coolsmile.jp - robtex.com

coolsmile.jp

DNSSEC⚠️ Not signed
A59.106.171.75🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2065.sakura.ne.jp
NScoolsmile.jp ⭐
A59.106.171.75🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2065.sakura.ne.jp
NSdns01.muumuu-domain.com
A202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc.
NSdns02.muumuu-domain.com
A160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXwww2065.sakura.ne.jp ⭐
A2001:e42:101:14:59:106:171:75🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww2065.sakura.ne.jp
A59.106.171.75🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2065.sakura.ne.jp
MXmail.coolsmile.jp(2)
TXTv=spf1 a:www2065.sakura.ne.jp mx ~all
SOAcoolsmile.jppostmaster@coolsmile.jp serial=1710780748

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=1784520903
WOT: SAFE (61/100)

NS for

coolsmile.jp

Previously MX for

mail.coolsmile.jp
coolsmile.jp

Same first word

coolsmile.net
coolsmile.org
coolsmile.fr
coolsmile.com
coolsmile.ro
coolsmile.dk
coolsmile.jp

Similar names

locosmile.com
soleilcom.com
melioscol.org
solielcom.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NScoolsmile.jpdns01.muumuu-domain.comdns02.muumuu-domain.commaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXmail.coolsmile.jpwww2065.sakura.ne.jpcoolsmile.jpA59.106.171.75
●NScoolsmile.jp2026-03-28 → 2026-07-20 · 3 obs
○ 2017-06-09 09:19:16
● 2026-03-28 08:37:46
● 2026-07-20 05:08:48
●NSdns01.muumuu-domain.com2026-03-28 → 2026-07-20 · 3 obs
○ 2017-06-09 09:19:16
● 2026-03-28 08:37:46
● 2026-07-20 05:08:48
●NSdns02.muumuu-domain.com2026-03-28 → 2026-07-20 · 3 obs
○ 2017-06-09 09:19:16
● 2026-03-28 08:37:46
● 2026-07-20 05:08:48
○NSmaster.dns.ne.jp2015-08-23 → 2017-06-09 · 4 obs
● 2015-08-23 21:51:46
● 2017-06-09 09:19:16
○ 2026-03-28 08:37:46
○ 2026-07-20 05:08:48
○NSns1.dns.ne.jp2015-08-23 → 2017-06-09 · 4 obs
● 2015-08-23 21:51:46
● 2017-06-09 09:19:16
○ 2026-03-28 08:37:46
○ 2026-07-20 05:08:48
○NSns2.dns.ne.jp2015-08-23 → 2017-06-09 · 4 obs
● 2015-08-23 21:51:46
● 2017-06-09 09:19:16
○ 2026-03-28 08:37:46
○ 2026-07-20 05:08:48
○MXcoolsmile.jp2015-08-23 → 2017-06-09 · 4 obs
● 2015-08-23 21:51:46
● 2017-06-09 09:19:16
○ 2026-03-28 08:37:46
○ 2026-07-20 05:08:48
●MXmail.coolsmile.jp2026-03-28 → 2026-07-20 · 3 obs
○ 2017-06-09 09:19:16
● 2026-03-28 08:37:46
● 2026-07-20 05:08:48
●MXwww2065.sakura.ne.jp2026-03-28 → 2026-07-20 · 3 obs
○ 2017-06-09 09:19:16
● 2026-03-28 08:37:46
● 2026-07-20 05:08:48
●A59.106.171.752015-08-23 → 2026-07-20 · 2 obs
● 2015-08-23 21:51:46
● 2026-07-20 05:08:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
coolsmile.jpdns01.muumuu-domain.com, dns02.muumuu-domain.com-

✅ Authoritative Response

Server:202.239.23.39

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolsmile.jp (unsigned zone)

⏱️ Timing

Total: 3016ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.171.75
NS2dns02.muumuu-domain.com, dns01.muumuu-domain.com
MX2www2065.sakura.ne.jp (pri: 1), mail.coolsmile.jp (pri: 2)
TXT1v=spf1 a:www2065.sakura.ne.jp mx ~all
SOA1coolsmile.jp postmaster.coolsmile.jp

Analysis

Name Server Role

coolsmile.jp acts as a name server for coolsmile.jp, meaning it is self-referentially delegated.

dns01.muumuu-domain.com and dns02.muumuu-domain.com frequently appear as name servers alongside coolsmile.jp.

IP Addresses

coolsmile.jp resolves to one IP address: 59.106.171.75.

three-heart.net, fuyaman.jp, mail.taisei-chita.co.jp and two other host names share IP numbers with coolsmile.jp.

Name Servers

The DNS delegation for coolsmile.jp uses three name servers — coolsmile.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

coolsmile.jp shares at least some of its name servers with other domains, including sibf.jp, nozawakanae.com, miyakogroup.co.jp and two others.

Each of the three hostnames points to exactly one IP address: coolsmile.jp points to 59.106.171.75, dns01.muumuu-domain.com points to 202.239.23.39 and dns02.muumuu-domain.com points to 160.251.249.62.

Mail Servers

Mail for coolsmile.jp is handled by two mail servers — mail.coolsmile.jp and www2065.sakura.ne.jp.

The mail servers of coolsmile.jp overlap at least partially with those of other domains, including www2065.sakura.ne.jp, nakanishikobo.com and iwata-group.com.

These mail servers commonly co-occur with mail servers sv14075.xserver.jp, aspmx2.googlemail.com, aspmx3.googlemail.com and 5 others.

Hostnames that resolve to two IP addresses:

www2065.sakura.ne.jp resolves to 59.106.171.75 and 2001:e42:101:14:59:106:171:75.