postmaster.leetcode.net - robtex.com

postmaster.leetcode.net

CNAMEleetcode.net
DNSSEC⚠️ Not signed
A2604:a880:2:d0::202:6001🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean
A138.68.14.8🇺🇸 DIGITALOCEAN138.68.0.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c21::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=w0f9dmlanZcgHQCE2auPVfWZ4GPgdZ7y3Of_fYHmUXg
TXTv=spf1 include:_spf.google.com a mx -all
TXTgoogle-site-verification=29LTb7khKALYdawtMH9qXMCKIEy_IJQSJCsDZ2JPWOY
SOAns1.digitalocean.comhostmaster@leetcode.net serial=0

leetcode.net

DNSSEC⚠️ Not signed
A2604:a880:2:d0::202:6001🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean
A138.68.14.8🇺🇸 DIGITALOCEAN138.68.0.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
NSns2.digitalocean.com
NSns3.digitalocean.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=w0f9dmlanZcgHQCE2auPVfWZ4GPgdZ7y3Of_fYHmUXg
TXTv=spf1 include:_spf.google.com a mx -all
TXTgoogle-site-verification=29LTb7khKALYdawtMH9qXMCKIEy_IJQSJCsDZ2JPWOY
SOAns1.digitalocean.comhostmaster@leetcode.net serial=0
rank #710571 globally
rank #20845 in the tld
🔒 HSTS Preload (+subdomains)

Same first word

postmaster.be
postmaster.sucks
postmaster.club
postmaster.ca
postmaster.ovh
postmaster.dk
postmaster.cn
postmaster.biz
postmaster.com.mx
postmaster.top
postmaster.fr
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postmaster.pro
postmaster.email
postmaster.co.in
postmaster.ro
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postmaster.website
postmaster.tools
postmaster.co.uk
postmaster.ru
postmaster.gr
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postmaster.kinghost.net
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postmaster.us
postmaster.it
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postmaster.pl
postmaster.at
postmaster.ws
postmaster.no
postmaster.nu
postmaster.eu
postmaster.tv
postmaster.ath.cx
postmaster.ch
postmaster.se

Similar names

teamsports.co
mrsteapots.com
masterpost.com
metasports.info
masterpost.it
spotmaster.ru
sportsteam.at
spotstream.com
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teamsports.mx
stampstore.ru
teamsports.management
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topmasters.com
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spotstream.live
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sportsmate.gr
topstreams.me
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streamspot.church
stampstore.nl
stopstream.co
sportsmeta.com
topmasters.net
masterpost.us
metasports.com
teamsports.com.au
teamsports.com.ua
sportsmate.no
stampstore.de
streamspot.net
metasports.com.py
sportsmate.org
sportsteam.eu
streamspot.com
teamsports.org
sportteams.com
stopmaster.com
smartposte.com
teamssport.com
teamsports.es
stampstore.com.au
sportteams.net
masterspot.com
metasports.eu
stampstore.net.au
metasports.com.br
topmasters.eu
spotmaster.de
spotmaster.app
teamsports.de
sportsteam.org
stopstream.us
spotmaster.com
masterpost.com.br
topstreams.tv
tesmasport.si
opsmatters.com
sportmates.com
teamsports.cn
sportsmate.com
tprestamos.com
teamsports.eu
stampstore.org
sportsmate.net
sportsteam.de
streampost.ru
smartepost.com
topstreams.ca
masterpost.ru
sportsteam.com
stopmaster.ru
smartestop.com
spotstream.tv
teamsports.co.nz
stampstore.com.br
teamsports.at
stopstream.org
stopstream.com
sportsmate.co.nz
metasports.org

DNS History

12 records (1 active, 11 former)

20162017201820192020202120222023202420252026NSns1.linode.comns2.linode.comns3.linode.comns4.linode.comns5.linode.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA173.255.216.110CNAMEleetcode.net
○NSns1.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○NSns2.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○NSns3.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○NSns4.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○NSns5.linode.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○MXalt1.aspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○MXalt2.aspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○MXaspmx.l.google.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○MXaspmx2.googlemail.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○MXaspmx3.googlemail.com2015-11-07 → 2016-04-27 · 4 obs
● 2015-11-07 19:38:38
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
○A173.255.216.1102015-06-24 → 2016-04-27 · 4 obs
● 2015-06-24 20:36:44
● 2016-04-27 11:56:50
○ 2026-03-31 18:08:50
○ 2026-04-24 00:01:44
●CNAMEleetcode.net2015-06-24 → 2026-04-24 · 2 obs
● 2015-06-24 20:36:44
● 2026-04-24 00:01:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
leetcode.netns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com-

✅ Authoritative Response

Server:172.64.53.21

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: 437ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1leetcode.net

Analysis

IP Addresses

postmaster.leetcode.net points to two IP numbers: 2604:a880:2:d0::202:6001 and 138.68.14.8.

Other host names such as ea2drocks.com, noswap.com, leetcode.net, www.noswap.com and getnib.com share IP numbers with postmaster.leetcode.net.

Name Servers

postmaster.leetcode.net is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

At least part of the name servers for postmaster.leetcode.net are shared with other domains, for instance quiubos.com, 14.62.55.69.in-addr.arpa, 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 151.101.46.in-addr.arpa.

Host names with two IP numbers:

ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209

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, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

postmaster.leetcode.net shares at least some mail servers with other domains, for example bokanauto.com, claytonmedia.co.uk, roulette-spelen.nl, kinfe.it and aileroncapital.com.

These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4004:c21::1a and 172.253.63.26; alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26; alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26; alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27; alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26.