`future-brain.net`

DNSSEC	⚠️ Not signed
A	49.212.235.228^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3488.sakura.ne.jp`
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	`future-brain.net` ⭐
		A	49.212.235.228^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3488.sakura.ne.jp`
MX	`mail.future-brain.net` ⭐
		A	49.212.235.228^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3488.sakura.ne.jp`
TXT	`_dmarc.future-brain.net. IN TXT ( 'v=DMARC1; p=none; aspf=r; adkim=r; rua=mai...`
TXT	`rs20250722._domainkey.future-brain.net. IN TXT ( 'v=DKIM1; k=rsa; p=MIIBIjANB...`
TXT	`v=spf1 +ip4:49.212.235.228 -all`
TXT	`v=spf1 include:www3488.sakura.ne.jp include:_spf.google.com include:spf001.sh...`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=175316(0x37313735)

`net`

	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=1774684522

MX for

future-brain.net

Subdomains

mail.future-brain.net

Same first word

future-brain.net

future-brain.de

Similar names

brain-future.com

DNS History

11 records (7 active, 4 former)

●NS01.dnsv.jp2015-11-09 → 2026-03-28 · 3 obs

○ 2015-05-29 07:50:24
● 2015-11-09 19:25:20
● 2026-03-28 08:15:26

●NS02.dnsv.jp2015-11-09 → 2026-03-28 · 3 obs

○ 2015-05-29 07:50:24
● 2015-11-09 19:25:20
● 2026-03-28 08:15:26

●NS03.dnsv.jp2015-11-09 → 2026-03-28 · 3 obs

○ 2015-05-29 07:50:24
● 2015-11-09 19:25:20
● 2026-03-28 08:15:26

●NS04.dnsv.jp2015-11-09 → 2026-03-28 · 3 obs

○ 2015-05-29 07:50:24
● 2015-11-09 19:25:20
● 2026-03-28 08:15:26

○NSns.mcnet.ad.jp2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 07:50:24
○ 2015-11-09 19:25:20
○ 2026-03-28 08:15:26

○NSns2.mcnet.ad.jp2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 07:50:24
○ 2015-11-09 19:25:20
○ 2026-03-28 08:15:26

●MXfuture-brain.net2016-09-26 → 2026-03-28 · 3 obs

○ 2015-05-29 07:50:24
● 2016-09-26 14:38:18
● 2026-03-28 08:15:26

●MXmail.future-brain.net2015-05-29 → 2026-03-28 · 2 obs

● 2015-05-29 07:50:24
● 2026-03-28 08:15:26

○A124.241.194.2142015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 07:50:24
○ 2015-11-09 19:25:20
○ 2026-03-28 08:15:26

○A219.94.159.1102015-11-09 → 2016-09-26 · 5 obs

○ 2015-05-29 07:50:24
● 2015-11-09 19:25:20
● 2016-09-26 14:38:18
○ 2017-05-30 08:24:14
○ 2026-03-28 08:15:26

●A49.212.235.2282017-05-30 → 2026-03-28 · 3 obs

○ 2016-09-26 14:38:18
● 2017-05-30 08:24:14
● 2026-03-28 08:15:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
future-brain.net	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for future-brain.net (unsigned zone)

⏱️ Timing

Total: 1134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.235.228`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	2	`future-brain.net (pri: 10), mail.future-brain.net (pri: 10)`
TXT	4	`_dmarc.future-brain.net. IN TXT ( 'v=DMA, rs20250722._domainkey.future-brain.net. ...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

The parent of mail.future-brain.net is future-brain.net.

Mail Server Role

future-brain.net serves as a mail server for future-brain.net.

mail.future-brain.net serves as a mail server, commonly paired with future-brain.net.

IP Addresses

future-brain.net points to a single IP: 49.212.235.228.

Other host names, for instance maplefromcanada.jp, mahara.co.jp, mail.wayanresort.com, naratv.net and kk-fukuyama.co.jp share IP numbers with future-brain.net.

Name Servers

future-brain.net's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

future-brain.net partially shares name servers with other domains; examples include akitakurikoma.com, carbon-flow.com, coco-house.com, cf-correr.net and it-hack.net.

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

future-brain.net is handled by two mail servers: future-brain.net and mail.future-brain.net.

Some mail servers are shared between future-brain.net and other domains, for example mail.future-brain.net.

Host names with one IP number

Host name future-brain.net points to 49.212.235.228

Host name mail.future-brain.net points to 49.212.235.228

Host names that point to 49.212.235.228: future-brain.net and mail.future-brain.net

future-brain.net - robtex.com

future-brain.net

net

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

`future-brain.net`

`net`