expsem.com - dns.ninja

`expsem.com`

DNSSEC	⚠️ Not signed
A	183.111.100.228^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		PTR	`mail.mgensolutions.kr`
NS	`expsem.com` ⭐
		A	183.111.100.228^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
			PTR	`mail.mgensolutions.kr`
NS	`ns.expsem.com` ⚠️ Not in parent delegation
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.gethompy.com` ⚠️ Not in zone NS records
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.expsem.com` ⚠️ Not in parent delegation
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.gethompy.com` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.expsem.com` ⚠️ Not in parent delegation
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns2.gethompy.com` ⚠️ Not in zone NS records
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns3.expsem.com` ⚠️ Not in parent delegation
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns3.gethompy.com` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`sniper.gobizmail.com` ⭐
		A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
		A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-223-25-84.compute-1.amazonaws.com`
		A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-243-117-197.compute-1.amazonaws.com`
MX	211.119.134.204⁽²⁰⁾
TXT	`v=spf1 ip4:211.34.104.37 ~all`
SOA	`expsem.com`postmaster@expsem.com serial=20171106

`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=1786231194

NS for

expsem.com

Subdomains

ns.expsem.com

ns2.expsem.com

ns1.expsem.com

ns3.expsem.com

Same first word

expsem.com

Similar names

espmex.net

sempex.com.br

pesmex.com

sempex.ch

sempex.de

semexp.com

spexme.com

spemex.com

DNS History

22 records (12 active, 10 former)

●NSexpsem.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

●NSns.expsem.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○NSns.gabia.co.kr2015-11-17 → 2017-05-18 · 5 obs

○ 2015-07-17 23:46:04
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

○NSns.gabia.co.kr.expsem.com2015-11-17 → 2017-05-18 · 5 obs

○ 2015-07-17 23:46:04
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

○NSns.gabia.net2015-11-17 → 2017-05-18 · 5 obs

○ 2015-07-17 23:46:04
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

●NSns.gethompy.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○NSns.sme.or.kr2008-03-14 → 2015-07-17 · 4 obs

● 2008-03-14 22:51:32
● 2015-07-17 23:46:04
○ 2015-11-17 07:04:54
○ 2026-08-08 23:50:26

●NSns1.expsem.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○NSns1.gabia.co.kr2015-11-17 → 2017-05-18 · 5 obs

○ 2015-07-17 23:46:04
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

●NSns1.gethompy.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

●NSns2.expsem.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

●NSns2.gethompy.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

●NSns3.expsem.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

●NSns3.gethompy.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○NSsns.sme.or.kr2008-03-14 → 2015-07-17 · 4 obs

● 2008-03-14 22:51:32
● 2015-07-17 23:46:04
○ 2015-11-17 07:04:54
○ 2026-08-08 23:50:26

●MX211.119.134.2042026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○MX211.119.134.204.expsem.com2015-11-17 → 2017-05-18 · 5 obs

○ 2008-03-14 22:51:32
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

○MXmail.gobizmail.com2008-03-14 → 2017-05-18 · 4 obs

● 2008-03-14 22:51:32
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

●MXsniper.gobizmail.com2026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○A1.234.70.262015-11-17 → 2017-05-18 · 5 obs

○ 2015-07-17 23:46:04
● 2015-11-17 07:04:54
● 2017-05-18 20:36:42
○ 2026-03-13 03:51:30
○ 2026-08-08 23:50:26

●A183.111.100.2282026-03-13 → 2026-08-08 · 3 obs

○ 2017-05-18 20:36:42
● 2026-03-13 03:51:30
● 2026-08-08 23:50:26

○A211.119.134.1972008-03-14 → 2015-07-17 · 4 obs

● 2008-03-14 22:51:32
● 2015-07-17 23:46:04
○ 2015-11-17 07:04:54
○ 2026-08-08 23:50:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
expsem.com	ns.gethompy.com, ns2.gethompy.com, ns1.gethompy.com, ns3.gethompy.com	4 records

✅ Authoritative Response

Server:116.126.143.226

NS records: ns.gethompy.com, ns2.gethompy.com, ns1.gethompy.com, ns3.gethompy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expsem.com (unsigned zone)

⏱️ Timing

Total: 3790ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.100.228`
NS	4	`ns.expsem.com, ns3.expsem.com...`
MX	2	`211.119.134.204 (pri: 20), sniper.gobizmail.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.34.104.37 ~all`
SOA	1	`expsem.com postmaster.expsem.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.gethompy.com, ns2.gethompy.com, ns1.gethompy.com...)

Analysis

Hierarchy

ns.expsem.com, ns2.expsem.com, ns1.expsem.com and ns3.expsem.com are all subdomains of expsem.com.

Name Server Role

The NS records for expsem.com point back to expsem.com itself.

ns1.expsem.com, ns2.expsem.com and ns3.expsem.com are often grouped with expsem.com to function as name servers.

IP Addresses

expsem.com resolves to just one IP address, 183.111.100.228.

Two other host names, along with youjung.net, sisl.co.kr and hyunjinsa.co.kr, also share IP numbers with expsem.com.

Name Servers

expsem.com has 9 name servers — expsem.com, ns1.expsem.com, ns2.expsem.com and 6 other.

The name servers of expsem.com overlap at least partially with those of other domains — among them wy21.co.kr, elec.kr, lawdasan.co.kr and two more.

These name servers commonly co-occur with the name servers ns1.gethompy.com, ns.gethompy.com, ns2.gethompy.com and ns3.gethompy.com.

Host names that point to one IP address:

expsem.com directs to 183.111.100.228.

ns1.expsem.com directs to 116.126.143.226.

ns2.expsem.com directs to 218.145.65.144.

ns3.expsem.com directs to 116.126.143.225.

ns.expsem.com directs to 218.145.65.143.

ns1.gethompy.com directs to 116.126.143.226.

ns2.gethompy.com directs to 218.145.65.144.

ns3.gethompy.com directs to 116.126.143.225.

ns.gethompy.com directs to 218.145.65.143.

Host names pointing to 116.126.143.226 IP addresses: ns1.expsem.com and ns1.gethompy.com.

Host names pointing to 218.145.65.144 IP addresses: ns2.expsem.com and ns2.gethompy.com.

Host names pointing to 116.126.143.225 IP addresses: ns3.expsem.com and ns3.gethompy.com.

Host names pointing to 218.145.65.143 IP addresses: ns.expsem.com and ns.gethompy.com.

Mail Servers

expsem.com is served by two mail servers, sniper.gobizmail.com and 211.119.134.204.

There is at least a partial MX overlap between expsem.com and other domains, including aluforms.net, smartcomi.com, idmkorea.net and two others.

The mail servers aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com are commonly used alongside these mail servers.

Host names that resolve to four IP numbers:

sniper.gobizmail.com resolves to 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.