mail.topstem.org - robtex.com

mail.topstem.org

DNSSEC⚠️ Not signed
A91.144.188.135🇷🇺 ERTH-KAZAN-AS91.144.188.0/24 CJSC "ER-Telecom Holding" Kazan' branch Kazan', Russia
PTRmail.gl-era.com
PTRmail.topstem.org

topstem.org

DNSSEC⚠️ Not signed
A95.217.152.234🇫🇮 Hetzner95.217.0.0/16 HETZNER-DC
NSns1.reg.ru ⭐
NSns2.reg.ru
MXmail.topstem.org ⭐
TXTv=spf1 a mx ip4:91.144.188.135 ~all
TXTgoogle-site-verification=Crvi4heZ-1w-P7T7dnkX5pastJ4BeF4nouaOuw93UPY
SOAns1.reg.ruhostmaster@ns1.reg.ru serial=1766746706

PTR for

135.188.144.91.in-addr.arpa

MX for

topstem.org

Same first word

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DNS History

1 record (1 active, 0 former)

A91.144.188.135
●A91.144.188.1352026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 09:25:40
● 2026-04-15 03:36:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
topstem.orgns1.reg.ru, ns2.reg.ru-

✅ Authoritative Response

Server:176.99.13.11

NS records: ns1.reg.ru, ns2.reg.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topstem.org (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

TypeCountSample Data
A191.144.188.135

Analysis

Mail Server Role

mail.topstem.org handles mail for topstem.org.

IP Addresses

mail.topstem.org points to a single IP address: 91.144.188.135.

Other host names, for instance mail.gl-era.com, share IP numbers with mail.topstem.org.