mx.function5.biz - robtex.com

mx.function5.biz

DNSSEC⚠️ Not signed
A153.121.42.107🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRtk2-110-56103.vs.sakura.ne.jp

function5.biz

DNSSEC⚠️ Not signed
A153.121.42.107🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
NS01.dnsv.jp ⭐
NS02.dnsv.jp
NS03.dnsv.jp
NS04.dnsv.jp
MXmx.function5.biz ⭐
TXTgoogle-site-verification=4G12QfXCOz1nNsdEB_fO42_iwDf6wGEOpDkvPTBOUXs
SOA01.dnsv.jphostmaster@dnsv.jp serial=1757056849

MX for

function5.biz

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A153.121.42.107203.183.151.55
●A153.121.42.1072026-03-27 → 2026-05-01 · 3 obs
○ 2016-04-18 09:31:36
● 2026-03-27 09:44:48
● 2026-05-01 01:05:00
○A203.183.151.552015-06-23 → 2016-04-18 · 4 obs
● 2015-06-23 15:35:40
● 2016-04-18 09:31:36
○ 2026-03-27 09:44:48
○ 2026-05-01 01:05:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
biza.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz...-
function5.biz01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for function5.biz (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

TypeCountSample Data
A1153.121.42.107

Analysis

Mail Server Role

mx.function5.biz acts as a mail server for function5.biz.

IP Addresses

mx.function5.biz points to a single IP number: 153.121.42.107.

Other host names, for instance tk2-110-56103.vs.sakura.ne.jp, www.function5.biz and function5.biz share IP numbers with mx.function5.biz.