opsk.com - dns.ninja

`opsk.com`

DNSSEC	⚠️ Not signed
A	162.43.120.30^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv14029.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`opsk.com` ⭐
		A	162.43.120.30^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
			PTR	`sv14029.xserver.jp`
TXT	`v=spf1 +a:sv14029.xserver.jp +a:opsk.com +mx include:spf.sender.xserver.jp ~all`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`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=1782877911

MX for

opsk.com

Same first word

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oksp.co.kr

DNS History

8 records (7 active, 1 former)

●NSns1.xserver.jp2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●NSns2.xserver.jp2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●NSns3.xserver.jp2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●NSns4.xserver.jp2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●NSns5.xserver.jp2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●MXopsk.com2015-08-03 → 2026-07-01 · 2 obs

● 2015-08-03 15:11:32
● 2026-07-01 04:11:38

●A162.43.120.302026-04-10 → 2026-07-01 · 3 obs

○ 2017-04-10 13:45:40
● 2026-04-10 02:40:08
● 2026-07-01 04:11:38

○A210.188.201.722015-08-03 → 2017-04-10 · 4 obs

● 2015-08-03 15:11:32
● 2017-04-10 13:45:40
○ 2026-04-10 02:40:08
○ 2026-07-01 04:11:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
opsk.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.164

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opsk.com (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.120.30`
NS	5	`ns5.xserver.jp, ns2.xserver.jp...`
MX	1	`opsk.com (pri: 0)`
TXT	1	`v=spf1 +a:sv14029.xserver.jp +a:opsk.com`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Mail Server Role

opsk.com serves as a mail server for opsk.com.

IP Addresses

opsk.com has exactly one IP address — 162.43.120.30.

www.gkh.co.jp, k-society.com, baktok.com plus two other host names have IP numbers in common with opsk.com.

Name Servers

Five name servers handle delegation for opsk.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of opsk.com overlap at least partially with those of other domains — among them wingestate.jp, t-midori.org, tyumonjutaku.work and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

opsk.com uses exactly one mail server, which is opsk.com.

opsk.com directs to just one IP number, 162.43.120.30.