lets-co.jp - robtex.com

lets-co.jp

DNSSEC⚠️ Not signed
A202.172.25.18🇯🇵 DRNET202.172.24.0/21
PTRb17.coreserver.jp
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.lets-co.jp ⭐
A202.172.25.18🇯🇵 DRNET202.172.24.0/21
PTRb17.coreserver.jp
SOAns1.value-domain.comhostmaster@lets-co.jp 2024-10-24 #16

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=1774644302
WOT: SAFE (61/100)

Subdomains

mail.lets-co.jp

Same first word

lets-co.com
lets-co.co.jp

Similar names

sol-tec.biz
cet-sol.com
ect-sol.com
sol-tec.co.jp
t-close.fr
t-close.eu
tec-sol.com
tec-sol.ru
clo-set.com
lc-seto.com
tec-sol.de
sol-tec.net
sol-tec.ru
colt-es.com
tec-sol.eu
sol-tec.com
tec-sol.be
tec-sol.jp
eco-slt.com
sol-tec.eu
sol-tec.de
lc-seto.nl
sol-tec.jp
esco-lt.com
sol-tec.org
ocs-let.com
sol-tec.it
sol-tec.es

DNS History

7 records (5 active, 2 former)

200920112013201520172019202120232025NSns1.value-domain.comns2.value-domain.comns3.value-domain.comMXmail.lets-co.jpA202.172.25.18121.1.255.169192.168.201.2
●NSns1.value-domain.com2008-11-27 → 2026-03-27 · 2 obs
● 2008-11-27 07:26:36
● 2026-03-27 21:20:30
●NSns2.value-domain.com2008-11-27 → 2026-03-27 · 2 obs
● 2008-11-27 07:26:36
● 2026-03-27 21:20:30
●NSns3.value-domain.com2008-11-27 → 2026-03-27 · 5 obs
● 2008-11-27 07:26:36
○ 2015-07-17 18:59:10
○ 2017-09-01 22:38:46
● 2026-03-27 21:20:28
● 2026-03-27 21:20:30
●MXmail.lets-co.jp2015-07-17 → 2026-03-27 · 3 obs
○ 2008-11-27 07:26:36
● 2015-07-17 18:59:10
● 2026-03-27 21:20:30
○A121.1.255.1692008-11-27 → 2008-11-27 · 3 obs
● 2008-11-27 07:26:36
○ 2015-07-17 18:59:10
○ 2026-03-27 21:20:30
○A192.168.201.22015-07-17 → 2015-10-16 · 5 obs
○ 2008-11-27 07:26:36
● 2015-07-17 18:59:10
● 2015-10-16 15:20:12
○ 2015-12-29 15:14:12
○ 2026-03-27 21:20:30
●A202.172.25.182015-12-29 → 2026-03-27 · 3 obs
○ 2015-10-16 15:20:12
● 2015-12-29 15:14:12
● 2026-03-27 21:20:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
lets-co.jpns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com-

✅ Authoritative Response

Server:172.64.53.115

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lets-co.jp (unsigned zone)

⏱️ Timing

Total: 1118ms | Queries: -

📄 Records

TypeCountSample Data
A1202.172.25.18
NS2ns1.value-domain.com, ns2.value-domain.com
MX1mail.lets-co.jp (pri: 10)
SOA1ns1.value-domain.com hostmaster.lets-co.

Analysis

Hierarchy

The parent of mail.lets-co.jp is lets-co.jp.

IP Addresses

lets-co.jp points to a single IP: 202.172.25.18.

Other host names, for instance mail.dokugaku.info, ykishi.com, heroweb.jp, b17.coreserver.jp and machitime.net share IP numbers with lets-co.jp.

Name Servers

lets-co.jp is delegated to three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

lets-co.jp partially shares name servers with other domains; examples include ruru2.net, hori-shounika.com, hoptikom.net, korakuen-jp.com and jishokai.jp.

These name servers are commonly used with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Hosts with two IPs:

ns1.value-domain.com ->172.64.52.38 and 172.64.52.161

ns2.value-domain.com ->172.64.53.3 and 172.64.53.115

ns3.value-domain.com ->172.64.52.38 and 172.64.52.161

Hosts pointing to 172.64.52.38: ns1.value-domain.com and ns3.value-domain.com

Hosts pointing to 172.64.52.161: ns1.value-domain.com and ns3.value-domain.com

Mail Servers

lets-co.jp is handled by a single mail server, mail.lets-co.jp.

lets-co.jp uses the same mail server setup as other domains, for example lets-it.com.

mail.lets-co.jp points to a single IP: 202.172.25.18.