`mail4.itcube.jp`

CNAME	`sv264.xbiz.ne.jp`
DNSSEC	⚠️ Not signed
A	183.90.231.65^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		PTR	`sv264.xbiz.ne.jp`
TXT	`v=spf1 +a:sv264.xbiz.ne.jp include:spf.sender.xserver.jp ~all`

`itcube.jp`

	DNSSEC	⚠️ Not signed
	A	183.90.231.65^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
	NS	`ns-875.awsdns-45.net` ⭐
	NS	`ns-1513.awsdns-61.org`
	NS	`ns-1564.awsdns-03.co.uk`
	NS	`ns-165.awsdns-20.com`
	MX	`mail4.itcube.jp` ⭐
	TXT	`google-site-verification=uCBclTGQCSLqkMH7GJ6vh_7MVh9xzvf02UY_U8cMsXc`
	TXT	`include:mdverno.maildealer.jp include:srs5739.cuenote.jp +a:sv264.xbiz.ne.jp ...`
	TXT	`v=spf1 +a +mx +a:smtp.goq.jp +ip4:211.125.90.207 69 +ip4:52.68.140.34 +ip4:1...`
	SOA	`ns-875.awsdns-45.net`awsdns-hostmaster@amazon.com serial=1

PTR for

69.85.122.153.in-addr.arpa

MX for

itcube.jp

Previously MX for

nishikigawa.com

Same first word

mail4.org

mail4.dk

mail4.pl

mail4.nhs.uk

mail4.io

mail4.de

mail4.mil.ru

mail4.ru

mail4.in

mail4.co

mail4.com

mail4.it

mail4.gov.ao

mail4.net

mail4.pro

mail4.info

mail4.us

mail4.at

mail4.uk

mail4.kinghost.net

Similar names

4mail.co

4mail.de

4mail.org

4mail.us

4mail.eu

lima4.com

4mali.com

4lima.com

4mail.nl

4mail.ru

4lima.ch

4mail.xyz

4mail.be

4lima.at

4mail.od.ua

ai4ml.com

4mail.nz

4mail.es

4mail.pt

4mail.work

4mail.com

4mail.co.uk

4lima.de

4mail.se

mila4.de

4mail.me

4mail.net

4mail.hu

4mail.fr

4mail.pl

4mail.pro

4mail.cn

4mail.ca

4mail.it

4mila.ch

ml4ai.net

DNS History

2 records (1 active, 1 former)

○A153.122.85.692017-08-22 → 2026-02-17 · 4 obs

● 2017-08-22 04:32:48
● 2026-02-17 02:43:16
○ 2026-03-18 10:32:34
○ 2026-05-07 18:58:56

●CNAMEsv264.xbiz.ne.jp2026-02-17 → 2026-05-07 · 2 obs

● 2026-02-17 02:43:16
● 2026-05-07 18:58:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
itcube.jp	ns-165.awsdns-20.com, ns-875.awsdns-45.net, ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-
itcube.jp	ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net	-

✅ Authoritative Response

Server:205.251.197.233

NS records: ns-1513.awsdns-61.org, ns-1564.awsdns-03.co.uk, ns-165.awsdns-20.com, ns-875.awsdns-45.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itcube.jp (unsigned zone)

⏱️ Timing

Total: 1021ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`sv264.xbiz.ne.jp`

Analysis

Mail Server Role

mail4.itcube.jp acts as a mail server for itcube.jp.

IP Addresses

mail4.itcube.jp points to a single IP number: 183.90.231.65.

Other host names, for instance mail.goq.jp, www.goqsmile.com, www.goqsystem.com, goq.co.jp and itcube.jp share IP numbers with mail4.itcube.jp.

mail4.itcube.jp - robtex.com

mail4.itcube.jp

itcube.jp