aptsci.com - dns.ninja

`aptsci.com`

DNSSEC	⚠️ Not signed
A	203.245.24.54^{🇰🇷 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}
NS	`aptsci.com` ⭐
		A	203.245.24.54^{🇰🇷 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}
NS	`ns.aptsci.com` ⚠️ Not in parent delegation
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.aptsci.com` ⚠️ Not in parent delegation
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.aptsci.com` ⚠️ Not in parent delegation
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns2.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns3.aptsci.com` ⚠️ Not in parent delegation
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns3.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`gw.aptsci.com` ⭐
		A	35.216.1.254^{🇰🇷 Google35.216.0.0/17}
MX	`ms37898306.msv1.invalid`^(32767)
TXT	`v=spf1 ip4:203.217.217.110 include:_vpc.daouoffice.com ip4:35.216.1.254 ~all`
TXT	`google-site-verification=poj60OotlF-9IQ4rA94QBUjmFtEK_zFo22FbJexF9gM`
TXT	`google-site-verification=F1g6vCvFDX40D79_xV2UXwoCOAOQ141FEnLC7wM3b2E`
TXT	`google-site-verification=vyz6Ebi7YIXC22KAXxrrw-VE2709HzDl2y4tvAcAeS8`
SOA	`aptsci.com`postmaster@aptsci.com serial=20220110

`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=1782583755

NS for

aptsci.com

Subdomains

gw.aptsci.com

ns2.aptsci.com

ns.aptsci.com

mail.aptsci.com

ns3.aptsci.com

ns1.aptsci.com

Same first word

aptsci.com

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DNS History

18 records (12 active, 6 former)

●NSaptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns.aptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns.giantsoft.co.kr2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns1.aptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns1.giantsoft.co.kr2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

○NSns1.whoisdomain.kr2015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

●NSns2.aptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns2.giantsoft.co.kr2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

○NSns2.whoisdomain.kr2015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

●NSns3.aptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

●NSns3.giantsoft.co.kr2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

○NSns3.whoisdomain.kr2015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

○NSns4.whoisdomain.kr2015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

●MXgw.aptsci.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

○MXmail.aptsci.com2015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

●MXms37898306.msv1.invalid2026-03-20 → 2026-06-27 · 3 obs

○ 2026-02-15 07:38:48
● 2026-03-20 01:39:54
● 2026-06-27 18:27:04

○A183.110.224.2062015-06-16 → 2017-04-24 · 4 obs

● 2015-06-16 06:41:26
● 2017-04-24 03:03:42
○ 2026-02-15 07:38:48
○ 2026-06-27 18:27:04

●A203.245.24.542026-02-15 → 2026-06-27 · 3 obs

○ 2017-04-24 03:03:42
● 2026-02-15 07:38:48
● 2026-06-27 18:27:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
aptsci.com	ns.giantsoft.co.kr, ns2.giantsoft.co.kr, ns1.giantsoft.co.kr, ns3.giantsoft.co.kr	-

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.giantsoft.co.kr, ns2.giantsoft.co.kr, ns1.giantsoft.co.kr, ns3.giantsoft.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aptsci.com (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.245.24.54`
NS	4	`ns2.aptsci.com, ns.aptsci.com...`
MX	2	`gw.aptsci.com (pri: 10), ms37898306.msv1.invalid (pri: 32767)`
TXT	4	`google-site-verification=F1g6vCvFDX40D79, v=spf1 ip4:203.217.217.110 include:_vpc....`
SOA	1	`aptsci.com postmaster.aptsci.com`

Analysis

Hierarchy

Among the subdomains of aptsci.com are gw.aptsci.com, ns2.aptsci.com, ns.aptsci.com, mail.aptsci.com, ns3.aptsci.com and a few other host names.

Name Server Role

aptsci.com is listed as a name server for aptsci.com — it is in-bailiwick, authoritative for its own domain.

It is common to see ns1.aptsci.com, ns2.aptsci.com and ns3.aptsci.com acting as name servers in combination with aptsci.com.

IP Addresses

aptsci.com has exactly one IP address — 203.245.24.54.

sdmssn.or.kr, ywon.net, y-child.com plus two other host names have IP numbers in common with aptsci.com.

Name Servers

aptsci.com carries NS delegation across 9 name servers — aptsci.com, ns1.aptsci.com, ns2.aptsci.com and 6 other.

There is at least partial name server overlap between aptsci.com and other domains — befe.co.kr, vera.or.kr, nids.co.kr and two more among them.

These name servers tend to appear in combination with the name servers ns.giantsoft.co.kr, ns1.giantsoft.co.kr, ns2.giantsoft.co.kr and ns3.giantsoft.co.kr.

Host names resolving to a single IP address:

aptsci.com has the IP address 203.245.24.54.

ns1.aptsci.com has the IP address 116.126.143.226.

ns2.aptsci.com has the IP address 218.145.65.144.

ns3.aptsci.com has the IP address 116.126.143.225.

ns.aptsci.com has the IP address 218.145.65.143.

ns1.giantsoft.co.kr has the IP address 116.126.143.226.

ns2.giantsoft.co.kr has the IP address 218.145.65.144.

ns3.giantsoft.co.kr has the IP address 116.126.143.225.

ns.giantsoft.co.kr has the IP address 218.145.65.143.

Both ns1.aptsci.com and ns1.giantsoft.co.kr resolve to 116.126.143.226 IP addresses each.

Both ns2.aptsci.com and ns2.giantsoft.co.kr resolve to 218.145.65.144 IP addresses each.

Both ns3.aptsci.com and ns3.giantsoft.co.kr resolve to 116.126.143.225 IP addresses each.

Both ns.aptsci.com and ns.giantsoft.co.kr resolve to 218.145.65.143 IP addresses each.

Mail Servers

aptsci.com uses two mail servers, gw.aptsci.com and ms37898306.msv1.invalid.

aptsci.com and other domains — isslab.co.kr for instance — share at least some mail servers.

Host names resolving to a single IP address:

gw.aptsci.com has the IP address 35.216.1.254.