castage.jp - robtex.com

castage.jp

DNSSEC⚠️ Not signed
A49.212.180.13🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2603.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
MXcastage.jp ⭐
A49.212.180.13🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2603.sakura.ne.jp
TXTv=spf1 a:www2603.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-07-18 #2

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=1785656703

MX for

castage.jp

Same first word

castage.net
castage.jp
castage.com

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DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXcastage.jpA49.212.180.13219.94.128.215
●NSmaster.dns.ne.jp2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 17:10:58
● 2026-08-02 08:47:28
●NSns1.dns.ne.jp2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 17:10:58
● 2026-08-02 08:47:28
●NSns2.dns.ne.jp2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 17:10:58
● 2026-08-02 08:47:28
●MXcastage.jp2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 17:10:58
● 2026-08-02 08:47:28
○A219.94.128.2152015-07-20 → 2020-03-05 · 4 obs
● 2015-07-20 17:10:58
● 2020-03-05 18:13:52
○ 2026-06-29 22:20:18
○ 2026-08-02 08:47:28
●A49.212.180.132026-06-29 → 2026-08-02 · 3 obs
○ 2020-03-05 18:13:52
● 2026-06-29 22:20:18
● 2026-08-02 08:47:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
castage.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 castage.jp (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.13
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1castage.jp (pri: 10)
TXT1v=spf1 a:www2603.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

The MX record for castage.jp points back to castage.jp — it is its own mail server.

IP Addresses

castage.jp directs to one IP number, which is 49.212.180.13.

Among the host names that share IP numbers with castage.jp are pfmr.net, puchimo.com, coding-pro.info and two others.

Name Servers

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

castage.jp has at least partial name server overlap with other domains, such as pvtr.biz, re-tour.net, toyoura.co.jp and two others.

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

The MX record for castage.jp points to a single mail server: castage.jp.

castage.jp carries a single IP number, which is 49.212.180.13.