simplex.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status

simplex.dev

DNSSEC⚠️ Not signed
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
NSns1.helloserver.win ⭐ ⚠️ Not in parent delegation
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
NSns1.premiumdomains.cloud ⚠️ Not in zone NS records
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
NSns2.helloserver.win ⚠️ Not in parent delegation
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
NSns2.premiumdomains.cloud ⚠️ Not in zone NS records
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
MXsimplex.dev
A165.22.123.139🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRhost8.helloserver.win
TXT42e0f1f50d0746987983d8803018719123275674
TXT08cebbb6-463b-4cf3-b8f1-04d2f06504e2
TXTv=spf1 +a +mx +ip4:165.22.123.139 ~all
TXTafternic-verification-Qvn3p7PuRqTYub6hbPxp9L
TXT53012de8b0b79984cd7c6667e5d6a1f9d5c91ed6
SOAns1.helloserver.winhellosw@proton.me 2026-06-18 #0

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

MX for

Same first word

Similar names

Previous names

Next names

DNS History

6 records (6 active, 0 former)

NSns1.helloserver.winns1.premiumdomains.cloudns2.helloserver.winns2.premiumdomains.cloudMXsimplex.devA165.22.123.139
NSns1.helloserver.win2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26
NSns1.premiumdomains.cloud2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26
NSns2.helloserver.win2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26
NSns2.premiumdomains.cloud2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26
MXsimplex.dev2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26
A165.22.123.1392026-08-28 → 2026-08-29 · 2 obs
● 2026-08-28 08:45:56
● 2026-08-29 21:16:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
simplex.devns1.premiumdomains.cloud, ns2.premiumdomains.cloud-

✅ Authoritative Response

Server:165.22.123.139

NS records: ns1.premiumdomains.cloud, ns2.premiumdomains.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplex.dev (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

TypeCountSample Data
A1165.22.123.139
NS2ns1.helloserver.win, ns2.helloserver.win
MX1simplex.dev (pri: 0)
TXT542e0f1f50d0746987983d8803018719123275674, 08cebbb6-463b-4cf3-b8f1-04d2f06504e2...
SOA1ns1.helloserver.win hellosw.proton.me

Analysis

Mail Server Role

simplex.dev serves as a mail server for simplex.dev.

IP Addresses

simplex.dev has exactly one IP address — 165.22.123.139.

npcs.now, catch.name, aiq.dev plus two other host names have IP numbers in common with simplex.dev.

Name Servers

Four name servers handle the delegation for simplex.dev: ns1.premiumdomains.cloud, ns2.premiumdomains.cloud, ns1.helloserver.win and ns2.helloserver.win.

The name servers of simplex.dev overlap at least partially with those of other domains — among them realtime.money, yousave.app, bullseye.now and two more.

ns1.premiumdomains.cloud, ns2.premiumdomains.cloud, ns1.helloserver.win and ns2.helloserver.win all direct traffic to the IP address 165.22.123.139.

The following host names resolve to 165.22.123.139: ns1.premiumdomains.cloud, ns2.premiumdomains.cloud, ns1.helloserver.win and ns2.helloserver.win.

Mail Servers

simplex.dev uses exactly one mail server, which is simplex.dev.

simplex.dev resolves to 165.22.123.139 and no other IP number.