simhost.ir - dns.ninja

simhost.ir

DNSSEC⚠️ Not signed
A31.7.68.248🇮🇷 ASIATECH31.7.68.0/23
PTRsimhost.ir
NSns1.ydchost.com ⭐ ⚠️ Not in parent delegation
A88.99.20.220🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC
PTRstatic.220.20.99.88.clients.your-server.de
NSns2.ydchost.com ⚠️ Not in parent delegation
A88.99.20.220🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC
PTRstatic.220.20.99.88.clients.your-server.de
NSns5.ydchost.com ⚠️ Not in zone NS records
A31.7.68.248🇮🇷 ASIATECH31.7.68.0/23
PTRsimhost.ir
NSns6.ydchost.com ⚠️ Not in zone NS records
A31.7.68.248🇮🇷 ASIATECH31.7.68.0/23
PTRsimhost.ir
MXsimhost.ir
A31.7.68.248🇮🇷 ASIATECH31.7.68.0/23
PTRsimhost.ir
TXTv=spf1 ip4:31.7.68.248 +a +mx +ip4:31.7.68.245 ~all
SOAns1.ydchost.comroot@s2.ydchost.com 2026-06-08 #3

ir

DNSSEC⚠️ Not signed
NSa.nic.ir
NSb.nic.ir
NSc.nic.ir
NSd.nic.ir
SOAa.nic.irinfo@nic.ir serial=2607151200

PTR for

MX for

Previously MX for

Same first word

Similar names

DNS History

9 records (6 active, 3 former)

20192020202120222023202420252026NSns1.ydchost.comns2.ydchost.comns5.ydchost.comns6.ydchost.comMXsimhost.irmail.simhost.irmail2.simhost.irA31.7.68.24888.99.20.220
NSns1.ydchost.com2018-05-10 → 2026-07-15 · 5 obs
● 2018-05-10 07:01:48
○ 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
● 2018-05-10 07:01:48
○ 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
○ 2018-05-10 07:01:48
● 2026-03-16 03:39:32
● 2026-07-15 09:09:20
NSns6.ydchost.com2026-03-16 → 2026-07-15 · 3 obs
○ 2018-05-10 07:01:48
● 2026-03-16 03:39:32
● 2026-07-15 09:09:20
MXmail.simhost.ir2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 07:01:48
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20
MXmail2.simhost.ir2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 07:01:48
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20
MXsimhost.ir2026-07-13 → 2026-07-15 · 4 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
A31.7.68.2482026-07-13 → 2026-07-15 · 4 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
A88.99.20.2202018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 07:01:48
○ 2026-03-16 03:39:32
○ 2026-07-15 09:09:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ira.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir8 records
simhost.irns6.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

TypeCountSample Data
A131.7.68.248
NS2ns1.ydchost.com, ns2.ydchost.com
MX1simhost.ir (pri: 0)
TXT1v=spf1 ip4:31.7.68.248 +a +mx +ip4:31.7.
SOA1ns1.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.