A	223.26.214.9^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
		A	223.26.214.10^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
TXT	`v=spf1 mx include:mailplug.com ~all`
SOA	`smttool.com`postmaster@smttool.com serial=20240524

`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=1785543127

NS for

smttool.com

Subdomains

www.smttool.com

Same first word

smttool.com

Similar names

DNS History

13 records (8 active, 5 former)

○NSns.mailplug.com2015-06-23 → 2018-03-21 · 5 obs

○ 2008-03-20 12:08:14
● 2015-06-23 08:58:36
● 2018-03-21 21:25:02
○ 2026-04-07 23:44:28
○ 2026-08-01 00:26:24

●NSns1.cafe24.co.kr2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

●NSns1.cafe24.com2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

●NSns2.cafe24.co.kr2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

●NSns2.cafe24.com2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

○NSns2.mailplug.com2015-06-23 → 2018-03-21 · 5 obs

○ 2008-03-20 12:08:14
● 2015-06-23 08:58:36
● 2018-03-21 21:25:02
○ 2026-04-07 23:44:28
○ 2026-08-01 00:26:24

●NSsmttool.com2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

○MXm188.mailplug.co.kr2015-06-23 → 2018-03-21 · 5 obs

○ 2008-03-20 12:08:14
● 2015-06-23 08:58:36
● 2018-03-21 21:25:02
○ 2026-04-07 23:44:28
○ 2026-08-01 00:26:24

○MXm188.mailplug.com2015-06-23 → 2018-03-21 · 5 obs

○ 2008-03-20 12:08:14
● 2015-06-23 08:58:36
● 2018-03-21 21:25:02
○ 2026-04-07 23:44:28
○ 2026-08-01 00:26:24

●MXmx01.mailplug.com2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

●MXmx02.mailplug.com2026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

○A112.175.184.1502015-06-23 → 2018-03-21 · 5 obs

○ 2008-03-20 12:08:14
● 2015-06-23 08:58:36
● 2018-03-21 21:25:02
○ 2026-04-07 23:44:28
○ 2026-08-01 00:26:24

●A183.111.138.1642026-04-07 → 2026-08-01 · 3 obs

○ 2018-03-21 21:25:02
● 2026-04-07 23:44:28
● 2026-08-01 00:26:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
smttool.com	ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr	9 records

✅ Authoritative Response

Server:175.125.93.146

NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smttool.com (unsigned zone)

⏱️ Timing

Total: 1175ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.138.164`
NS	4	`ns2.cafe24.com, ns2.cafe24.co.kr...`
MX	2	`mx01.mailplug.com (pri: 10), mx02.mailplug.com (pri: 20)`
TXT	1	`v=spf1 mx include:mailplug.com ~all`
SOA	1	`smttool.com postmaster.smttool.com`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)

Analysis

Hierarchy

smttool.com is the parent zone for www.smttool.com.

Name Server Role

smttool.com acts as a name server for smttool.com, meaning it is self-referentially delegated.

smttool.com is commonly paired with ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr to act as name servers.

IP Addresses

smttool.com resolves to one IP address: 183.111.138.164.

yedamdental.co.kr, multihi.com, ovctech.com and two other host names share IP numbers with smttool.com.

Name Servers

Five name servers are authoritative for smttool.com, which are smttool.com, ns1.cafe24.com, ns2.cafe24.com and two others.

smttool.com partially shares its NS delegation with several other domains, including seoullog.com, bipf.kr, kofwst.org and two others.

In DNS configurations, these name servers often share authority with ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 6 other name servers.

Hostnames pointing to five IP numbers:

ns1.cafe24.com resolves to four IP addresses: 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.

Hosts that point to four IP numbers:

ns2.cafe24.com maps to the following IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr maps to the following IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr maps to the following IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Hosts with just one IP address:

smttool.com points to 183.111.138.164.

Mail Servers

Mail for smttool.com is handled by two mail servers — mx01.mailplug.com and mx02.mailplug.com.

smttool.com uses an identical mail server configuration to several other domains — among them margarinfingers.com, daigyeo.com, dhutr.com and two more.

The MX records for smttool.com are at least partially shared with other domains, such as dobs.co.kr, superawesome.co.kr, dcarrick.co.kr and sodalive.net.

Hostnames that resolve to 6 IP addresses:

mx01.mailplug.com resolves to 121.156.118.202, 121.156.118.204, 121.156.118.213 and 3 other IP addresses.

Hostnames that resolve to two IP addresses:

mx02.mailplug.com points to 223.26.214.9 and 223.26.214.10.