cu-m.com - dns.ninja

`cu-m.com`

DNSSEC	⚠️ Not signed
A	85.131.207.185^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16444.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.}
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.}
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.}
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.}
MX	`cu-m.com` ⭐
		A	85.131.207.185^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
			PTR	`sv16444.xserver.jp`
TXT	`v=spf1 +a:sv16444.xserver.jp +a:cu-m.com +mx include:spf.sender.xserver.jp ~all`
SOA	`ns1.xserver.jp`root@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=1783992247

WOT: SAFE (63/100)

MX for

cu-m.com

Subdomains

mx.cu-m.com

Same first word

cu-m.de

cu-m.com

Similar names

mu-c.com

cm-u.com

mu-c.de

mc-u.at

mc-u.dk

mu-c.net

uc-m.com

m-uc.de

m-uc.com

u-cm.com

c-mu.dk

c-um.com

m-cu.com

DNS History

16 records (7 active, 9 former)

○NSns.namedserver.net2015-08-22 → 2018-02-08 · 4 obs

● 2015-08-22 16:09:14
● 2018-02-08 07:26:44
○ 2018-12-08 13:11:44
○ 2026-07-14 01:40:50

○NSns1.mixhost.jp2018-12-08 → 2018-12-08 · 4 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
○ 2026-02-16 14:09:24
○ 2026-07-14 01:40:50

●NSns1.xserver.jp2026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

○NSns2.mixhost.jp2018-12-08 → 2018-12-08 · 4 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
○ 2026-02-16 14:09:24
○ 2026-07-14 01:40:50

○NSns2.namedserver.net2015-08-22 → 2018-02-08 · 4 obs

● 2015-08-22 16:09:14
● 2018-02-08 07:26:44
○ 2018-12-08 13:11:44
○ 2026-07-14 01:40:50

●NSns2.xserver.jp2026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

○NSns3.mixhost.jp2018-12-08 → 2018-12-08 · 4 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
○ 2026-02-16 14:09:24
○ 2026-07-14 01:40:50

●NSns3.xserver.jp2026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

○NSns4.mixhost.jp2018-12-08 → 2018-12-08 · 4 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
○ 2026-02-16 14:09:24
○ 2026-07-14 01:40:50

●NSns4.xserver.jp2026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

●NSns5.xserver.jp2026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

●MXcu-m.com2018-12-08 → 2026-07-14 · 3 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
● 2026-07-14 01:40:50

○MXmx.cu-m.com2015-08-22 → 2018-02-08 · 4 obs

● 2015-08-22 16:09:14
● 2018-02-08 07:26:44
○ 2018-12-08 13:11:44
○ 2026-07-14 01:40:50

○A150.95.52.882018-12-08 → 2018-12-08 · 4 obs

○ 2018-02-08 07:26:44
● 2018-12-08 13:11:44
○ 2026-02-16 14:09:24
○ 2026-07-14 01:40:50

○A211.13.196.1562015-08-22 → 2018-02-08 · 4 obs

● 2015-08-22 16:09:14
● 2018-02-08 07:26:44
○ 2018-12-08 13:11:44
○ 2026-07-14 01:40:50

●A85.131.207.1852026-02-16 → 2026-07-14 · 3 obs

○ 2018-12-08 13:11:44
● 2026-02-16 14:09:24
● 2026-07-14 01:40:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cu-m.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.170

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 cu-m.com (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.207.185`
NS	5	`ns1.xserver.jp, ns3.xserver.jp...`
MX	1	`cu-m.com (pri: 0)`
TXT	1	`v=spf1 +a:sv16444.xserver.jp +a:cu-m.com`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

cu-m.com serves as the parent of mx.cu-m.com.

Mail Server Role

The MX record for cu-m.com points back to cu-m.com — it is its own mail server.

IP Addresses

cu-m.com directs to one IP number, which is 85.131.207.185.

Among the host names that share IP numbers with cu-m.com are mx.cu-m.com, www.a-paris.info, er-next.com and two others.

Name Servers

The authoritative name servers for cu-m.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

cu-m.com has at least partial name server overlap with other domains, such as hengeljapon.com, bandiera.biz, showaku-shakyo.jp and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

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.

Hosts that resolve to one IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

The MX record for cu-m.com points to a single mail server: cu-m.com.

cu-m.com resolves to a single IP number: 85.131.207.185.