cotoha.jp - dns.ninja

`cotoha.jp`

DNSSEC	⚠️ Not signed
A	202.226.37.187^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		PTR	`sv156.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	`cotoha.jp` ⭐
		A	202.226.37.187^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`sv156.xserver.jp`
TXT	`v=spf1 +a:sv156.xserver.jp +a:cotoha.jp +mx include:spf.sender.xserver.jp inc...`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1785284103

WOT: SAFE (67/100)

MX for

cotoha.jp

Subdomains

www.cotoha.jp

Same first word

cotoha.info

cotoha.jp

cotoha.com

cotoha.me

cotoha.net

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DNS History

8 records (7 active, 1 former)

●NSns1.xserver.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●NSns2.xserver.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●NSns3.xserver.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●NSns4.xserver.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●NSns5.xserver.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●MXcotoha.jp2015-06-11 → 2026-07-29 · 2 obs

● 2015-06-11 15:06:32
● 2026-07-29 00:34:30

●A202.226.37.1872026-02-19 → 2026-07-29 · 3 obs

○ 2016-12-21 07:58:00
● 2026-02-19 23:42:28
● 2026-07-29 00:34:30

○A210.188.201.1872015-06-11 → 2016-12-21 · 4 obs

● 2015-06-11 15:06:32
● 2016-12-21 07:58:00
○ 2026-02-19 23:42:28
○ 2026-07-29 00:34:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, b.dns.jp, e.dns.jp, h.dns.jp...	-
cotoha.jp	ns5.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	11 records

✅ Authoritative Response

Server:183.90.224.226

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotoha.jp (unsigned zone)

⏱️ Timing

Total: 1974ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.226.37.187`
NS	5	`ns3.xserver.jp, ns2.xserver.jp...`
MX	1	`cotoha.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv156.xserver.jp +a:cotoha.jp`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Hierarchy

cotoha.jp is a parent domain of www.cotoha.jp.

Mail Server Role

cotoha.jp acts as its own mail server.

IP Addresses

cotoha.jp points to a single IP number: 202.226.37.187.

Additional host names — kokoro-mirai.jp, jingu.jp, naruhodoshop.com and two others — share IP numbers with cotoha.jp.

Name Servers

Delegation for cotoha.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

cotoha.jp shares at least some of its name servers with other domains, including nishikubo-fukushikai.com, heroism.biz, sly.xsrv.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.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 pointing to a single IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

cotoha.jp has a single mail server: cotoha.jp itself.

cotoha.jp resolves to a single IP number: 202.226.37.187.