postmaster.leetcode.net - dns.ninja
postmaster.leetcode.net
leetcode.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2604:a880:2:d0::202:6001🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean | ||||||
| A | 138.68.14.8🇺🇸 DIGITALOCEAN138.68.0.0/20 DigitalOcean | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| NS | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | google-site-verification=w0f9dmlanZcgHQCE2auPVfWZ4GPgdZ7y3Of_fYHmUXg | ||||||
| TXT | v=spf1 include:_spf.google.com a mx -all | ||||||
| TXT | google-site-verification=29LTb7khKALYdawtMH9qXMCKIEy_IJQSJCsDZ2JPWOY | ||||||
| SOA | ns1.digitalocean.comhostmaster@leetcode.net serial=0 | ||||||
rank #21442 in the tld
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
DNS History
12 records (1 active, 11 former)
○NSns1.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○NSns2.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○NSns3.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○NSns4.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○NSns5.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○MXalt1.aspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○MXalt2.aspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○MXaspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○MXaspmx2.googlemail.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○MXaspmx3.googlemail.com2015-11-07 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
○A173.255.216.1102015-06-24 → 2016-04-27 · 4 obs
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-06-16 17:40:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, h.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: 601ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | leetcode.net |
Analysis
IP Addresses
postmaster.leetcode.net resolves to the IP addresses 138.68.14.8 and 2604:a880:2:d0::202:6001
ea2drocks.com, noswap.com, leetcode.net plus two other host names have IP numbers in common with postmaster.leetcode.net.
Name Servers
DNS for postmaster.leetcode.net is handled by three authoritative name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
postmaster.leetcode.net has at least partial name server overlap with other domains, such as quiubos.com, 777casino-holland.com, 1.0.0.a.b.0.5.3.0.0.0.0.0.0.0.0.0.1.0.0.0.0.8.0.0.8.8.a.4.0.6.2.ip6.arpa and two others.
Three hostnames — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — each have two IP addresses: ns1.digitalocean.com has 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com has 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com has 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
postmaster.leetcode.net is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by postmaster.leetcode.net are shared with other domains: bokanauto.com, claytonmedia.co.uk, roulette-spelen.nl and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 172.253.63.27 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.