mail.256bit.net - robtex.com

mail.256bit.net

DNSSEC⚠️ Not signed
A133.242.168.21🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww9007uj.sakura.ne.jp

256bit.net

DNSSEC⚠️ Not signed
A133.242.168.21🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
NSns1.tokyodomain.com ⭐
NSns2.tokyodomain.com
MXmail.256bit.net ⭐
SOAns1.tokyodomain.comroot@ns1.tokyodomain.com 2026-01-16 #1

MX for

256bit.net

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A133.242.168.21
●A133.242.168.212015-07-07 → 2026-04-07 · 2 obs
● 2015-07-07 19:08:10
● 2026-04-07 02:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...-
256bit.netns1.tokyodomain.com, ns2.tokyodomain.com-

✅ Authoritative Response

Server:49.212.129.176

NS records: ns1.tokyodomain.com, ns2.tokyodomain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 256bit.net (unsigned zone)

⏱️ Timing

Total: 3591ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.168.21

Analysis

Mail Server Role

mail.256bit.net is the mail server for 256bit.net.

IP Addresses

mail.256bit.net points to a single IP number: 133.242.168.21.

Other host names, for instance www.256bit.net, 256bit.net and www9007uj.sakura.ne.jp share IP numbers with mail.256bit.net.