`realization7.com`

DNSSEC	⚠️ Not signed
A	157.112.182.184^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
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` ⚠️ Not in parent delegation
		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	`realization7.com` ⭐
		A	157.112.182.184^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
TXT	`v=spf1 +a:sv98.xserver.jp +a:realization7.com +mx include:spf.sender.xserver....`
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=1778395406

MX for

realization7.com

Same first word

realization7.com

DNS History

8 records (7 active, 1 former)

●NSns1.xserver.jp2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●NSns2.xserver.jp2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●NSns3.xserver.jp2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●NSns4.xserver.jp2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●NSns5.xserver.jp2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●MXrealization7.com2018-01-11 → 2026-05-10 · 2 obs

● 2018-01-11 04:55:56
● 2026-05-10 07:00:40

●A157.112.182.1842026-03-01 → 2026-05-10 · 3 obs

○ 2018-01-11 04:55:56
● 2026-03-01 06:13:44
● 2026-05-10 07:00:40

○A210.188.201.682018-01-11 → 2018-01-11 · 3 obs

● 2018-01-11 04:55:56
○ 2026-03-01 06:13:44
○ 2026-05-10 07:00:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
realization7.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp	-

✅ Authoritative Response

Server:183.90.224.226

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for realization7.com (unsigned zone)

⏱️ Timing

Total: 1216ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.182.184`
NS	5	`ns5.xserver.jp, ns3.xserver.jp...`
MX	1	`realization7.com (pri: 0)`
TXT	1	`v=spf1 +a:sv98.xserver.jp +a:realization`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Mail Server Role

realization7.com serves as the mail server for realization7.com.

IP Addresses

realization7.com points to a single IP number: 157.112.182.184.

Other host names, for instance taiiku-doshikai.org, mizmai.net, neta-studio.net, www.izushi.jp and aratano.net share IP numbers with realization7.com.

Name Servers

realization7.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

realization7.com at least partially shares name servers with other domains, for instance butamiso.com, sohm01.xsrv.jp, f-market.net, kind-s.co.jp and unai.jp.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26

ns3.xserver.jp points to: 202.226.36.247

Mail Servers

A single mail server handles realization7.com.

realization7.com points to a single IP: 157.112.182.184.

realization7.com - robtex.com