ctt.ir - robtex.com
ctt.ir
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.151.145.36🇮🇷 AT-CLOUD193.151.144.0/22 | ||||||
| PTR | aco.ir | ||||||
| PTR | baazi.ir | ||||||
| NS | ns1.ctt.ir ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.regco.ir ⚠️ Not in zone NS records | ||||||
| A | 193.151.145.36🇮🇷 AT-CLOUD193.151.144.0/22 | ||||||
| PTR | aco.ir | ||||||
| PTR | baazi.ir | ||||||
| NS | ns2.ctt.ir ⚠️ Not in parent delegation | ||||||
| NS | ns2.regco.ir ⚠️ Not in zone NS records | ||||||
| MX | mail.ctt.ir ⭐ | ||||||
| A | 193.151.145.36🇮🇷 AT-CLOUD193.151.144.0/22 | ||||||
| PTR | aco.ir | ||||||
| PTR | baazi.ir | ||||||
| SOA | ns1.ctt.iradmin@ctt.ir 2026-04-28 #1 | ||||||
ir
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.nic.ir ⚠️ Not in zone NS records | ||||||
| NS | b.nic.ir ⚠️ Not in zone NS records | ||||||
| NS | c.nic.ir ⚠️ Not in zone NS records | ||||||
| NS | d.nic.ir ⚠️ Not in zone NS records | ||||||
Previously MX for
ctt.ir |
Same first word
Similar names
DNS History
19 records (6 active, 13 former)
●NSns1.ctt.ir2026-07-26 → 2026-07-31 · 3 obs
● 2026-07-26 02:13:56
● 2026-07-31 01:57:30
○NSns1.domain.com2021-09-29 → 2021-09-29 · 4 obs
● 2021-09-29 21:38:56
○ 2026-06-26 16:20:30
○ 2026-07-31 01:57:30
○NSns1.eways.ir2015-07-21 → 2015-07-21 · 3 obs
○ 2015-11-24 01:49:50
○ 2026-07-31 01:57:30
○NSns1.niazhost.ir2018-07-09 → 2018-08-08 · 5 obs
● 2018-07-09 04:43:10
● 2018-08-08 11:45:20
○ 2021-09-29 21:38:56
○ 2026-07-31 01:57:30
●NSns1.regco.ir2026-06-26 → 2026-07-31 · 3 obs
● 2026-06-26 16:20:30
● 2026-07-31 01:57:30
○NSns1.xir.ir2016-03-03 → 2017-05-08 · 5 obs
● 2016-03-03 18:01:34
● 2017-05-08 16:58:48
○ 2017-05-31 16:47:12
○ 2026-07-31 01:57:30
●NSns2.ctt.ir2026-07-26 → 2026-07-31 · 3 obs
● 2026-07-26 02:13:56
● 2026-07-31 01:57:30
○NSns2.domain.com2021-09-29 → 2021-09-29 · 4 obs
● 2021-09-29 21:38:56
○ 2026-06-26 16:20:30
○ 2026-07-31 01:57:30
○NSns2.eways.ir2015-07-21 → 2015-07-21 · 3 obs
○ 2015-11-24 01:49:50
○ 2026-07-31 01:57:30
○NSns2.niazhost.ir2018-07-09 → 2018-08-08 · 5 obs
● 2018-07-09 04:43:10
● 2018-08-08 11:45:20
○ 2021-09-29 21:38:56
○ 2026-07-31 01:57:30
●NSns2.regco.ir2026-06-26 → 2026-07-31 · 3 obs
● 2026-06-26 16:20:30
● 2026-07-31 01:57:30
○NSns2.xir.ir2016-03-03 → 2017-05-08 · 5 obs
● 2016-03-03 18:01:34
● 2017-05-08 16:58:48
○ 2017-05-31 16:47:12
○ 2026-07-31 01:57:30
○MXctt.ir2018-07-09 → 2018-08-08 · 5 obs
● 2018-07-09 04:43:10
● 2018-08-08 11:45:20
○ 2021-09-29 21:38:56
○ 2026-07-31 01:57:30
●MXmail.ctt.ir2015-07-21 → 2026-07-31 · 10 obs
○ 2015-11-24 01:49:50
● 2016-03-03 18:01:34
● 2017-05-08 16:58:48
○ 2017-05-31 16:47:12
○ 2018-08-08 11:45:20
● 2021-09-29 21:38:56
○ 2026-06-26 16:20:30
● 2026-07-26 02:13:56
● 2026-07-31 01:57:30
●A193.151.145.362026-07-26 → 2026-07-31 · 3 obs
● 2026-07-26 02:13:56
● 2026-07-31 01:57:30
○A37.59.10.1402021-09-29 → 2021-09-29 · 4 obs
● 2021-09-29 21:38:56
○ 2026-06-26 16:20:30
○ 2026-07-31 01:57:30
○A5.61.24.2202016-03-03 → 2017-05-08 · 5 obs
● 2016-03-03 18:01:34
● 2017-05-08 16:58:48
○ 2017-05-31 16:47:12
○ 2026-07-31 01:57:30
○A88.99.107.782018-07-09 → 2018-08-08 · 5 obs
● 2018-07-09 04:43:10
● 2018-08-08 11:45:20
○ 2021-09-29 21:38:56
○ 2026-07-31 01:57:30
○A91.98.96.2292015-07-21 → 2015-07-21 · 3 obs
○ 2015-11-24 01:49:50
○ 2026-07-31 01:57:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ir | a.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir | 8 records |
| ctt.ir | ns2.regco.ir, ns1.regco.ir | 2 records |
✅ Authoritative Response
Server:193.151.145.36
NS records: ns2.regco.ir, ns1.regco.ir
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir
⏱️ Timing
Total: 3777ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.151.145.36 |
| NS | 2 | ns2.ctt.ir, ns1.ctt.ir |
| MX | 1 | mail.ctt.ir (pri: 10) |
| SOA | 1 | ns1.ctt.ir admin.ctt.ir |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.nic.ir, b.nic.ir, c.nic.ir...)
Out-of-bailiwick: 2 (ns1.regco.ir, ns2.regco.ir)
Analysis
IP Addresses
ctt.ir points to a single IP number: 193.151.145.36.
Additional host names — ns1.sevco.ir, ns1.kxf.ir, ns1.asgo.ir and two others — share IP numbers with ctt.ir.
Name Servers
ctt.ir has four authoritative name servers: ns1.ctt.ir, ns2.ctt.ir, ns1.regco.ir and ns2.regco.ir.
ctt.ir partially shares its NS delegation with several other domains, including tgjco.ir, fuladi.ir, reko.ir and two others.
In DNS configurations, these name servers often share authority with ns1.tgjco.ir, ns2.tgjco.ir, ns1.fuladi.ir and 5 other name servers.
Host names pointing to a single IP address:
ns1.regco.ir resolves to 193.151.145.36.
Mail Servers
ctt.ir has one mail server: mail.ctt.ir.
mail.ctt.ir points to one IP number — 193.151.145.36.