mail.db550909.com - robtex.com

mail.db550909.com

DNSSEC⚠️ Not signed
A211.133.240.158🇯🇵 IDC211.133.240.0/21 Frontier Inc.

db550909.com

DNSSEC⚠️ Not signed
A203.137.93.213🇯🇵 IDC203.137.80.0/20 Frontier Inc.
NS01.dnsv.jp ⭐
NS02.dnsv.jp
NS03.dnsv.jp
NS04.dnsv.jp
MXmail.db550909.com ⭐
TXTgoogle-site-verification=q7jsTVXzaYojGTaqPsYZ22S3DMWykF1l1NPbLQajrHg
TXTv=spf1 +ip4:211.133.240.158 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1740237259
📈 Tranco rank: #783,878

MX for

db550909.com

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DNS History

1 record (1 active, 0 former)

A211.133.240.158
●A211.133.240.1582026-04-05 → 2026-04-11 · 2 obs
● 2026-04-05 14:31:56
● 2026-04-11 20:15:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
db550909.com01.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 db550909.com (unsigned zone)

⏱️ Timing

Total: 1131ms | Queries: -

📄 Records

TypeCountSample Data
A1211.133.240.158

Analysis

Mail Server Role

mail.db550909.com serves as the mail server for db550909.com.

IP Addresses

mail.db550909.com points to IP number 211.133.240.158.

For instance, other host names mail.rs2003-sp.visual-w.co.jp, mail.nisso.net, mail.kurumu-salon.com, mail.meiwa-logistics.com and mail.ns-dental.com share IP numbers with mail.db550909.com.