itdou.jp - robtex.com

itdou.jp

DNSSEC⚠️ Not signed
A59.106.13.7🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww377.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
MXitdou.jp ⭐
A59.106.13.7🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww377.sakura.ne.jp
TXTv=spf1 a:www377.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2022-05-19 #23

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=1773558003

MX for

itdou.jp

Same first word

itdou.com
itdou.jp

Similar names

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DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXitdou.jpA59.106.13.7
●NSmaster.dns.ne.jp2026-03-08 → 2026-03-19 · 2 obs
● 2026-03-08 00:24:54
● 2026-03-19 11:07:48
●NSns1.dns.ne.jp2026-03-08 → 2026-03-19 · 2 obs
● 2026-03-08 00:24:54
● 2026-03-19 11:07:48
●NSns2.dns.ne.jp2026-03-08 → 2026-03-19 · 2 obs
● 2026-03-08 00:24:54
● 2026-03-19 11:07:48
●MXitdou.jp2026-03-08 → 2026-03-19 · 2 obs
● 2026-03-08 00:24:54
● 2026-03-19 11:07:48
●A59.106.13.72026-03-08 → 2026-03-19 · 2 obs
● 2026-03-08 00:24:54
● 2026-03-19 11:07:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
itdou.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server: 133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itdou.jp (unsigned zone)

⏱️ Timing

Total: 1080ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.13.7
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1itdou.jp (pri: 10)
TXT1v=spf1 a:www377.sakura.ne.jp mx ~all
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

itdou.jp is the mail server for itdou.jp.

IP Addresses

itdou.jp resolves to a single IP: 59.106.13.7.

Other host names, for instance nea.jp, shiba-inu.sakura.ne.jp, unkai.org, solger.sakura.ne.jp and a-sa-hi-ruban.com share IP numbers with itdou.jp.

Name Servers

itdou.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

itdou.jp shares some name servers with other domains, for example yuuan.sakura.ne.jp, ashrine.net, apps-g.com, noumaru.jp and iwasa-yoshihiro.com.

Host names with a single IP: 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

One mail server handles itdou.jp.

Host name itdou.jp points to IP 59.106.13.7.