`sentan.net`

DNSSEC	⚠️ Not signed
A	133.167.38.233^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`ns1.teleworktoolbox.net`
NS	`ns1.sentan.net` ⭐ ⚠️ Not in parent delegation
		A	133.167.38.233^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns1.teleworktoolbox.net`
NS	`ik1-215-78330.vs.sakura.ne.jp` ⚠️ Not in zone NS records
		A	153.120.41.84^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`ns2.teleworktoolbox.net`
NS	`ns2.sentan.net` ⚠️ Not in parent delegation
		A	153.120.41.84^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`ns2.teleworktoolbox.net`
NS	`os3-357-11729.vs.sakura.ne.jp` ⚠️ Not in zone NS records
		A	133.167.38.233^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns1.teleworktoolbox.net`
MX	`mail.sentan.net` ⭐
		A	133.167.38.233^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns1.teleworktoolbox.net`
TXT	`v=spf1 +ip4:133.167.38.233 -all`
SOA	`ns1.sentan.net`Takayuki\@Nakano.sentan.net serial=20220227

`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=1776182397

📈 Tranco rank: #998,836

Subdomains

mail.sentan.net

ns2.sentan.net

ns1.sentan.net

Same first word

sentan.net

sentan.com

Similar names

nantes.city

netsan.ru

netsan.org

ansnet.co.uk

sannet.net

netsna.com

nantes.guide

antsen.com

nantes.digital

nantes.com.au

tensan.com

netans.com

santen.lv

stanne.school

nasnet.com

stanne.be

nanets.net

santen.fi

tansen.co

asnnet.jp

tensan.com.tw

ansent.info

sannet.ru

ansnet.org

santen.azurewebsites.net

nasnet.org

netsan.fr

nantes.cci.fr

santen.co.uk

santen.ie

santen.com.tw

tansen.fr

santen.co.in

estann.com

nantes.dk

nsanet.com.au

stanne.com

neants.com

setnan.org

santen.co

nasten.ru

nantes.de

santen.lu

santen.pt

santen.de

sannet.eu

netsan.de

santen.biz

sannet.ch

nantes.pl

stenna.co.uk

nantes.port.fr

santen.by

nasnet.cz

netsan.eu

santen.info

santen.co.kr

nantes.co

antens.be

snanet.org

nanets.com

netsan.pl

tansen.co.jp

ansnet.it

netsna.ru

ansent.biz

nanset.no

nantes.promo

nantes.it

antens.net

nantes.mobi

stenan.be

santen.ch

santen.fr

nantes.eu

annest.de

tansen.cn

sannet.ro

antens.me

santen.cz

nantes.co.uk

santen.es

nasnet.de

santen.nl

ansnet.ir

nsanet.com

santen.it

nsanet.net.au

setnan.no

stenna.net

sannet.ne.jp

steann.ru

nantes.net

santen.ee

santen.com

astenn.fr

nantes.taxi

tansen.org

tansen.me

entsan.com

stenna.in

antsen.eu

sannet.co

tansen.net

nasnet.net

stanne.school.nz

sannet.ad.jp

sannet.jp

stenna.org

tansen.ws

enstan.com

nestan.com.au

ansnet.com

netsan.it

santen.co.jp

sanent.com

stenna.at

nasent.com

santen.se

nasent.net

nantes.archi

nsenta.com

nasten.com.ua

sannet.com.ve

tansen.ca

nantes.today

santen.nu

snanet.co.uk

annets.com

steann.com

antsen.de

ansnet.de

santen.dk

setnan.com

nantes.pro

nantes.shopping

santen.org

nestan.com

antens.info

ansnet.biz

stenna.ru

sannet.com

santen.lt

setnan.net

nantes.tv

nasnet.co.jp

santen.eu

nantes.fr

santen.ru

ansent.co.kr

tennas.com

stenan.com

netsna.pro

santen.gr

ansnet.cn

natsen.cn

nantes.aeroport.fr

santen.at

stenna.com

santen.be

nasnet.eu

netsan.net

tensan.net

nesant.com

sannet.gov

nasnet.nl

santen.uk

santen.no

annest.nl

santen.com.pl

tansen.com

nantes.run

sannet.de

DNS History

10 records (6 active, 4 former)

○NSdns01.gmoserver.jp2015-07-14 → 2016-06-18 · 4 obs

● 2015-07-14 02:30:16
● 2016-06-18 23:19:30
○ 2017-02-09 09:24:06
○ 2026-04-14 16:01:24

○NSdns02.gmoserver.jp2015-07-14 → 2016-06-18 · 4 obs

● 2015-07-14 02:30:16
● 2016-06-18 23:19:30
○ 2017-02-09 09:24:06
○ 2026-04-14 16:01:24

●NSik1-215-78330.vs.sakura.ne.jp2026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

●NSns1.sentan.net2026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

●NSns2.sentan.net2026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

●NSos3-357-11729.vs.sakura.ne.jp2026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

●MXmail.sentan.net2026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

○MXmx.sentan.net2015-07-14 → 2016-06-18 · 4 obs

● 2015-07-14 02:30:16
● 2016-06-18 23:19:30
○ 2017-02-09 09:24:06
○ 2026-04-14 16:01:24

●A133.167.38.2332026-04-13 → 2026-04-14 · 3 obs

○ 2017-02-09 09:24:06
● 2026-04-13 21:05:38
● 2026-04-14 16:01:24

○A157.7.144.52015-07-14 → 2016-06-18 · 4 obs

● 2015-07-14 02:30:16
● 2016-06-18 23:19:30
○ 2017-02-09 09:24:06
○ 2026-04-14 16:01:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
sentan.net	os3-357-11729.vs.sakura.ne.jp, ik1-215-78330.vs.sakura.ne.jp	-

✅ Authoritative Response

Server:153.120.41.84

NS records: os3-357-11729.vs.sakura.ne.jp, ik1-215-78330.vs.sakura.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentan.net (unsigned zone)

⏱️ Timing

Total: 923ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.38.233`
NS	2	`ns1.sentan.net, ns2.sentan.net`
MX	1	`mail.sentan.net (pri: 10)`
TXT	1	`v=spf1 +ip4:133.167.38.233 -all`
SOA	1	`ns1.sentan.net Takayuki\.Nakano.sentan.n`

Analysis

Hierarchy

sentan.net is the parent of mail.sentan.net, ns2.sentan.net and ns1.sentan.net.

IP Addresses

sentan.net resolves to one IP number: 133.167.38.233.

other host names including teleworktoolbox.net, ns1.teleworktoolbox.net, ns1.sentan.net, mail.sentan.net and os3-357-11729.vs.sakura.ne.jp share IP numbers with sentan.net.

Name Servers

sentan.net is delegated to four name servers: ns1.sentan.net, ns2.sentan.net, ik1-215-78330.vs.sakura.ne.jp and os3-357-11729.vs.sakura.ne.jp.

sentan.net at least partially shares name servers with other domains, for instance teleworktoolbox.net.

these name servers are commonly used alongside ns2.teleworktoolbox.net.

Hosts with a single IP

ns1.sentan.net points to 133.167.38.233.

ns2.sentan.net points to 153.120.41.84.

ik1-215-78330.vs.sakura.ne.jp points to 153.120.41.84.

os3-357-11729.vs.sakura.ne.jp points to 133.167.38.233.

Hosts pointing to 133.167.38.233: ns1.sentan.net and os3-357-11729.vs.sakura.ne.jp.

Hosts pointing to 153.120.41.84: ns2.sentan.net and ik1-215-78330.vs.sakura.ne.jp.

Mail Servers

sentan.net is handled by a single mail server, mail.sentan.net.

mail.sentan.net resolves to IP 133.167.38.233.

sentan.net - robtex.com

sentan.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sentan.net`

`net`