ophd.co.jp - robtex.com

ophd.co.jp

DNSSEC⚠️ Not signed
A112.78.125.24🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww524b.sakura.ne.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
MXophd-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.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
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTMS=ms69345552
TXTgoogle-site-verification=jBgZnE-7WPDFziB6gW7ONuO2h9hOZmducRIzEFFhy3o
TXTv=spf1 include:spf.protection.outlook.com -all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1770606196

co.jp

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

Same first word

ophd.net
ophd.com
ophd.co.jp

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DNS History

6 records (6 active, 0 former)

20192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXophd-co-jp.mail.protection.outlook.comA112.78.125.24
●NS01.dnsv.jp2018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44
●NS02.dnsv.jp2018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44
●NS03.dnsv.jp2018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44
●NS04.dnsv.jp2018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44
●MXophd-co-jp.mail.protection.outlook.com2018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44
●A112.78.125.242018-06-02 → 2026-08-09 · 2 obs
● 2018-06-02 14:22:56
● 2026-08-09 20:24:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, e.dns.jp, h.dns.jp, d.dns.jp...-
ophd.co.jp04.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp, 03.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 861ms | Queries: -

📄 Records

TypeCountSample Data
A1112.78.125.24
NS401.dnsv.jp, 02.dnsv.jp...
MX1ophd-co-jp.mail.protection.outlook.com (
TXT3MS=ms69345552, google-site-verification=jBgZnE-7WPDFziB...
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

IP Addresses

ophd.co.jp points to a single IP number: 112.78.125.24.

Additional host names — adexrc.jp, www524b.sakura.ne.jp, a-style.me and two others — share IP numbers with ophd.co.jp.

Name Servers

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

ophd.co.jp partially shares its NS delegation with several other domains, including seambill.com, interletras.com, camui.cc and two others.

Host names with two IP numbers:

01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.

Host names pointing to a single IP address:

02.dnsv.jp directs to 157.7.33.53.

Mail Servers

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

ophd-co-jp.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.5, 52.101.124.6, 52.101.157.11 and 5 other.