teachcode.app - robtex.com
teachcode.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.12.97.102🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| NS | ns1-06.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::6🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-06.azure-dns.com | ||||||
| A | 13.107.236.6🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-06.azure-dns.com | ||||||
| NS | ns2-06.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::6🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-06.azure-dns.net | ||||||
| A | 150.171.21.6🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-06.azure-dns.net | ||||||
| NS | ns3-06.azure-dns.org | ||||||
| A | 2a01:111:4000:700::6🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-06.azure-dns.org | ||||||
| A | 204.14.183.6🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-06.azure-dns.org | ||||||
| NS | ns4-06.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::6🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-06.azure-dns.info | ||||||
| A | 208.84.5.6🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-06.azure-dns.info | ||||||
| TXT | _ghq9k0vkfwcn5j6z3vvjr5y5q0cumwa | ||||||
| TXT | MS=ms41371504 | ||||||
| SOA | ns1-06.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
teachcode.space |
teachcode.org |
teachcode.xyz |
teachcode.app |
teachcode.tv |
teachcode.cn |
teachcode.net |
teachcode.com |
Similar names
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●NSns1-06.azure-dns.com2026-09-25 → 2026-10-09 · 2 obs
● 2026-10-09 15:25:46
●NSns2-06.azure-dns.net2026-09-25 → 2026-10-09 · 2 obs
● 2026-10-09 15:25:46
●NSns3-06.azure-dns.org2026-09-25 → 2026-10-09 · 2 obs
● 2026-10-09 15:25:46
●NSns4-06.azure-dns.info2026-09-25 → 2026-10-09 · 2 obs
● 2026-10-09 15:25:46
●A20.12.97.1022026-10-09 → 2026-10-09 · 3 obs
● 2026-10-09 15:25:44
● 2026-10-09 15:25:46
○A20.4.244.2232026-09-25 → 2026-09-25 · 3 obs
○ 2026-10-09 15:25:44
○ 2026-10-09 15:25:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| teachcode.app | ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info | - |
✅ Authoritative Response
Server:13.107.236.6
NS records: ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachcode.app (unsigned zone)
⏱️ Timing
Total: 884ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.22.31.128 |
| NS | 4 | ns1-06.azure-dns.com, ns2-06.azure-dns.net... |
| TXT | 2 | _ghq9k0vkfwcn5j6z3vvjr5y5q0cumwa, MS=ms41371504 |
| SOA | 1 | ns1-06.azure-dns.com azuredns-hostmaster |
Analysis
IP Addresses
teachcode.app points to a single IP number: 20.12.97.102.
Additional host names — chatrel.net, perdomopro.com, swingtowin.com and two others — share IP numbers with teachcode.app.
Name Servers
teachcode.app has four authoritative name servers: ns1-06.azure-dns.com, ns4-06.azure-dns.info, ns2-06.azure-dns.net and ns3-06.azure-dns.org.
The name servers of teachcode.app overlap at least partially with those of other domains — among them 14.253.131.in-addr.arpa, cfs-fcee.com, poweredbymovisie.nl and two more.
Each of the four hosts ns1-06.azure-dns.com, ns4-06.azure-dns.info, ns2-06.azure-dns.net and ns3-06.azure-dns.org has two IP addresses. ns1-06.azure-dns.com points to 13.107.236.6 and 2603:1061:0:700::6. ns4-06.azure-dns.info points to 208.84.5.6 and 2620:1ec:bda:700::6. ns2-06.azure-dns.net points to 150.171.21.6 and 2620:1ec:8ec:700::6. ns3-06.azure-dns.org points to 204.14.183.6 and 2a01:111:4000:700::6.