mail.ostemail.com - robtex.com

mail.ostemail.com

DNSSEC⚠️ Not signed
A5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space

ostemail.com

DNSSEC⚠️ Not signed
A5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space
NSns1.ostemail.com.ostemail.com ⭐
NSns1.firstmail.ltd ⚠️ Not in zone NS records
NSns1.ostemail.com ⚠️ Not in parent delegation
NSns2.firstmail.ltd ⚠️ Not in zone NS records
MXmail.ostemail.com ⭐
TXTv=spf1 ip4:5.252.35.162 -all
SOAns1.ostemail.com.ostemail.comadmin@ostemail.com.ostemail.com 2023-01-11 #2
⚠️ On DNS blocklist: tif

MX for

ostemail.com

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DNS History

1 record (1 active, 0 former)

A5.230.123.239
●A5.230.123.2392026-02-17 → 2026-05-14 · 2 obs
● 2026-02-17 03:12:40
● 2026-05-14 06:55:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...-
ostemail.comns1.firstmail.ltd, ns2.firstmail.ltd-

✅ Authoritative Response

Server:5.252.35.162

NS records: ns1.firstmail.ltd, ns2.firstmail.ltd

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostemail.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

TypeCountSample Data
A15.230.123.239

Analysis

Mail Server Role

mail.ostemail.com functions as a mail server for ostemail.com.

IP Addresses

mail.ostemail.com resolves to one IP number: 5.230.123.239.

other host names including paleopmail.com, bioinstrumenmy.com, caramelisalo.ru, mail.hypocaoli.ru and bientotmail.com share IP numbers with mail.ostemail.com.