rubyinter.co.jp - dns.ninja

rubyinter.co.jp

DNSSEC⚠️ Not signed
A49.212.207.37🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3027.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
MXrubyinter.co.jp ⭐
A49.212.207.37🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3027.sakura.ne.jp
TXTv=spf1 a:www3027.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-04-08 #1

co.jp

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

MX for

rubyinter.co.jp

Same first word

rubyinter.co.jp

DNS History

9 records (5 active, 4 former)

202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpuns01.lolipop.jpuns02.lolipop.jpMXrubyinter.co.jpmx01.lolipop.jpA49.212.207.37157.7.107.41
●NSmaster.dns.ne.jp2026-02-14 → 2026-08-05 · 3 obs
○ 2020-04-05 12:55:04
● 2026-02-14 22:50:08
● 2026-08-05 14:49:52
●NSns1.dns.ne.jp2026-02-14 → 2026-08-05 · 3 obs
○ 2020-04-05 12:55:04
● 2026-02-14 22:50:08
● 2026-08-05 14:49:52
●NSns2.dns.ne.jp2026-02-14 → 2026-08-05 · 3 obs
○ 2020-04-05 12:55:04
● 2026-02-14 22:50:08
● 2026-08-05 14:49:52
○NSuns01.lolipop.jp2020-04-05 → 2020-04-05 · 3 obs
● 2020-04-05 12:55:04
○ 2026-02-14 22:50:08
○ 2026-08-05 14:49:52
○NSuns02.lolipop.jp2020-04-05 → 2020-04-05 · 3 obs
● 2020-04-05 12:55:04
○ 2026-02-14 22:50:08
○ 2026-08-05 14:49:52
○MXmx01.lolipop.jp2020-04-05 → 2020-04-05 · 3 obs
● 2020-04-05 12:55:04
○ 2026-02-14 22:50:08
○ 2026-08-05 14:49:52
●MXrubyinter.co.jp2026-02-14 → 2026-08-05 · 3 obs
○ 2020-04-05 12:55:04
● 2026-02-14 22:50:08
● 2026-08-05 14:49:52
○A157.7.107.412020-04-05 → 2020-04-05 · 3 obs
● 2020-04-05 12:55:04
○ 2026-02-14 22:50:08
○ 2026-08-05 14:49:52
●A49.212.207.372026-02-14 → 2026-08-05 · 3 obs
○ 2020-04-05 12:55:04
● 2026-02-14 22:50:08
● 2026-08-05 14:49:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
rubyinter.co.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.37
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1rubyinter.co.jp (pri: 10)
TXT1v=spf1 a:www3027.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

rubyinter.co.jp handles its own mail, functioning as its own mail server.

IP Addresses

rubyinter.co.jp resolves to just one IP address, 49.212.207.37.

Two other host names, along with search-japan.com, www.euro-vision.co.jp and kentours.co.jp, also share IP numbers with rubyinter.co.jp.

Name Servers

rubyinter.co.jp carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

There is at least partial name server overlap between rubyinter.co.jp and other domains — cycleshop1.com, kikusui-jp.com, jo-sho.jp and two more among them.

These name servers are routinely deployed together 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

rubyinter.co.jp is served by just one mail server: rubyinter.co.jp.

rubyinter.co.jp carries a single IP number, which is 49.212.207.37.