leetcode.net - dns.ninja
leetcode.net
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=1781583985 | ||||||
rank #21442 in the tld
🔒 HSTS Preload (+subdomains)
Subdomains
postmaster.leetcode.net |
*.leetcode.net |
www.leetcode.net |
Same first word
leetcode.cn |
leetcode.in |
leetcode.ca |
leetcode.io |
leetcode.net |
leetcode.uz |
leetcode.pro |
leetcode.com |
leetcode.wang |
leetcode.codes |
leetcode.co |
leetcode.jp |
Similar names
DNS History
18 records (10 active, 8 former)
●NSns1.digitalocean.com2017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
○NSns1.linode.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
●NSns2.digitalocean.com2017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
○NSns2.linode.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
●NSns3.digitalocean.com2017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
○NSns3.linode.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
○NSns4.linode.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
○NSns5.linode.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
●MXalt1.aspmx.l.google.com2015-06-02 → 2026-06-16 · 2 obs
● 2026-06-16 04:37:06
●MXalt2.aspmx.l.google.com2015-06-02 → 2026-06-16 · 2 obs
● 2026-06-16 04:37:06
●MXalt3.aspmx.l.google.com2017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
●MXalt4.aspmx.l.google.com2017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
●MXaspmx.l.google.com2015-06-02 → 2026-06-16 · 2 obs
● 2026-06-16 04:37:06
○MXaspmx2.googlemail.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
○MXaspmx3.googlemail.com2015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
●A138.68.14.82017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
○A173.255.216.1102015-06-02 → 2016-04-26 · 4 obs
● 2016-04-26 03:31:42
○ 2017-02-01 02:49:10
○ 2026-06-16 04:37:06
●A2604:a880:2:d0::202:60012017-02-01 → 2026-06-16 · 3 obs
● 2017-02-01 02:49:10
● 2026-06-16 04:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| leetcode.net | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leetcode.net (unsigned zone)
⏱️ Timing
Total: 401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.68.14.8 |
| AAAA | 1 | 2604:a880:2:d0::202:6001 |
| NS | 3 | ns1.digitalocean.com, ns2.digitalocean.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | google-site-verification=29LTb7khKALYdaw, v=spf1 include:_spf.google.com a mx -all... |
| SOA | 1 | ns1.digitalocean.com hostmaster.leetcode |
Analysis
Hierarchy
postmaster.leetcode.net, *.leetcode.net and www.leetcode.net are all subdomains of leetcode.net.
IP Addresses
leetcode.net has two IP addresses: 138.68.14.8 and 2604:a880:2:d0::202:6001
www.noswap.com, getnib.com, ea2drocks.com and noswap.com are examples of host names that share IP numbers with leetcode.net.
Name Servers
leetcode.net carries NS records delegating to ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
The name servers of leetcode.net overlap at least partially with those of other domains — among them monitor1.com, ohmdrop.net, 122.223.159.in-addr.arpa and two more.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com are three hostnames that each resolve to a pair of IP addresses: ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
Five mail servers handle leetcode.net: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
leetcode.net shares mail servers — at least in part — with other domains, including sekigakusha.com, epbestdriveraward.com, phocus.me and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com resolves to two addresses: 142.251.167.27 and 2607:f8b0:4004:c27::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.