leetcoder.com - dns.ninja
leetcoder.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-42.azure-dns.com ⭐ | ||||||
| A | 150.171.10.42🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns1-42.azure-dns.com | ||||||
| NS | ns2-42.azure-dns.net | ||||||
| A | 150.171.16.42🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-42.azure-dns.net | ||||||
| NS | ns3-42.azure-dns.org | ||||||
| A | 13.107.222.42🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns3-42.azure-dns.org | ||||||
| NS | ns4-42.azure-dns.info | ||||||
| A | 13.107.206.42🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns4-42.azure-dns.info | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-42.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
com
| 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=1783239676 | ||||||
Same first word
leetcoder.com |
Similar names
DNS History
12 records (4 active, 8 former)
●NSns1-42.azure-dns.com2026-02-21 → 2026-07-05 · 3 obs
● 2026-02-21 15:05:26
● 2026-07-05 08:45:50
○NSns1.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
●NSns2-42.azure-dns.net2026-02-21 → 2026-07-05 · 3 obs
● 2026-02-21 15:05:26
● 2026-07-05 08:45:50
○NSns2.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
●NSns3-42.azure-dns.org2026-02-21 → 2026-07-05 · 3 obs
● 2026-02-21 15:05:26
● 2026-07-05 08:45:50
○NSns3.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
●NSns4-42.azure-dns.info2026-02-21 → 2026-07-05 · 3 obs
● 2026-02-21 15:05:26
● 2026-07-05 08:45:50
○NSns4.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
○NSns5.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
○NSns6.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
○NSns7.markmonitor.com2015-10-17 → 2017-07-01 · 4 obs
● 2017-07-01 19:54:52
○ 2026-02-21 15:05:26
○ 2026-07-05 08:45:50
○MX.2026-02-21 → 2026-07-05 · 2 obs
○ 2026-07-05 08:45:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| leetcoder.com | ns3-42.azure-dns.org, ns4-42.azure-dns.info, ns1-42.azure-dns.com, ns2-42.azure-dns.net | 1 record |
✅ Authoritative Response
Server:150.171.16.42
NS records: ns3-42.azure-dns.org, ns4-42.azure-dns.info, ns1-42.azure-dns.com, ns2-42.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leetcoder.com (unsigned zone)
⏱️ Timing
Total: 262ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-42.azure-dns.com, ns2-42.azure-dns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1-42.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns1-42.azure-dns.com)
Analysis
Name Servers
The domain leetcoder.com is delegated to these four name servers: ns1-42.azure-dns.com, ns4-42.azure-dns.info, ns2-42.azure-dns.net and ns3-42.azure-dns.org.
leetcoder.com has at least partial name server overlap with other domains, such as linkedin.com.hk, linkedenresearch.com, linkedin.lighting and two others.
dns1.p09.nsone.net, dns2.p09.nsone.net and dns3.p09.nsone.net — plus 7 other name servers — are commonly paired with these name servers.
ns1-42.azure-dns.com resolves to 150.171.10.42. ns4-42.azure-dns.info resolves to 13.107.206.42. ns2-42.azure-dns.net resolves to 150.171.16.42. ns3-42.azure-dns.org resolves to 13.107.222.42. All four hosts carry exactly one IP address.