web1.psn.jp - robtex.com

web1.psn.jp

DNSSEC⚠️ Not signed
A153.121.53.73🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRweb1.psn.jp
MXweb1.psn.jp ⭐
A153.121.53.73🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRweb1.psn.jp
TXTv=spf1 +ip4:153.121.53.73 ~all

psn.jp

DNSSEC⚠️ Not signed
A49.212.171.207🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSns2.psn.jp ⭐
NSns.psn.jp
MXmail.psn.ne.jp ⭐
TXTv=spf1 +ip4:153.121.55.154 ~all
SOAns.psn.jppostmaster@psn.jp 2026-02-05 #1

PTR for

73.53.121.153.in-addr.arpa

MX for

web1.psn.jp

Same first word

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Similar names

1web.fr
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1web.jp
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1web.co.jp
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DNS History

2 records (2 active, 0 former)

MXweb1.psn.jpA153.121.53.73
●MXweb1.psn.jp2026-03-11 → 2026-04-15 · 2 obs
● 2026-03-11 21:46:00
● 2026-04-15 00:39:18
●A153.121.53.732026-03-11 → 2026-04-15 · 2 obs
● 2026-03-11 21:46:00
● 2026-04-15 00:39:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
psn.jpns.psn.jp, ns2.psn.jp2 records

✅ Authoritative Response

Server:153.121.42.80

NS records: ns.psn.jp, ns2.psn.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for psn.jp (unsigned zone)

⏱️ Timing

Total: 866ms | Queries: -

📄 Records

TypeCountSample Data
A1153.121.53.73
MX1web1.psn.jp (pri: 10)
TXT1v=spf1 +ip4:153.121.53.73 ~all

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.psn.jp, ns2.psn.jp)

Analysis

Mail Server Role

web1.psn.jp serves as the mail server for web1.psn.jp.

IP Addresses

web1.psn.jp points to an IP address: 153.121.53.73.

other host names, for instance labo.com, www8299uo.sakura.ne.jp, www.psn.co.jp and psn.co.jp share IP numbers with web1.psn.jp.

Mail Servers

web1.psn.jp is handled by a single mail server.

The host name web1.psn.jp points to IP 153.121.53.73.