sdtonline.ir - robtex.com

sdtonline.ir

DNSSEC⚠️ Not signed
NSi.ns.arvancdn.ir ⭐
A185.143.232.253🇮🇷 ARVANCLOUD-CDN-IR185.143.232.0/24
NSv.ns.arvancdn.ir
A185.143.235.253🇮🇷 ARVANCLOUD-CDN-IR185.143.235.0/24
SOAi.ns.arvancdn.irhostmaster@arvancloud.ir serial=1768939426

ir

DNSSEC⚠️ Not signed
NSa.nic.ir ⭐
NSb.nic.ir
NSc.nic.ir
NSd.nic.ir
SOAa.nic.irinfo@nic.ir serial=2603260715

Same first word

sdtonline.ir
sdtonline.com
sdtonline.net

Similar names

dstonline.org
tdonlines.com
dstonline.ca
tdsonline.com
tsdonline.nl
dtsonline.nl
onlinedts.com
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dtsonline.de
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onlinedst.gov.in
dtsonline.com
edsonintl.com
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silentdon.ru
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onlinedst.com
stdonline.com
stdonline.ru
dstonline.com

DNS History

6 records (2 active, 4 former)

2020202120222023202420252026NSi.ns.arvancdn.irv.ns.arvancdn.irns1.centos-webpanel.comns2.centos-webpanel.comMXmail.sdtonline.irA46.209.117.150
●NSi.ns.arvancdn.ir2026-03-24 → 2026-03-26 · 3 obs
○ 2019-12-24 13:56:52
● 2026-03-24 01:27:34
● 2026-03-26 04:28:40
○NSns1.centos-webpanel.com2019-12-24 → 2019-12-24 · 3 obs
● 2019-12-24 13:56:52
○ 2026-03-24 01:27:34
○ 2026-03-26 04:28:40
○NSns2.centos-webpanel.com2019-12-24 → 2019-12-24 · 3 obs
● 2019-12-24 13:56:52
○ 2026-03-24 01:27:34
○ 2026-03-26 04:28:40
●NSv.ns.arvancdn.ir2026-03-24 → 2026-03-26 · 3 obs
○ 2019-12-24 13:56:52
● 2026-03-24 01:27:34
● 2026-03-26 04:28:40
○MXmail.sdtonline.ir2019-12-24 → 2019-12-24 · 3 obs
● 2019-12-24 13:56:52
○ 2026-03-24 01:27:34
○ 2026-03-26 04:28:40
○A46.209.117.1502019-12-24 → 2019-12-24 · 3 obs
● 2019-12-24 13:56:52
○ 2026-03-24 01:27:34
○ 2026-03-26 04:28:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ira.nic.ir, b.nic.ir, c.nic.ir, d.nic.ir-
sdtonline.irv.ns.arvancdn.ir, i.ns.arvancdn.ir-

✅ Authoritative Response

Server:185.143.235.253

NS records: v.ns.arvancdn.ir, i.ns.arvancdn.ir

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir

⏱️ Timing

Total: 3974ms | Queries: -

📄 Records

TypeCountSample Data
NS2v.ns.arvancdn.ir, i.ns.arvancdn.ir
SOA1i.ns.arvancdn.ir hostmaster.arvancloud.i

Analysis

Name Servers

sdtonline.ir's delegation uses two name servers: i.ns.arvancdn.ir and v.ns.arvancdn.ir.

sdtonline.ir uses the same name server setup as other domains, such as facegram.org, tmd.ir, irexpert.ir, divan-edalat.ir and artarayaneh.ir.

sdtonline.ir at least partially shares name servers with other domains, including omdbox.com, serverfars.ir, zabansara.org, edubridge.ir and atighgasht.com.

These name servers are commonly used with r.ns.arvancdn.ir, u.ns.arvancdn.ir, c.ns.arvancdn.ir, h.ns.arvancdn.ir, l.ns.arvancdn.ir, z.ns.arvancdn.ir, m.ns.arvancdn.ir, o.ns.arvancdn.ir, n.ns.arvancdn.ir and a.ns.arvancdn.ir.

Host names with a single IP address: i.ns.arvancdn.ir points to 185.143.232.253; v.ns.arvancdn.ir points to 185.143.235.253.