cuvo.jp - dns.ninja

cuvo.jp

DNSSEC⚠️ Not signed
A49.212.198.28🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2818.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 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
PTRns2.dns.ne.jp
MXcuvo.jp ⭐
A49.212.198.28🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2818.sakura.ne.jp
TXTv=spf1 a:www2818.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2016-10-04 #17

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=1786260602

MX for

cuvo.jp

Subdomains

www.cuvo.jp

Same first word

cuvo.com
cuvo.jp
cuvo.nl
cuvo.ru
cuvo.de
cuvo.net
cuvo.org
cuvo.co
cuvo.io
cuvo.cn

Similar names

covu.net
couv.cn
oucv.top
covu.de
covu.com.cn
cvou.com
covu.org
ovcu.com
covu.com
uvco.net
vcuo.cn
vocu.de
vuco.org
ucvo.info
oucv.com
vocu.com
ouvc.com
uvco.org
couv.tv
covu.us
vuco.nl
vocu.cn
covu.nl
uvco.ru
cvou.nl
uovc.com
vouc.com
vocu.net
vuco.com
vuco.ru
ocvu.com
vcou.cz
ucov.com
uvoc.org
uvco.com
covu.me
uvoc.com
ovuc.de
cvuo.com
vcou.cn
covu.biz
vuco.de
couv.org
couv.net
couv.fr
couv.com
cvuo.ca
vcou.com
uvoc.net
uovc.cn
cuov.com
cuov.cn
uvco.de
uvco.co.uk
ucov.ru
uocv.com
vocu.nl
covu.ru
couv.me
ouvc.co.jp
vocu.ai
vuoc.com
ovuc.com
vocu.jp
couv.us
vuco.net

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns4.cpi.ad.jpns5.cpi.ad.jpMXcuvo.jpvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA49.212.198.28180.235.244.234
●NSmaster.dns.ne.jp2018-10-09 → 2026-08-09 · 3 obs
○ 2017-02-04 19:31:20
● 2018-10-09 15:16:06
● 2026-08-09 08:09:08
●NSns1.dns.ne.jp2018-10-09 → 2026-08-09 · 3 obs
○ 2017-02-04 19:31:20
● 2018-10-09 15:16:06
● 2026-08-09 08:09:08
●NSns2.dns.ne.jp2018-10-09 → 2026-08-09 · 3 obs
○ 2017-02-04 19:31:20
● 2018-10-09 15:16:06
● 2026-08-09 08:09:08
○NSns4.cpi.ad.jp2015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
○NSns5.cpi.ad.jp2015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
●MXcuvo.jp2018-10-09 → 2026-08-09 · 3 obs
○ 2017-02-04 19:31:20
● 2018-10-09 15:16:06
● 2026-08-09 08:09:08
○MXvlmx20.secure.ne.jp2015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
○MXvlmx21.secure.ne.jp2015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
○MXvlmx22.secure.ne.jp2015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
○A180.235.244.2342015-08-03 → 2017-02-04 · 4 obs
● 2015-08-03 03:06:24
● 2017-02-04 19:31:20
○ 2018-10-09 15:16:06
○ 2026-08-09 08:09:08
●A49.212.198.282018-10-09 → 2026-08-09 · 3 obs
○ 2017-02-04 19:31:20
● 2018-10-09 15:16:06
● 2026-08-09 08:09:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, g.dns.jp, d.dns.jp, a.dns.jp...-
cuvo.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuvo.jp (unsigned zone)

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.198.28
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1cuvo.jp (pri: 10)
TXT1v=spf1 a:www2818.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Hierarchy

The domain www.cuvo.jp falls under the parent cuvo.jp.

Mail Server Role

The MX record for cuvo.jp points back to cuvo.jp — it is its own mail server.

IP Addresses

cuvo.jp directs to one IP number, which is 49.212.198.28.

Among the host names that share IP numbers with cuvo.jp are kaitori-daikichi.sakura.ne.jp, lux-r.com, french-labo.com and two others.

Name Servers

DNS for cuvo.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of cuvo.jp's name servers are shared with other domains, for example timberland.vfjapan.jp, recaholic.com, mss-g.co.jp and two more.

These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.

Mail Servers

The MX record for cuvo.jp points to a single mail server: cuvo.jp.

cuvo.jp has exactly one IP number: 49.212.198.28.