iscb.net - dns.ninja

`iscb.net`

DNSSEC	⚠️ Not signed
A	219.94.155.240^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www450b.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`iscb.net` ⭐
		A	219.94.155.240^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www450b.sakura.ne.jp`
TXT	`v=spf1 a:www450b.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-03-19 #1

`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=1782254775

WOT: SAFE (74/100)

MX for

iscb.net

Subdomains

mail.iscb.net

www.iscb.net

Same first word

iscb.cn

iscb.eu

iscb.fr

iscb.de

iscb.be

iscb.org.in

iscb.net

iscb.pl

iscb.com

iscb.org

Similar names

cibs.org

scib.at

bcsi.in

cisb.com.cn

bcsi.ch

isbc.pl

bics.cn

bics.info

bsic.us

icbs.us

bics.re.kr

cisb.ac.th

icsb.shop

csib.ca

cibs.in

cisb.gob.ar

sbci.pl

sbci.edu

scib.eu

ibsc.is

cbis.pl

icbs.com.ar

bcis.co.nz

bics.it

sbci.co.nz

bics.lu

bsci.eu

sbic.co.kr

icbs.ma

cibs.co.th

cbsi.ph

sibc.eu

sibc.cn

cbis.org

bics.com

bcsi.online

scib.es

sbic.com.vn

sbic.com.mx

sbic.net

bsic.ru

cisb.es

bcsi.com.au

cisb.com.br

icsb.com.my

cbis.be

cisb.com

ibsc.de

ibcs.edu

ibcs.institute

cbsi.map.fastly.net

bcis.co.uk

bsic.org

bsci.com.mx

scib.fr

scib.cn

sibc.co.il

isbc.de

bics.us

sbic.de

bisc.or.jp

bisc.be

bcsi.org.bb

ibcs.com.au

ibcs.co.in

cbis.se

ibcs.org

cbsi.de

sibc.edu.au

icsb.eu

bcis.info

csbi.de

ibsc.cloud

cbsi.online

bisc.nl

sbic.sub.jp

bsci.com.gt

bisc.com.au

bics.co.jp

cbsi.mobi

bisc.info

bsci.org.uk

csib.info

ibsc.ch

bcsi.org

cibs.nl

isbc.org

isbc.com.br

sibc.fr

bcis.net.cn

bcsi.eu

bisc.management

cbis.gr

bsic.co.uk

scib.ir

sbic.ru

sbic.or.kr

bcsi.site

sbic.co.jp

sibc.jp

cbsi.info

cbsi.nl

sibc.ac.cn

bcis.ch

bics.be

icsb.fr

cbis.cn

ibsc.ca

bsci.net

sibc.se

csib.ae

bisc.by

bics.pro

cbsi.video

sbci.biz

cbsi.com.sb

cibs.es

ibcs.cz

bsci.fr

cisb.org.in

ibsc.com

cibs.de

bisc.co

bcis.co

cbis.co.in

ibcs.com

icbs.cl

bcsi.cn

cbsi.cn

cbis.com.ua

icbs.co.in

isbc.com

bsic.ci

bisc.wroclaw.pl

bcsi.co.za

csib.fr

scib.ac.cn

bisc.org.nz

cbsi.us

icbs.ro

bcis.eu

bsic.net

csib.ru

bcsi.io

scib.com

bsic.kr

isbc.ir

bcis.gr

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2015-08-10 → 2026-06-23 · 2 obs

● 2015-08-10 13:58:58
● 2026-06-23 23:11:46

●NSns1.dns.ne.jp2015-08-10 → 2026-06-23 · 2 obs

● 2015-08-10 13:58:58
● 2026-06-23 23:11:46

●NSns2.dns.ne.jp2015-08-10 → 2026-06-23 · 2 obs

● 2015-08-10 13:58:58
● 2026-06-23 23:11:46

●MXiscb.net2015-08-10 → 2026-06-23 · 2 obs

● 2015-08-10 13:58:58
● 2026-06-23 23:11:46

●A219.94.155.2402015-08-10 → 2026-06-23 · 2 obs

● 2015-08-10 13:58:58
● 2026-06-23 23:11:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
iscb.net	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iscb.net (unsigned zone)

⏱️ Timing

Total: 940ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.94.155.240`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`iscb.net (pri: 10)`
TXT	1	`v=spf1 a:www450b.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Hierarchy

iscb.net serves as the parent of mail.iscb.net and www.iscb.net.

Mail Server Role

iscb.net serves as a mail server for iscb.net.

IP Addresses

iscb.net has exactly one IP address — 219.94.155.240.

shibafu-fukuoka.com, batget.com, luce.co.jp plus two other host names have IP numbers in common with iscb.net.

Name Servers

iscb.net carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

iscb.net partially shares its NS delegation with several other domains, including skynyrd-j.com, seishin-kaihatsu.com, sugamo.or.jp and two others.

These name servers often co-occur with the name servers dns.sakura.ad.jp.

master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1 — each hostname maps to exactly one IP address.

Mail Servers

iscb.net uses exactly one mail server, which is iscb.net.

iscb.net carries a single IP number, which is 219.94.155.240.