dotc.co.jp - robtex.com

dotc.co.jp

DNSSEC⚠️ Not signed
A157.7.174.95🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRunused-157-7-174-095.interq.or.jp
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
MXdotc-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.1🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
TXTMS=ms60172213
TXTv=spf1 include:spf.protection.outlook.com -all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1706162077

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

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tdoc.hu

DNS History

6 records (6 active, 0 former)

2020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXdotc-co-jp.mail.protection.outlook.comA157.7.174.95
●NS01.dnsv.jp2019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48
●NS02.dnsv.jp2019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48
●NS03.dnsv.jp2019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48
●NS04.dnsv.jp2019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48
●MXdotc-co-jp.mail.protection.outlook.com2019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48
●A157.7.174.952019-12-13 → 2026-07-18 · 2 obs
● 2019-12-13 12:23:24
● 2026-07-18 07:40:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
dotc.co.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.32.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dotc.co.jp (unsigned zone)

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.174.95
NS401.dnsv.jp, 02.dnsv.jp...
MX1dotc-co-jp.mail.protection.outlook.com (
TXT2MS=ms60172213, v=spf1 include:spf.protection.outlook.co
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

IP Addresses

dotc.co.jp points to a single IP number: 157.7.174.95.

Additional host names — solidvox.jp, nissaykirakukai.jp, chord.or.jp and two others — share IP numbers with dotc.co.jp.

Name Servers

dotc.co.jp has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

There is at least partial name server overlap between dotc.co.jp and other domains — flatcorp-dev.com, keyshop-watanabe.com, neogis.net and two more among them.

Host names with two IP numbers:

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

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

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

Host names pointing to a single IP address:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

dotc.co.jp has one mail server: dotc-co-jp.mail.protection.outlook.com.

dotc-co-jp.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.0, 52.101.124.1, 52.101.124.6 and 5 other.