`vsys.jp`

DNSSEC	⚠️ Not signed
A	164.46.44.1^{🇯🇵 IDC164.46.32.0/19 Frontier Inc.}
		PTR	`red-goat-4db64e49d68b806b.znlc.jp`
NS	`ns-1528.awsdns-63.org` ⭐
		A	2600:9000:5305:f800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1528.awsdns-63.org`
		A	205.251.197.248^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1528.awsdns-63.org`
NS	`ns-1960.awsdns-53.co.uk`
		A	2600:9000:5307:a800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1960.awsdns-53.co.uk`
		A	205.251.199.168^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1960.awsdns-53.co.uk`
NS	`ns-51.awsdns-06.com`
		A	2600:9000:5300:3300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-51.awsdns-06.com`
		A	205.251.192.51^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-51.awsdns-06.com`
NS	`ns-966.awsdns-56.net`
		A	2600:9000:5303:c600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-966.awsdns-56.net`
		A	205.251.195.198^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-966.awsdns-56.net`
MX	`vsys.jp` ⭐
		A	164.46.44.1^{🇯🇵 IDC164.46.32.0/19 Frontier Inc.}
			PTR	`red-goat-4db64e49d68b806b.znlc.jp`
MX	`vsys-jp.mail.protection.outlook.com`⁽¹⁰⁰⁾
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
TXT	`MS=ms57788959`
TXT	`v=spf1 ip4:164.46.44.1 include:_spf.google.com include:spf.protection.outlook...`
SOA	`ns-1528.awsdns-63.org`awsdns-hostmaster@amazon.com serial=1

`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=1785994202

WOT: SAFE (2/100)

MX for

vsys.jp

Subdomains

mail.vsys.jp

Same first word

vsys.jp

vsys.net

vsys.nl

vsys.cn

vsys.name

vsys.fr

vsys.in

vsys.pl

vsys.com

vsys.no

vsys.vn

vsys.ca

vsys.eu

vsys.cloud

vsys.ir

vsys.de

vsys.com.mx

vsys.co

vsys.host

vsys.es

vsys.ru

vsys.us

vsys.co.kr

vsys.digital

vsys.at

vsys.com.br

vsys.mx

vsys.site

vsys.network

vsys.se

Similar names

sysv.com

svys.com

ssyv.org.tr

vssy.cn

sysv.de

svys.cz

yssv.com

ssyv.com

syvs.cn

svsy.com

vssy.com

vyss.com

sysv.net

ysvs.org

ysvs.com

svsy.club

sysv.dev

vyss.ru

sysv.se

svsy.fi

vyss.com.br

sysv.co.za

sysv.co.jp

syvs.com

ssvy.com

sysv.org

sysv.ru

sysv.jp

DNS History

15 records (7 active, 8 former)

●NSns-1528.awsdns-63.org2018-09-18 → 2026-08-06 · 3 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
● 2026-08-06 06:22:14

●NSns-1960.awsdns-53.co.uk2018-09-18 → 2026-08-06 · 3 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
● 2026-08-06 06:22:14

●NSns-51.awsdns-06.com2018-09-18 → 2026-08-06 · 3 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
● 2026-08-06 06:22:14

●NSns-966.awsdns-56.net2018-09-18 → 2026-08-06 · 3 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
● 2026-08-06 06:22:14

○NSnsas1.firstserver.ne.jp2015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○NSnsas2.firstserver.ne.jp2015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○MXmail.vsys.jp2015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○MXmx1.firstserver.ne.jp2015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○MXmx2.firstserver.ne.jp2015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

●MXvsys-jp.mail.protection.outlook.com2026-04-10 → 2026-08-06 · 3 obs

○ 2018-09-18 16:23:16
● 2026-04-10 13:06:40
● 2026-08-06 06:22:14

●MXvsys.jp2018-09-18 → 2026-08-06 · 3 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
● 2026-08-06 06:22:14

●A164.46.44.12026-04-10 → 2026-08-06 · 3 obs

○ 2018-09-18 16:23:16
● 2026-04-10 13:06:40
● 2026-08-06 06:22:14

○A182.160.156.1062015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:01:04
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○A203.137.46.912015-06-28 → 2016-07-16 · 4 obs

● 2015-06-28 04:01:04
● 2016-07-16 20:53:54
○ 2018-09-18 16:23:16
○ 2026-08-06 06:22:14

○A210.229.242.412018-09-18 → 2018-09-18 · 4 obs

○ 2016-07-16 20:53:54
● 2018-09-18 16:23:16
○ 2026-04-10 13:06:40
○ 2026-08-06 06:22:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
vsys.jp	ns-966.awsdns-56.net, ns-51.awsdns-06.com, ns-1960.awsdns-53.co.uk, ns-1528.awsdns-63.org	-

✅ Authoritative Response

Server:205.251.199.168

NS records: ns-966.awsdns-56.net, ns-51.awsdns-06.com, ns-1960.awsdns-53.co.uk, ns-1528.awsdns-63.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vsys.jp (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`164.46.44.1`
NS	4	`ns-1528.awsdns-63.org, ns-1960.awsdns-53.co.uk...`
MX	2	`vsys.jp (pri: 0), vsys-jp.mail.protection.outlook.com (pri`
TXT	2	`MS=ms57788959, v=spf1 ip4:164.46.44.1 include:_spf.goog`
SOA	1	`ns-1528.awsdns-63.org awsdns-hostmaster.`

Analysis

Hierarchy

mail.vsys.jp is a subdomain of vsys.jp.

Mail Server Role

vsys.jp serves as a mail server for vsys.jp.

vsys-jp.mail.protection.outlook.com routinely functions as a mail server together with vsys.jp.

IP Addresses

vsys.jp has exactly one IP address — 164.46.44.1.

Among the host names that share IP numbers with vsys.jp is red-goat-4db64e49d68b806b.znlc.jp, as one example.

Name Servers

Four name servers handle the delegation for vsys.jp: ns-51.awsdns-06.com, ns-966.awsdns-56.net, ns-1528.awsdns-63.org and ns-1960.awsdns-53.co.uk.

The name servers of vsys.jp overlap at least partially with those of other domains — among them kokurakatano-housedo.com, penreco.com, dnkmxg6hhd19a.cloudfront.net and two more.

Each of the four hosts ns-51.awsdns-06.com, ns-966.awsdns-56.net, ns-1528.awsdns-63.org and ns-1960.awsdns-53.co.uk has two IP addresses. ns-51.awsdns-06.com points to 205.251.192.51 and 2600:9000:5300:3300::1. ns-966.awsdns-56.net points to 205.251.195.198 and 2600:9000:5303:c600::1. ns-1528.awsdns-63.org points to 205.251.197.248 and 2600:9000:5305:f800::1. ns-1960.awsdns-53.co.uk points to 205.251.199.168 and 2600:9000:5307:a800::1.

Mail Servers

vsys.jp delegates mail to two mail servers, namely vsys.jp and vsys-jp.mail.protection.outlook.com.

Hosts with 8 IP addresses each:

vsys-jp.mail.protection.outlook.com maps to 52.101.124.0, 52.101.124.5, 52.101.157.10 and 5 additional IP addresses.

Host names resolving to a single IP address:

vsys.jp resolves to the IP address 164.46.44.1.

vsys.jp - robtex.com

vsys.jp

jp

MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`vsys.jp`

`jp`