teachcode.net - dns.ninja
teachcode.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.22.31.128🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| NS | ns1-02.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::2🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-02.azure-dns.com | ||||||
| A | 13.107.236.2🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-02.azure-dns.com | ||||||
| NS | ns2-02.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-02.azure-dns.net | ||||||
| A | 150.171.21.2🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-02.azure-dns.net | ||||||
| NS | ns3-02.azure-dns.org | ||||||
| A | 2a01:111:4000:700::2🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-02.azure-dns.org | ||||||
| A | 204.14.183.2🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-02.azure-dns.org | ||||||
| NS | ns4-02.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-02.azure-dns.info | ||||||
| A | 208.84.5.2🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-02.azure-dns.info | ||||||
| TXT | _f0acdg3um2y30s4kfbtbw70c0a69hwe | ||||||
| SOA | ns1-02.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1792838611 | ||||||
Same first word
teachcode.xyz |
teachcode.app |
teachcode.tv |
teachcode.cn |
teachcode.net |
teachcode.com |
teachcode.ch |
teachcode.space |
teachcode.org |
Similar names
Previous names
Next names
DNS History
12 records (5 active, 7 former)
●NSns1-02.azure-dns.com2026-09-25 → 2026-10-24 · 3 obs
● 2026-09-25 03:35:46
● 2026-10-24 11:28:32
●NSns2-02.azure-dns.net2026-09-25 → 2026-10-24 · 3 obs
● 2026-09-25 03:35:46
● 2026-10-24 11:28:32
●NSns3-02.azure-dns.org2026-09-25 → 2026-10-24 · 3 obs
● 2026-09-25 03:35:46
● 2026-10-24 11:28:32
●NSns4-02.azure-dns.info2026-09-25 → 2026-10-24 · 3 obs
● 2026-09-25 03:35:46
● 2026-10-24 11:28:32
○NSns55.domaincontrol.com2017-01-04 → 2018-01-19 · 4 obs
● 2018-01-19 03:34:00
○ 2026-09-25 03:35:46
○ 2026-10-24 11:28:32
○NSns56.domaincontrol.com2017-01-04 → 2018-01-19 · 4 obs
● 2018-01-19 03:34:00
○ 2026-09-25 03:35:46
○ 2026-10-24 11:28:32
○MXmailstore1.secureserver.net2017-01-04 → 2018-01-19 · 4 obs
● 2018-01-19 03:34:00
○ 2026-09-25 03:35:46
○ 2026-10-24 11:28:32
○MXsmtp.secureserver.net2017-01-04 → 2018-01-19 · 4 obs
● 2018-01-19 03:34:00
○ 2026-09-25 03:35:46
○ 2026-10-24 11:28:32
○A184.168.221.412017-01-04 → 2018-01-19 · 4 obs
● 2018-01-19 03:34:00
○ 2026-09-25 03:35:46
○ 2026-10-24 11:28:32
○A20.12.97.1022026-10-23 → 2026-10-23 · 4 obs
● 2026-10-23 18:47:34
○ 2026-10-24 11:28:28
○ 2026-10-24 11:28:32
●A20.22.31.1282026-10-24 → 2026-10-24 · 3 obs
● 2026-10-24 11:28:28
● 2026-10-24 11:28:32
○A51.105.228.1042026-09-25 → 2026-09-25 · 4 obs
● 2026-09-25 03:35:46
○ 2026-10-23 18:47:34
○ 2026-10-24 11:28:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| teachcode.net | ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info | 2 records |
✅ Authoritative Response
Server:208.84.5.2
NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachcode.net (unsigned zone)
⏱️ Timing
Total: 1101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.22.31.128 |
| NS | 4 | ns1-02.azure-dns.com, ns2-02.azure-dns.net... |
| TXT | 1 | _f0acdg3um2y30s4kfbtbw70c0a69hwe |
| SOA | 1 | ns1-02.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2-02.azure-dns.net, ns2-02.azure-dns.net)
Analysis
IP Addresses
teachcode.net resolves to just one IP address, 20.22.31.128.
Two other host names, along with bocodc.info, thecubepr.com and buncobaddies.club, also share IP numbers with teachcode.net.
Name Servers
The NS records for teachcode.net point to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.
There is at least partial name server overlap between teachcode.net and other domains — 155.190.199.in-addr.arpa, fridge.co.nz, moviynt.com and two more among them.
All four hostnames — ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org — resolve to two IP numbers apiece: ns1-02.azure-dns.com to 13.107.236.2 and 2603:1061:0:700::2; ns4-02.azure-dns.info to 208.84.5.2 and 2620:1ec:bda:700::2; ns2-02.azure-dns.net to 150.171.21.2 and 2620:1ec:8ec:700::2; ns3-02.azure-dns.org to 204.14.183.2 and 2a01:111:4000:700::2.