hdnet.co.jp - robtex.com

hdnet.co.jp

DNSSEC⚠️ Not signed
A49.212.207.221🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3181.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
MXhdnet.co.jp ⭐
A49.212.207.221🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3181.sakura.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2021-10-04 #18

co.jp

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

MX for

hdnet.co.jp

Same first word

hdnet.ro
hdnet.org
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hdnet.co.jp

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thend.ru
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nethd.us
dhnet.hu
hendt.com
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dhnet.be
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tenhd.co.in
nethd.cn
dhnet.pl

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns.pjnet.comdns.pjnet.jpdns2.placade.comns1.placade.comns2.placade.comtomo.pjnet.ne.jpMXhdnet.co.jpA49.212.207.221147.185.114.219210.190.121.150210.190.121.152
○NSdns.pjnet.com2015-06-18 → 2016-04-28 · 4 obs
● 2015-06-18 09:23:26
● 2016-04-28 17:23:32
○ 2016-12-25 23:43:18
○ 2026-04-14 11:18:40
○NSdns.pjnet.jp2015-06-18 → 2016-04-28 · 4 obs
● 2015-06-18 09:23:26
● 2016-04-28 17:23:32
○ 2016-12-25 23:43:18
○ 2026-04-14 11:18:40
○NSdns2.placade.com2016-12-25 → 2016-12-25 · 4 obs
○ 2016-04-28 17:23:32
● 2016-12-25 23:43:18
○ 2026-04-10 13:57:42
○ 2026-04-14 11:18:40
●NSmaster.dns.ne.jp2026-04-10 → 2026-04-14 · 3 obs
○ 2016-12-25 23:43:18
● 2026-04-10 13:57:42
● 2026-04-14 11:18:40
●NSns1.dns.ne.jp2026-04-10 → 2026-04-14 · 3 obs
○ 2016-12-25 23:43:18
● 2026-04-10 13:57:42
● 2026-04-14 11:18:40
○NSns1.placade.com2016-12-25 → 2016-12-25 · 4 obs
○ 2016-04-28 17:23:32
● 2016-12-25 23:43:18
○ 2026-04-10 13:57:42
○ 2026-04-14 11:18:40
●NSns2.dns.ne.jp2026-04-10 → 2026-04-14 · 3 obs
○ 2016-12-25 23:43:18
● 2026-04-10 13:57:42
● 2026-04-14 11:18:40
○NSns2.placade.com2016-12-25 → 2016-12-25 · 4 obs
○ 2016-04-28 17:23:32
● 2016-12-25 23:43:18
○ 2026-04-10 13:57:42
○ 2026-04-14 11:18:40
○NStomo.pjnet.ne.jp2015-06-18 → 2016-04-28 · 4 obs
● 2015-06-18 09:23:26
● 2016-04-28 17:23:32
○ 2016-12-25 23:43:18
○ 2026-04-14 11:18:40
●MXhdnet.co.jp2015-06-18 → 2026-04-14 · 2 obs
● 2015-06-18 09:23:26
● 2026-04-14 11:18:40
○A147.185.114.2192016-12-25 → 2016-12-25 · 4 obs
○ 2016-04-28 17:23:32
● 2016-12-25 23:43:18
○ 2026-04-10 13:57:42
○ 2026-04-14 11:18:40
○A210.190.121.1502015-11-10 → 2016-04-28 · 5 obs
○ 2015-06-18 09:23:26
● 2015-11-10 14:26:46
● 2016-04-28 17:23:32
○ 2016-12-25 23:43:18
○ 2026-04-14 11:18:40
○A210.190.121.1522015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 09:23:26
○ 2015-11-10 14:26:46
○ 2026-04-14 11:18:40
●A49.212.207.2212026-04-10 → 2026-04-14 · 3 obs
○ 2016-12-25 23:43:18
● 2026-04-10 13:57:42
● 2026-04-14 11:18:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
hdnet.co.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 844ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.221
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1hdnet.co.jp (pri: 10)
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

hdnet.co.jp serves as the mail server for hdnet.co.jp.

IP Addresses

hdnet.co.jp points to a single IP number: 49.212.207.221.

Other host names, for instance rocket.sakura.ne.jp, 417.ne.jp, post2.net, vorze.sakura.ne.jp and keirin-marche.sakura.ne.jp share IP numbers with hdnet.co.jp.

Name Servers

The domain hdnet.co.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

hdnet.co.jp shares name servers with other domains at least partially, for instance wakabaen.org, unifact.sakura.ne.jp, whos-wind.com, xn--pcpc-hm4cc1ed8fe50af.com and k-mr.com.

these name servers are often used together with the name servers dns.sakura.ad.jp.

Host names with a single IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

A single mail server handles hdnet.co.jp and hdnet.co.jp.

Host name hdnet.co.jp resolves to IP 49.212.207.221.