1mb.jp - robtex.com

1mb.jp

DNSSEC⚠️ Not signed
A49.212.180.105🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2695.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
MX1mb.jp ⭐
A49.212.180.105🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2695.sakura.ne.jp
TXTv=spf1 a:www2695.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-03-17 #1

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=1785460503

MX for

1mb.jp

Same first word

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1mb.us
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1mb.support
1mb.site
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1mb.lol
1mb.dev

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DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMX1mb.jpA49.212.180.105
●NSmaster.dns.ne.jp2015-07-21 → 2026-07-31 · 2 obs
● 2015-07-21 13:42:02
● 2026-07-31 02:10:08
●NSns1.dns.ne.jp2015-07-21 → 2026-07-31 · 2 obs
● 2015-07-21 13:42:02
● 2026-07-31 02:10:08
●NSns2.dns.ne.jp2015-07-21 → 2026-07-31 · 2 obs
● 2015-07-21 13:42:02
● 2026-07-31 02:10:08
●MX1mb.jp2015-07-21 → 2026-07-31 · 2 obs
● 2015-07-21 13:42:02
● 2026-07-31 02:10:08
●A49.212.180.1052015-07-21 → 2026-07-31 · 2 obs
● 2015-07-21 13:42:02
● 2026-07-31 02:10:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, g.dns.jp, f.dns.jp, c.dns.jp...-
1mb.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1mb.jp (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.105
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX11mb.jp (pri: 10)
TXT1v=spf1 a:www2695.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

1mb.jp acts as its own mail server.

IP Addresses

1mb.jp points to a single IP number: 49.212.180.105.

Additional host names — bmgolite.com, itp-jp.net, ss-kougyou.co.jp and two others — share IP numbers with 1mb.jp.

Name Servers

1mb.jp carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

1mb.jp partially shares its NS delegation with several other domains, including mukaking.net, enspire.jp, labyrinth.lostgamer.net and two others.

These name servers often co-occur with the name servers dns.sakura.ad.jp.

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 — each hostname maps to exactly one IP address.

Mail Servers

1mb.jp has a single mail server: 1mb.jp itself.

1mb.jp carries a single IP number, which is 49.212.180.105.