mail.rsbbc.com - robtex.com

mail.rsbbc.com

DNSSEC⚠️ Not signed
A18.180.13.163🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix
PTRec2-18-180-13-163.ap-northeast-1.compute.amazonaws.com

rsbbc.com

DNSSEC⚠️ Not signed
A18.180.13.163🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix
NSns-750.awsdns-29.net ⭐
NSns-1126.awsdns-12.org
NSns-1676.awsdns-17.co.uk
NSns-355.awsdns-44.com
MXmail.rsbbc.com ⭐
TXTv=spf1 a:www459b.sakura.ne.jp mx ~all
TXTv=spf1 ip4:18.180.13.163 ~all
SOAns-750.awsdns-29.netawsdns-hostmaster@amazon.com serial=1

MX for

rsbbc.com

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DNS History

8 records (1 active, 7 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXrsbbc.comA18.180.13.16318.178.220.163219.94.155.249CNAMErsbbc.com
○NSmaster.dns.ne.jp2015-10-31 → 2016-04-13 · 4 obs
● 2015-10-31 10:34:04
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
○NSns1.dns.ne.jp2015-10-31 → 2016-04-13 · 4 obs
● 2015-10-31 10:34:04
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
○NSns2.dns.ne.jp2015-10-31 → 2016-04-13 · 4 obs
● 2015-10-31 10:34:04
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
○MXrsbbc.com2015-10-31 → 2016-04-13 · 4 obs
● 2015-10-31 10:34:04
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
○A18.178.220.1632026-03-09 → 2026-03-25 · 2 obs
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
●A18.180.13.1632026-03-09 → 2026-03-25 · 3 obs
○ 2016-04-13 21:05:58
● 2026-03-09 06:23:38
● 2026-03-25 21:29:18
○A219.94.155.2492015-06-11 → 2016-04-13 · 4 obs
● 2015-06-11 02:47:52
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18
○CNAMErsbbc.com2015-06-11 → 2016-04-13 · 4 obs
● 2015-06-11 02:47:52
● 2016-04-13 21:05:58
○ 2026-03-09 06:23:38
○ 2026-03-25 21:29:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
rsbbc.comns-750.awsdns-29.net, ns-355.awsdns-44.com, ns-1676.awsdns-17.co.uk, ns-1126.awsdns-12.org1 record

✅ Authoritative Response

Server:205.251.198.140

NS records: ns-750.awsdns-29.net, ns-355.awsdns-44.com, ns-1676.awsdns-17.co.uk, ns-1126.awsdns-12.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsbbc.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

TypeCountSample Data
A118.180.13.163

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-355.awsdns-44.com)

Analysis

Mail Server Role

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

IP Addresses

mail.rsbbc.com resolves to a single IP address: 18.180.13.163.

Other host names including mail.osaka-hikari.com, mail.muumarju.com, tsuda-densen.co.jp, mail.daitou-sash.com and osaka-hikari.com share IP numbers with mail.rsbbc.com.