leetcodeoffice.com - robtex.com

leetcodeoffice.com

DNSSEC⚠️ Not signed
A34.198.182.201🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-198-182-201.compute-1.amazonaws.com
NSns2.no-ip.com ⭐ ⚠️ Not in parent delegation
A2a07:dc00:180::53🇺🇸 AS299972a07:dc00:180::/44
PTRns2.no-ip.com
A194.62.180.53🇺🇸 AS29997194.62.180.0/24
PTRns2.no-ip.com
NSns1.no-ip.com ⚠️ Not in parent delegation
A2a07:dc00:1810::53🇺🇸 AS299972a07:dc00:1810::/44
PTRns1.no-ip.com
A194.62.181.53🇺🇸 AS29997194.62.181.0/24
PTRns1.no-ip.com
NSns3.no-ip.com ⚠️ Not in parent delegation
A2a07:dc00:2550::53🇺🇸 AS299972a07:dc00:2550::/44
PTRns3.no-ip.com
A204.16.255.53🇺🇸 AS29997204.16.255.0/24 Vultr Customer Route
PTRns3.no-ip.com
NSns4.no-ip.com ⚠️ Not in parent delegation
A2620:0:2e64::53🇺🇸 AS299972620:0:2e64::/48 Vitalwerks Internet Solutions, LLC dba No-IP
PTRns4.no-ip.com
A204.16.254.53🇺🇸 AS29997204.16.254.0/24 Vultr Customer Route
PTRns4.no-ip.com
NSns5.no-ip.com ⚠️ Not in parent delegation
A194.62.181.53🇺🇸 AS29997194.62.181.0/24
PTRns1.no-ip.com
NSstatic-1.no-ip.com ⚠️ Not in zone NS records
A194.62.181.53🇺🇸 AS29997194.62.181.0/24
PTRns1.no-ip.com
NSstatic-2.no-ip.com ⚠️ Not in zone NS records
A45.77.3.172🇺🇸 AS-VULTR45.77.0.0/21 Vultr Assigned Prefix
PTR45.77.3.172.vultrusercontent.com
NSstatic-3.no-ip.com ⚠️ Not in zone NS records
A104.207.132.142🇺🇸 AS-VULTR104.207.132.0/22 Vultr Assigned Prefix
PTR104.207.132.142.vultrusercontent.com
SOAns2.no-ip.comhostmaster@no-ip.com 2020-02-20 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774693327

Same first word

leetcodeoffice.com

DNS History

10 records (9 active, 1 former)

202120222023202420252026NSns1.no-ip.comns2.no-ip.comns3.no-ip.comns4.no-ip.comns5.no-ip.comstatic-1.no-ip.comstatic-2.no-ip.comstatic-3.no-ip.comA34.198.182.20167.188.225.131
●NSns1.no-ip.com2020-02-20 → 2026-03-28 · 2 obs
● 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSns2.no-ip.com2020-02-20 → 2026-03-28 · 2 obs
● 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSns3.no-ip.com2020-02-20 → 2026-03-28 · 2 obs
● 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSns4.no-ip.com2020-02-20 → 2026-03-28 · 2 obs
● 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSns5.no-ip.com2020-02-20 → 2026-03-28 · 2 obs
● 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSstatic-1.no-ip.com2026-03-28 → 2026-03-28 · 2 obs
○ 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSstatic-2.no-ip.com2026-03-28 → 2026-03-28 · 2 obs
○ 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●NSstatic-3.no-ip.com2026-03-28 → 2026-03-28 · 2 obs
○ 2020-02-20 12:32:56
● 2026-03-28 10:28:28
●A34.198.182.2012026-03-28 → 2026-03-28 · 2 obs
○ 2020-02-20 12:32:56
● 2026-03-28 10:28:28
○A67.188.225.1312020-02-20 → 2020-02-20 · 2 obs
● 2020-02-20 12:32:56
○ 2026-03-28 10:28:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...-
leetcodeoffice.comstatic-1.no-ip.com, static-2.no-ip.com, static-3.no-ip.com3 records

✅ Authoritative Response

Server:45.77.3.172

NS records: static-1.no-ip.com, static-2.no-ip.com, static-3.no-ip.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leetcodeoffice.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

TypeCountSample Data
A134.198.182.201
NS5ns3.no-ip.com, ns4.no-ip.com...
SOA1ns2.no-ip.com hostmaster.no-ip.com

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (static-1.no-ip.com, static-2.no-ip.com, static-3.no-ip.com)

Analysis

IP Addresses

leetcodeoffice.com maps to IP address 34.198.182.201.

Other host names, for instance sistemaagil.com.br, hedins.se, ad-din.ca, changstar.com and purepoint.io share IP numbers with leetcodeoffice.com.

Name Servers

Eight name servers are delegated to leetcodeoffice.com: ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com, ns4.no-ip.com, ns5.no-ip.com, static-1.no-ip.com, static-2.no-ip.com and static-3.no-ip.com.

leetcodeoffice.com at least partially shares name servers with other domains such as pbockmann.com, x303.com, 4c.com, matthewtanderson.com and emiphysicians.com.

Two IP numbers

ns1.no-ip.com points to 2a07:dc00:1810::53 and 194.62.181.53

ns2.no-ip.com points to 2a07:dc00:180::53 and 194.62.180.53

ns3.no-ip.com points to 2a07:dc00:2550::53 and 204.16.255.53

ns4.no-ip.com points to 2620:0:2e64::53 and 204.16.254.53

One IP number

ns5.no-ip.com points to 194.62.181.53

static-1.no-ip.com points to 194.62.181.53

static-2.no-ip.com points to 45.77.3.172

static-3.no-ip.com points to 104.207.132.142

Names pointing to 194.62.181.53: ns1.no-ip.com, ns5.no-ip.com and static-1.no-ip.com