teach.ir - robtex.com
teach.ir
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.da.cloudns.io ⚠️ Not in zone NS records | ||||||
| A | 75.2.86.204 | ||||||
| NS | ns2.da.cloudns.io ⚠️ Not in zone NS records | ||||||
| A | 166.117.220.151 | ||||||
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
teach.ir |
Same first word
Similar names
DNS History
9 records (2 active, 7 former)
●NSns1.da.cloudns.io2026-06-12 → 2026-06-16 · 3 obs
● 2026-06-12 01:04:50
● 2026-06-16 16:51:34
○NSns1.farazhost.com2015-08-25 → 2015-08-25 · 3 obs
○ 2015-12-22 18:21:46
○ 2026-06-16 16:51:34
○NSns1.lohrayane.com2015-12-22 → 2016-11-28 · 5 obs
● 2015-12-22 18:21:46
● 2016-11-28 22:41:42
○ 2026-06-12 01:04:50
○ 2026-06-16 16:51:34
●NSns2.da.cloudns.io2026-06-12 → 2026-06-16 · 3 obs
● 2026-06-12 01:04:50
● 2026-06-16 16:51:34
○NSns2.farazhost.com2015-08-25 → 2015-08-25 · 3 obs
○ 2015-12-22 18:21:46
○ 2026-06-16 16:51:34
○NSns2.lohrayane.com2015-12-22 → 2016-11-28 · 5 obs
● 2015-12-22 18:21:46
● 2016-11-28 22:41:42
○ 2026-06-12 01:04:50
○ 2026-06-16 16:51:34
○MXteach.ir2015-08-25 → 2016-11-28 · 4 obs
● 2016-11-28 22:41:42
○ 2026-06-12 01:04:50
○ 2026-06-16 16:51:34
○A198.13.117.2052015-08-25 → 2015-08-25 · 3 obs
○ 2015-12-22 18:21:46
○ 2026-06-16 16:51:34
○A216.246.0.1082015-12-22 → 2016-11-28 · 5 obs
● 2015-12-22 18:21:46
● 2016-11-28 22:41:42
○ 2026-06-12 01:04:50
○ 2026-06-16 16:51:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ir | d.nic.ir, b.nic.ir, a.nic.ir, c.nic.ir | 8 records |
| teach.ir | ns2.da.cloudns.io, ns1.da.cloudns.io | - |
✅ Authoritative Response
Server:75.2.86.204
NS records: ns2.da.cloudns.io, ns1.da.cloudns.io
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir
⏱️ Timing
Total: 3854ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.ir, b.nic.ir, c.nic.ir...)
Analysis
Name Servers
teach.ir has two authoritative name servers — ns1.da.cloudns.io and ns2.da.cloudns.io.
teach.ir shares its name server setup with other domains, including mica.gov.mg, rapide-app.com, pullandpush.co.za and two others.
teach.ir at least partially shares name servers with other domains, for instance gy.se, m25.com, dichloroaniline.com and two other.
These name servers are often used together with the name servers ns1.cloudns.io, ns2.cloudns.io, ns1.da.hostns.io and ns2.da.hostns.io.
ns1.da.cloudns.io → 75.2.86.204 and ns2.da.cloudns.io → 166.117.220.151: one IP number per host name.