`katakensetsu.com`

DNSSEC	⚠️ Not signed
A	183.90.253.34^{🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.}
		PTR	`sv1433.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	`katakensetsu.com` ⭐
		A	183.90.253.34^{🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.}
			PTR	`sv1433.xserver.jp`
TXT	`v=spf1 +a:sv1433.xserver.jp +a:katakensetsu.com +mx include:spf.sender.xserve...`
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=1777044096

MX for

katakensetsu.com

Same first word

katakensetsu.com

Similar names

takakensetsu.com

takakensetsu.sakura.ne.jp

tsukasaketen.com

DNS History

15 records (7 active, 8 former)

○NSns01.kent-net.jp2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 14:30:48
○ 2015-07-13 18:19:58
○ 2026-04-24 15:29:56

○NSns02.kent-net.jp2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 14:30:48
○ 2015-07-13 18:19:58
○ 2026-04-24 15:29:56

○NSns1.in-plus.jp2015-07-13 → 2016-07-02 · 5 obs

○ 2008-03-19 14:30:48
● 2015-07-13 18:19:58
● 2016-07-02 20:45:02
○ 2017-05-29 08:28:20
○ 2026-04-24 15:29:56

●NSns1.xserver.jp2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

○NSns2.in-plus.jp2015-07-13 → 2016-07-02 · 5 obs

○ 2008-03-19 14:30:48
● 2015-07-13 18:19:58
● 2016-07-02 20:45:02
○ 2017-05-29 08:28:20
○ 2026-04-24 15:29:56

●NSns2.xserver.jp2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

●NSns3.xserver.jp2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

●NSns4.xserver.jp2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

●NSns5.xserver.jp2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

●MXkatakensetsu.com2017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

○MXqsmtp01.in-plus.jp2015-07-13 → 2016-07-02 · 5 obs

○ 2008-03-19 14:30:48
● 2015-07-13 18:19:58
● 2016-07-02 20:45:02
○ 2017-05-29 08:28:20
○ 2026-04-24 15:29:56

○MXsmx04s.cside.jp2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 14:30:48
○ 2015-07-13 18:19:58
○ 2026-04-24 15:29:56

○A125.206.115.772015-07-13 → 2016-07-02 · 5 obs

○ 2008-03-19 14:30:48
● 2015-07-13 18:19:58
● 2016-07-02 20:45:02
○ 2017-05-29 08:28:20
○ 2026-04-24 15:29:56

●A183.90.253.342017-05-29 → 2026-04-24 · 3 obs

○ 2016-07-02 20:45:02
● 2017-05-29 08:28:20
● 2026-04-24 15:29:56

○A202.191.112.962008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 14:30:48
○ 2015-07-13 18:19:58
○ 2026-04-24 15:29:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
katakensetsu.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, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for katakensetsu.com (unsigned zone)

⏱️ Timing

Total: 1468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.90.253.34`
NS	5	`ns5.xserver.jp, ns2.xserver.jp...`
MX	1	`katakensetsu.com (pri: 0)`
TXT	1	`v=spf1 +a:sv1433.xserver.jp +a:katakense`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Mail Server Role

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

IP Addresses

katakensetsu.com resolves to one IP number: 183.90.253.34.

Other host names, for instance warai.org, smtp.info-center.jp, oreteki-design.com, e-arr.jp and hairopus.net share IP numbers with katakensetsu.com.

Name Servers

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

katakensetsu.com at least partially shares name servers with other domains, including souwa-kk.co.jp, suginaminakano-school.com, shokusenden.com, qiuyeyuan.net and tap-in-golf-japan.com.

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

katakensetsu.com is handled by a single mail server, katakensetsu.com.

Host name katakensetsu.com resolves to a single IP: 183.90.253.34.

katakensetsu.com - robtex.com