mx004.u-core.net - robtex.com

mx004.u-core.net

DNSSEC⚠️ Not signed

u-core.net

DNSSEC⚠️ Not signed

Previously MX for

radiomorioka.com
ryogendo.com
sekku.net
hoiken-ouji.com
act-j.com
jfcy.co.jp
dual-ya.com
venus5.com
cosanostra.co.jp

Similar names

400mx.cn
mx400.com
xm400.com

DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A202.191.115.160
○A202.191.115.1602015-07-01 → 2026-02-17 · 3 obs
● 2015-07-01 08:01:24
● 2026-02-17 04:30:54
○ 2026-04-15 18:09:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netj.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...-

✅ Authoritative Response

Server:192.5.6.30

NS records: j.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 89ms | Queries: -

📄 Records

TypeCountSample Data