ct-net.com - dns.ninja

`ct-net.com`

DNSSEC	⚠️ Not signed
A	120.136.14.18^{🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.}
		PTR	`sv717.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` ⚠️ 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	`ct-net.com` ⭐
		A	120.136.14.18^{🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.}
			PTR	`sv717.xserver.jp`
TXT	`v=spf1 +a:sv717.xserver.jp +a:ct-net.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=1786565889

MX for

ct-net.com

Same first word

ct-net.org

ct-net.nl

ct-net.co.jp

ct-net.jp

ct-net.com

ct-net.com.tw

ct-net.de

ct-net.co.uk

ct-net.ne.jp

Similar names

tc-ent.co.jp

t-cnet.or.jp

nt-tec.com

tn-tec.net

tc-net.ch

c-nett.fr

tn-tec.com

tnt-ec.com

tc-net.com

tc-net.info

tc-net.co.kr

ntec-t.com

tc-net.org

net-tc.com

tc-net.de

tn-tec.eu

net-ct.it

tc-net.com.cn

tc-net.jp

tc-net.net

c-nett.no

tc-net.co.jp

ett-cn.com

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●NSns2.xserver.jp2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●NSns3.xserver.jp2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●NSns4.xserver.jp2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●NSns5.xserver.jp2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●MXct-net.com2015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

●A120.136.14.182015-08-23 → 2026-08-12 · 2 obs

● 2015-08-23 13:50:20
● 2026-08-12 20:39:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
ct-net.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp	-

✅ Authoritative Response

Server:183.90.224.230

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ct-net.com (unsigned zone)

⏱️ Timing

Total: 4133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`120.136.14.18`
NS	5	`ns4.xserver.jp, ns2.xserver.jp...`
MX	1	`ct-net.com (pri: 0)`
TXT	1	`v=spf1 +a:sv717.xserver.jp +a:ct-net.com`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Mail Server Role

ct-net.com serves as a mail server for ct-net.com.

IP Addresses

ct-net.com has exactly one IP address — 120.136.14.18.

axlweb.net, xn--gmqw5aq79bol9a.com, ionamin.jp plus two other host names have IP numbers in common with ct-net.com.

Name Servers

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

ct-net.com partially shares its NS delegation with several other domains, including mccrosoft.com, oribe-hills.com, entrata.co.jp and two others.

These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.

Host names carrying three IP numbers:

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

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

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

Host names resolving to a single IP address:

The hostname ns2.xserver.jp resolves to 35.72.43.26.

The hostname ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

ct-net.com uses exactly one mail server, which is ct-net.com.

ct-net.com carries a single IP number, which is 120.136.14.18.