os-web.jp - robtex.com

os-web.jp

DNSSEC⚠️ Not signed
A122.28.47.121🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRos-web.jp
NSmwns1.customer.ne.jp ⭐
A210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE
NSmwns2.customer.ne.jp
A202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE
MXos-web.jp ⭐
A122.28.47.121🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRos-web.jp
TXTv=spf1 a include:_spf.bizmw.com ~all
SOAmwns1.customer.ne.jphost-plan-ac@ntt.com serial=1613634163

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1777358703

PTR for

121.47.28.122.in-addr.arpa

MX for

os-web.jp

Same first word

os-web.co.uk
os-web.jp
os-web.com
os-web.it
os-web.org

Similar names

so-web.fr
bw-seo.com
so-web.de
so-web.be
so-web.eu
so-web.com
so-web.net
web-so.com
web-os.de
web-os.dk
oes-bw.de
web-os.com
wo-bes.com
web-os.net
so-web.nl
we-bos.com
web-so.dyndns.org
so-web.info

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSmwns1.customer.ne.jpmwns2.customer.ne.jpns-219.dns.jp-e1.cloudn-service.comns-220.dns.jp-w1.cloudn-service.comns-221.dns.us-e1.cloudn-service.comns1.secure.netns2.secure.netMXos-web.jpA122.28.47.121122.1.203.228
●NSmwns1.customer.ne.jp2026-04-09 → 2026-04-28 · 3 obs
○ 2017-01-24 07:49:12
● 2026-04-09 16:06:48
● 2026-04-28 07:23:32
●NSmwns2.customer.ne.jp2026-04-09 → 2026-04-28 · 3 obs
○ 2017-01-24 07:49:12
● 2026-04-09 16:06:48
● 2026-04-28 07:23:32
○NSns-219.dns.jp-e1.cloudn-service.com2016-01-07 → 2017-01-24 · 5 obs
○ 2015-10-30 19:33:42
● 2016-01-07 03:44:42
● 2017-01-24 07:49:12
○ 2026-04-09 16:06:48
○ 2026-04-28 07:23:32
○NSns-220.dns.jp-w1.cloudn-service.com2016-01-07 → 2017-01-24 · 5 obs
○ 2015-10-30 19:33:42
● 2016-01-07 03:44:42
● 2017-01-24 07:49:12
○ 2026-04-09 16:06:48
○ 2026-04-28 07:23:32
○NSns-221.dns.us-e1.cloudn-service.com2016-01-07 → 2017-01-24 · 5 obs
○ 2015-10-30 19:33:42
● 2016-01-07 03:44:42
● 2017-01-24 07:49:12
○ 2026-04-09 16:06:48
○ 2026-04-28 07:23:32
○NSns1.secure.net2015-08-10 → 2015-10-30 · 4 obs
● 2015-08-10 13:17:02
● 2015-10-30 19:33:42
○ 2016-01-07 03:44:42
○ 2026-04-28 07:23:32
○NSns2.secure.net2015-08-10 → 2015-10-30 · 4 obs
● 2015-08-10 13:17:02
● 2015-10-30 19:33:42
○ 2016-01-07 03:44:42
○ 2026-04-28 07:23:32
●MXos-web.jp2015-08-10 → 2026-04-28 · 2 obs
● 2015-08-10 13:17:02
● 2026-04-28 07:23:32
○A122.1.203.2282015-08-10 → 2017-01-24 · 4 obs
● 2015-08-10 13:17:02
● 2017-01-24 07:49:12
○ 2026-04-09 16:06:48
○ 2026-04-28 07:23:32
●A122.28.47.1212026-04-09 → 2026-04-28 · 3 obs
○ 2017-01-24 07:49:12
● 2026-04-09 16:06:48
● 2026-04-28 07:23:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
os-web.jpmwns2.customer.ne.jp, mwns1.customer.ne.jp-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for os-web.jp (unsigned zone)

⏱️ Timing

Total: 2066ms | Queries: -

📄 Records

TypeCountSample Data
A1122.28.47.121
NS2mwns2.customer.ne.jp, mwns1.customer.ne.jp
MX1os-web.jp (pri: 10)
TXT1v=spf1 a include:_spf.bizmw.com ~all
SOA1mwns1.customer.ne.jp host-plan-ac.ntt.co

Analysis

Mail Server Role

os-web.jp is the mail server for os-web.jp.

IP Addresses

os-web.jp resolves to a single IP: 122.28.47.121.

Name Servers

os-web.jp has two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.

os-web.jp shares the same name server setup as other domains, for example matsuko.co.jp, okazaki-seihan.com, k-ishida.co.jp, docomo-8.jp and gasliving.co.jp.

Host names with a single IP:

mwns1.customer.ne.jp points to 210.150.23.210

mwns2.customer.ne.jp points to 202.17.152.183

Mail Servers

One mail server handles os-web.jp.

Host name os-web.jp points to IP 122.28.47.121.