mail.atcost.jp - robtex.com

mail.atcost.jp

DNSSEC⚠️ Not signed
A157.120.209.45🇯🇵 GMOOSK-NET157.120.209.0/24 GMO Internet Group, Inc. Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmail1044.onamae.ne.jp

atcost.jp

DNSSEC⚠️ Not signed
A150.95.219.214🇯🇵 GMO-INTERNET150.95.219.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSns-rs1.gmoserver.jp ⭐
NSns-rs2.gmoserver.jp
MXmail1044.onamae.ne.jp ⭐
TXTv=spf1 include:_spf.onamae.ne.jp ~all
SOAns-rs1.gmoserver.jphostmaster@atcost.jp 2021-02-27 #4

Previously MX for

atcost.jp

Same first word

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DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A157.120.209.45121.50.43.208
○A121.50.43.2082017-04-08 → 2017-04-08 · 3 obs
● 2017-04-08 22:06:40
○ 2026-04-03 21:32:22
○ 2026-04-23 17:38:52
●A157.120.209.452026-04-03 → 2026-04-23 · 3 obs
○ 2017-04-08 22:06:40
● 2026-04-03 21:32:22
● 2026-04-23 17:38:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, b.dns.jp, e.dns.jp, a.dns.jp...-
atcost.jpns-rs2.gmoserver.jp, ns-rs1.gmoserver.jp-

✅ Authoritative Response

Server:157.7.33.87

NS records: ns-rs2.gmoserver.jp, ns-rs1.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atcost.jp (unsigned zone)

⏱️ Timing

Total: 1262ms | Queries: -

📄 Records

TypeCountSample Data
A1157.120.209.45

Analysis

IP Addresses

mail.atcost.jp resolves to a single IP: 157.120.209.45.

Other host names, for instance mail.vmedicine.info, mail.milsons-point.com, mail.tantei-wakayama.com, mail.daito-web.com and mail.horaires-contact.com share IP numbers with mail.atcost.jp.