simhost.ir - dns.ninja
simhost.ir
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.7.68.248🇮🇷 ASIATECH31.7.68.0/23 | ||||||
| PTR | simhost.ir | ||||||
| NS | ns1.ydchost.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 88.99.20.220🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | static.220.20.99.88.clients.your-server.de | ||||||
| NS | ns2.ydchost.com ⚠️ Not in parent delegation | ||||||
| A | 88.99.20.220🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | static.220.20.99.88.clients.your-server.de | ||||||
| NS | ns5.ydchost.com ⚠️ Not in zone NS records | ||||||
| A | 31.7.68.248🇮🇷 ASIATECH31.7.68.0/23 | ||||||
| PTR | simhost.ir | ||||||
| NS | ns6.ydchost.com ⚠️ Not in zone NS records | ||||||
| A | 31.7.68.248🇮🇷 ASIATECH31.7.68.0/23 | ||||||
| PTR | simhost.ir | ||||||
| MX | simhost.ir ⭐ | ||||||
| A | 31.7.68.248🇮🇷 ASIATECH31.7.68.0/23 | ||||||
| PTR | simhost.ir | ||||||
| TXT | v=spf1 ip4:31.7.68.248 +a +mx +ip4:31.7.68.245 ~all | ||||||
| SOA | ns1.ydchost.comroot@s2.ydchost.com 2026-06-08 #3 | ||||||
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=2607151200 | ||||||
PTR for
MX for
simhost.ir |
Previously MX for
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSns1.ydchost.com2018-05-10 → 2026-07-15 · 5 obs
○ 2026-03-16 03:39:32
○ 2026-04-03 08:39:00
● 2026-07-13 20:01:36
● 2026-07-15 09:09:20
●NSns2.ydchost.com2018-05-10 → 2026-07-15 · 5 obs
○ 2026-03-16 03:39:32
○ 2026-04-03 08:39:00
● 2026-07-13 20:01:36
● 2026-07-15 09:09:20
●NSns5.ydchost.com2026-03-16 → 2026-07-15 · 3 obs
● 2026-03-16 03:39:32
● 2026-07-15 09:09:20
●NSns6.ydchost.com2026-03-16 → 2026-07-15 · 3 obs
● 2026-03-16 03:39:32
● 2026-07-15 09:09:20
○MXmail.simhost.ir2018-05-10 → 2018-05-10 · 3 obs
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20
○MXmail2.simhost.ir2018-05-10 → 2018-05-10 · 3 obs
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20
●MXsimhost.ir2026-07-13 → 2026-07-15 · 4 obs
○ 2026-04-03 08:39:00
● 2026-07-13 20:01:36
● 2026-07-15 09:09:20
●A31.7.68.2482026-07-13 → 2026-07-15 · 4 obs
○ 2026-04-03 08:39:00
● 2026-07-13 20:01:36
● 2026-07-15 09:09:20
○A88.99.20.2202018-05-10 → 2018-05-10 · 3 obs
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ir | a.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir | 8 records |
| simhost.ir | ns6.ydchost.com, ns5.ydchost.com | - |
✅ Authoritative Response
Server:31.7.68.248
NS records: ns6.ydchost.com, ns5.ydchost.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir
⏱️ Timing
Total: 3973ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.7.68.248 |
| NS | 2 | ns1.ydchost.com, ns2.ydchost.com |
| MX | 1 | simhost.ir (pri: 0) |
| TXT | 1 | v=spf1 ip4:31.7.68.248 +a +mx +ip4:31.7. |
| SOA | 1 | ns1.ydchost.com root.s2.ydchost.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.ir, a.nic.ir, c.nic.ir...)
Analysis
Mail Server Role
The MX record for simhost.ir points back to simhost.ir — it is its own mail server.
IP Addresses
simhost.ir directs to one IP number, which is 31.7.68.248.
Among the host names that share IP numbers with simhost.ir are ns22.ydchost.com, gfxstock.ir, ns23.ydchost.com and two others.
Name Servers
The domain simhost.ir is delegated to these four name servers: ns1.ydchost.com, ns2.ydchost.com, ns5.ydchost.com and ns6.ydchost.com.
simhost.ir shares at least some of its name servers with other domains, such as jcal.ir.
Each of ns1.ydchost.com, ns2.ydchost.com, ns5.ydchost.com and ns6.ydchost.com has a single IP address — ns1.ydchost.com and ns2.ydchost.com direct to 88.99.20.220, and ns5.ydchost.com and ns6.ydchost.com direct to 31.7.68.248.
ns1.ydchost.com and ns2.ydchost.com are host names that each point to 88.99.20.220 IP addresses.
ns5.ydchost.com and ns6.ydchost.com are host names that each point to 31.7.68.248 IP addresses.
Mail Servers
The MX record for simhost.ir points to a single mail server: simhost.ir.
simhost.ir resolves to a single IP number: 31.7.68.248.