mail.jck.net - robtex.com

mail.jck.net

DNSSEC⚠️ Not signed
A133.167.75.155🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRrook03.yukio.ne.jp

jck.net

DNSSEC⚠️ Not signed
A133.167.75.155🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
NSns2.yukio.ne.jp
NSrook03.yukio.ne.jp
WOT: SAFE (61/100)

Previously MX for

jck.net

Same first word

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DNS History

1 record (1 active, 0 former)

A133.167.75.155
●A133.167.75.1552026-05-09 → 2026-05-11 · 4 obs
● 2026-05-09 02:10:52
○ 2026-05-09 19:21:30
○ 2026-05-11 03:53:00
● 2026-05-11 22:26:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
jck.netrook03.yukio.ne.jp, ns2.yukio.ne.jp-

✅ Authoritative Response

Server:194.233.68.222

NS records: rook03.yukio.ne.jp, ns2.yukio.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jck.net (unsigned zone)

⏱️ Timing

Total: 1237ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

IP Addresses

mail.jck.net resolves to a single IP: 133.167.75.155.

Other host names, for instance tedukuri-kobo.com, k-and-t.co.jp, mail.tani-seimitsu.co.jp, mail.enprint.jp and sea-field.co.jp share IP numbers with mail.jck.net.