`btech.jp`

DNSSEC	⚠️ Not signed
A	140.227.151.153^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
		PTR	`140-227-151-153.pro.static.arena.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	`mail2.btech.jp` ⭐
		A	140.227.151.153^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
			PTR	`140-227-151-153.pro.static.arena.ne.jp`
TXT	`google-site-verification=TcWJTjyVnGnxk2y0aWm3hvTw6a-RRvPtQWLNOMHEsyA`
TXT	`v=spf1 ip4:140.227.151.153 ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1773031323

`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=1777024803

Subdomains

mail2.btech.jp

novelty.btech.jp

Same first word

btech.com.mx

btech.ac.th

btech.kr

btech.edu

btech.co.nz

btech.ie

btech.eg

btech.co.id

btech.ir

btech.co.il

btech.fi

btech.cn

btech.dk

btech.vn

btech.net

btech.com.vn

btech.be

btech.io

btech.hu

btech.software

btech.org

btech.mi.it

btech.tv

btech.de

btech.mobi

btech.nl

btech.in

btech.ps

btech.com.ua

btech.com.eg

btech.media

btech.com.br

btech.com.my

btech.id

btech.ch

btech.biz

btech.com.ng

btech.rs

btech.kz

btech.online

btech.eu

btech.mx

btech.com

btech.jp

btech.co.za

btech.ru

btech.cz

btech.business

btech.com.pe

Similar names

hbect.com

techb.net

thecb.com

hbtec.com.cn

becht.org

thebc.buzz

betch.de

techb.org

becht.fr

cethb.com

becht.nl

thebc.co

behtc.blogspot.is

thecb.biz

hcbet.com

techb.com

becht.eu

becht.com

cbeth.org

tcheb.ru

becht.bayern

chbet.com

ecbht.com

hebtc.com

becht.ch

thebc.ch

becht.in

hbtec.com.br

techb.ro

hbtec.org.cn

becht.se

ethbc.com

hbtec.com

cbteh.com

thecb.net

thebc.se

bhtec.com.br

bhcet.org.uk

behtc.blogspot.sn

techb.in

behtc.blogspot.lu

betch.com

becht.biz

becht.de

techb.us

thbce.top

bhtec.org.br

thebc.org

hetbc.com

thebc.es

techb.co.in

thebc.co.uk

behtc.de

thebc.uk

hbetc.com

bthec.com

chebt.com

becht.info

techb.co.uk

thecb.org

techb.it

betch.net

becht.net

ebthc.com

thebc.biz

bceth.com

betch.nl

DNS History

8 records (6 active, 2 former)

●NS01.dnsv.jp2015-06-14 → 2026-04-24 · 2 obs

● 2015-06-14 16:33:20
● 2026-04-24 10:22:04

●NS02.dnsv.jp2015-06-14 → 2026-04-24 · 2 obs

● 2015-06-14 16:33:20
● 2026-04-24 10:22:04

●NS03.dnsv.jp2017-02-04 → 2026-04-24 · 3 obs

○ 2015-06-14 16:33:20
● 2017-02-04 17:03:18
● 2026-04-24 10:22:04

●NS04.dnsv.jp2017-02-04 → 2026-04-24 · 3 obs

○ 2015-06-14 16:33:20
● 2017-02-04 17:03:18
● 2026-04-24 10:22:04

●MXmail2.btech.jp2026-04-13 → 2026-04-24 · 3 obs

○ 2017-06-14 14:07:32
● 2026-04-13 04:36:56
● 2026-04-24 10:22:04

○MXmx.btech.jp2015-06-14 → 2017-06-14 · 4 obs

● 2015-06-14 16:33:20
● 2017-06-14 14:07:32
○ 2026-04-13 04:36:56
○ 2026-04-24 10:22:04

●A140.227.151.1532026-04-13 → 2026-04-24 · 3 obs

○ 2017-06-14 14:07:32
● 2026-04-13 04:36:56
● 2026-04-24 10:22:04

○A203.138.185.622015-06-14 → 2017-06-14 · 4 obs

● 2015-06-14 16:33:20
● 2017-06-14 14:07:32
○ 2026-04-13 04:36:56
○ 2026-04-24 10:22:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, d.dns.jp, a.dns.jp, f.dns.jp...	-
btech.jp	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	7 records

✅ 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 btech.jp (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.227.151.153`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail2.btech.jp (pri: 10)`
TXT	2	`google-site-verification=TcWJTjyVnGnxk2y, v=spf1 ip4:140.227.151.153 ~all`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

btech.jp is a parent of mail2.btech.jp and novelty.btech.jp.

IP Addresses

btech.jp points to a single IP: 140.227.151.153.

Other host names, for instance mail2.btech.jp, www.ism-inc.net, ism-inc.net, osamaoyatsu.jp and www-live.osamaoyatsu.jp share IP numbers with btech.jp.

Name Servers

btech.jp's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

btech.jp partially shares name servers with other domains; examples include j-bunka.jp, molplus.net, cyber-rank.jp, dripcasino-1.site and okmodafinil.online.

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

btech.jp is handled by a single mail server, mail2.btech.jp.

btech.jp uses the same mail server setup as other domains, for example novelty.btech.jp.

mail2.btech.jp points to a single IP: 140.227.151.153.

btech.jp - robtex.com

btech.jp

jp