offtopic.ir - robtex.com
offtopic.ir
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.69.139.225🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC | ||||||
| PTR | h5.hostdl.com | ||||||
| NS | dens3.hostdl.com ⭐ | ||||||
| A | 116.202.54.155🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC | ||||||
| PTR | h4.hostdl.com | ||||||
| NS | dens4.hostdl.com | ||||||
| A | 159.69.139.220🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC | ||||||
| PTR | h5.hostdl.com | ||||||
| MX | offtopic.ir ⭐ | ||||||
| A | 159.69.139.225🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC | ||||||
| PTR | h5.hostdl.com | ||||||
| TXT | v=spf1 +a +mx +ip4:159.69.139.225 ~all | ||||||
| SOA | dens3.hostdl.comhostdl@gmail.com 2025-11-03 #31 | ||||||
ir
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.nic.ir ⭐ | ||||||
| NS | b.nic.ir | ||||||
| NS | c.nic.ir | ||||||
| NS | d.nic.ir | ||||||
| SOA | a.nic.irinfo@nic.ir serial=2604122100 | ||||||
MX for
offtopic.ir |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSdens3.hostdl.com2019-03-17 → 2026-04-12 · 2 obs
● 2026-04-12 17:49:48
●NSdens4.hostdl.com2019-03-17 → 2026-04-12 · 2 obs
● 2026-04-12 17:49:48
●MXofftopic.ir2019-03-17 → 2026-04-12 · 2 obs
● 2026-04-12 17:49:48
●A159.69.139.2252026-04-05 → 2026-04-12 · 3 obs
● 2026-04-05 01:22:00
● 2026-04-12 17:49:48
○A88.99.204.1152019-03-17 → 2019-03-17 · 3 obs
○ 2026-04-05 01:22:00
○ 2026-04-12 17:49:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ir | a.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir | 8 records |
| offtopic.ir | dens4.hostdl.com, dens3.hostdl.com | - |
✅ Authoritative Response
Server:116.202.54.155
NS records: dens4.hostdl.com, dens3.hostdl.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir
⏱️ Timing
Total: 3650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.69.139.225 |
| NS | 2 | dens4.hostdl.com, dens3.hostdl.com |
| MX | 1 | offtopic.ir (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:159.69.139.225 ~all |
| SOA | 1 | dens3.hostdl.com hostdl.gmail.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.ir, a.nic.ir, c.nic.ir...)
Analysis
Mail Server Role
offtopic.ir serves as the mail server for offtopic.ir.
IP Addresses
offtopic.ir resolves to one IP number: 159.69.139.225.
Other host names, for instance ns8.hostdl.com, ns28.hostdl.com, consolecenter.ir, ns20.hostdl.com and rounia.ir share IP numbers with offtopic.ir.
Name Servers
offtopic.ir's delegation uses two name servers: dens3.hostdl.com and dens4.hostdl.com.
offtopic.ir uses the same name server setup as other domains, such as reetm.ir, dartehran.com, pda-planet.com, stepssoft.ir and balyan.ir.
offtopic.ir at least partially shares name servers with other domains, including ninachat.ir, realstar.ir, niot.ir, isirikh.ir and geniusboy.ir.
These name servers are often used with ns33.hostdl.com and ns34.hostdl.com.
Host names with a single IP address: dens3.hostdl.com points to 116.202.54.155; dens4.hostdl.com points to 159.69.139.220.
Mail Servers
offtopic.ir is handled by a single mail server, offtopic.ir.
Host name offtopic.ir resolves to a single IP: 159.69.139.225.