`virtualbrain.com`

DNSSEC	⚠️ Not signed
A	153.122.23.90^{🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
		PTR	`sub0000551387.hmk-temp.com`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mail.virtualbrain.com` ⭐
		A	153.122.23.90^{🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`sub0000551387.hmk-temp.com`
TXT	`v=spf1 +a +mx +a:localhost.localdomain -all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1777564095

`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=1778659001

Previously MX for

virtualbrain.com

Subdomains

mail.virtualbrain.com

Same first word

virtualbrain.net

virtualbrain.ca

virtualbrain.com

virtualbrain.eu

virtualbrain.org

DNS History

11 records (6 active, 5 former)

●NS01.dnsv.jp2019-12-31 → 2026-05-13 · 3 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
● 2026-05-13 08:12:38

●NS02.dnsv.jp2019-12-31 → 2026-05-13 · 3 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
● 2026-05-13 08:12:38

●NS03.dnsv.jp2019-12-31 → 2026-05-13 · 3 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
● 2026-05-13 08:12:38

●NS04.dnsv.jp2019-12-31 → 2026-05-13 · 3 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
● 2026-05-13 08:12:38

○NSns.namedserver.net2015-07-01 → 2017-03-23 · 4 obs

● 2015-07-01 18:38:10
● 2017-03-23 21:07:20
○ 2019-12-31 21:04:58
○ 2026-05-13 08:12:38

○NSns2.namedserver.net2015-07-01 → 2017-03-23 · 4 obs

● 2015-07-01 18:38:10
● 2017-03-23 21:07:20
○ 2019-12-31 21:04:58
○ 2026-05-13 08:12:38

●MXmail.virtualbrain.com2019-12-31 → 2026-05-13 · 3 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
● 2026-05-13 08:12:38

○MXvirtualbrain.com2015-07-01 → 2017-03-23 · 4 obs

● 2015-07-01 18:38:10
● 2017-03-23 21:07:20
○ 2019-12-31 21:04:58
○ 2026-05-13 08:12:38

●A153.122.23.902026-03-31 → 2026-05-13 · 3 obs

○ 2019-12-31 21:04:58
● 2026-03-31 18:04:26
● 2026-05-13 08:12:38

○A153.122.46.512019-12-31 → 2019-12-31 · 4 obs

○ 2017-03-23 21:07:20
● 2019-12-31 21:04:58
○ 2026-03-31 18:04:26
○ 2026-05-13 08:12:38

○A153.122.6.642015-07-01 → 2017-03-23 · 4 obs

● 2015-07-01 18:38:10
● 2017-03-23 21:07:20
○ 2019-12-31 21:04:58
○ 2026-05-13 08:12:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
virtualbrain.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for virtualbrain.com (unsigned zone)

⏱️ Timing

Total: 3152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.23.90`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail.virtualbrain.com (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:localhost.localdomain -`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

virtualbrain.com is the parent of mail.virtualbrain.com.

IP Addresses

virtualbrain.com resolves to one IP number: 153.122.23.90.

Other host names such as sub0000551387.hmk-temp.com and mail.virtualbrain.com share IP numbers with virtualbrain.com.

Name Servers

virtualbrain.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

virtualbrain.com at least partially shares name servers with other domains, for instance clapon.net, aurogra2world.top, manager-salon.net, fsight.jp and teras-hd.co.jp.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

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

mail.virtualbrain.com resolves to IP 153.122.23.90.

virtualbrain.com - robtex.com