u-know.jp - robtex.com

u-know.jp

DNSSEC⚠️ Not signed
A153.122.30.91🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsub0000546909.hmk-temp.com
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.u-know.jp ⭐
A153.122.30.91🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsub0000546909.hmk-temp.com
TXTgoogle-site-verification=b4DFf4ubXWY0IE9_b93CEPGDrHA6ygs8jBlGNXO2zuQ
TXTv=spf1 +ip4:153.122.30.91 +ip4:180.222.183.249 +ip4:180.222.183.250 -all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1559110725

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=1775985303

Subdomains

mail.u-know.jp

Same first word

u-know.jp
u-know.com
u-know.fr
u-know.it
u-know.co.uk
u-know.de
u-know.eu

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns4.eu-d.co.jpns5.eu-d.co.jpMXmail.u-know.jpA153.122.30.9158.80.21.4
●NS01.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs
○ 2018-07-25 05:43:32
● 2026-04-12 09:54:18
● 2026-04-12 09:54:20
●NS02.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs
○ 2018-07-25 05:43:32
● 2026-04-12 09:54:18
● 2026-04-12 09:54:20
●NS03.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs
○ 2018-07-25 05:43:32
● 2026-04-12 09:54:18
● 2026-04-12 09:54:20
●NS04.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs
○ 2018-07-25 05:43:32
● 2026-04-12 09:54:18
● 2026-04-12 09:54:20
○NSns4.eu-d.co.jp2015-06-22 → 2018-07-25 · 4 obs
● 2015-06-22 15:44:12
● 2018-07-25 05:43:32
○ 2026-04-12 09:54:18
○ 2026-04-12 09:54:20
○NSns5.eu-d.co.jp2015-06-22 → 2018-07-25 · 4 obs
● 2015-06-22 15:44:12
● 2018-07-25 05:43:32
○ 2026-04-12 09:54:18
○ 2026-04-12 09:54:20
●MXmail.u-know.jp2015-06-22 → 2026-04-12 · 2 obs
● 2015-06-22 15:44:12
● 2026-04-12 09:54:20
●A153.122.30.912018-07-25 → 2026-04-12 · 3 obs
○ 2016-11-27 20:32:08
● 2018-07-25 05:43:32
● 2026-04-12 09:54:20
○A58.80.21.42015-06-22 → 2016-11-27 · 4 obs
● 2015-06-22 15:44:12
● 2016-11-27 20:32:08
○ 2018-07-25 05:43:32
○ 2026-04-12 09:54:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, d.dns.jp, a.dns.jp, c.dns.jp...-
u-know.jp03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

NS records: 03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u-know.jp (unsigned zone)

⏱️ Timing

Total: 858ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.30.91
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.u-know.jp (pri: 10)
TXT2google-site-verification=b4DFf4ubXWY0IE9, v=spf1 +ip4:153.122.30.91 +ip4:180.222.1
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

u-know.jp is parent of mail.u-know.jp.

IP Addresses

u-know.jp points to a single IP: 153.122.30.91.

Other host names such as mail.u-know.jp, sub0000546909.hmk-temp.com, mail.tokuzo.net and tokuzo.net share IP numbers with u-know.jp.

Name Servers

u-know.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

u-know.jp at least partially shares its name servers with other domains, for instance keyence.lt, kensetu-bukka.or.jp, matomesoku.jp, alphasta.net and premiumdarkmarkets.link.

Two IPs per host:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

One IP per host:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

u-know.jp is served by a single mail server, mail.u-know.jp.

mail.u-know.jp points to IP number 153.122.30.91.