johnko.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

johnko.dev

DNSSEC⚠️ Not signed
NSelisa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2636Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c236Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2236Cloudflare2a06:98c1:50::/45
A108.162.194.54Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.54Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NStheo.ns.cloudflare.com
A2606:4700:58::adf5:3b90Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c190Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2190Cloudflare2a06:98c1:50::/45
A108.162.193.144Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.144Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.144Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A2607:f8b0:4023:c0b::1b🇺🇸 Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.141.27🇺🇸 Google142.250.141.0/24
PTRdd-in-f27.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
TXTgoogle-site-verification=otlhUgsG8VxI4MFuLF6wQXUIc9AYK1sWGxvdrABG5LU
SOAelisa.ns.cloudflare.comdns@cloudflare.com serial=2419573984

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)

Same first word

johnko.pages.dev
johnko.dev
johnko.ca
johnko.biz
johnko.us

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khonjo.com
jonkoh.co.uk
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johnok.web.id
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Previous names

johnjosil.dev
johnjoyo.dev
johnjpet.dev
johnjr.dev
johnjurow.dev
johnjwest.dev
johnk.dev
johnkang.dev
johnkav.dev
johnkavanagh.dev
johnkchiu.dev
johnkearney.dev
johnkenlypamor.dev
johnkerr.dev
johnkeys.dev
johnkim.dev
johnkimani.dev
johnklein.dev
johnkleinad.dev
johnkneev.dev

Next names

johnkostopoulos.dev
johnkp.dev
johnkuefler.dev
johnkutz.dev
johnkyle.dev
johnl.dev
johnlabs.dev
johnlam.dev
johnland.dev
johnlangs.dev
johnlatino.dev
johnlavender.dev
johnlawrence.dev
johnlawson.dev
johnle.dev
johnlechowicz.dev
johnlemon.dev
johnli.dev
johnliao.dev
johnlilly.dev

DNS History

3 records (3 active, 0 former)

NSelisa.ns.cloudflare.comtheo.ns.cloudflare.comMXsmtp.google.com
●NSelisa.ns.cloudflare.com2026-08-29 → 2026-11-09 · 2 obs
● 2026-08-29 15:16:08
● 2026-11-09 08:22:28
●NStheo.ns.cloudflare.com2026-08-29 → 2026-11-09 · 2 obs
● 2026-08-29 15:16:08
● 2026-11-09 08:22:28
●MXsmtp.google.com2026-08-29 → 2026-11-09 · 2 obs
● 2026-08-29 15:16:08
● 2026-11-09 08:22:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
johnko.develisa.ns.cloudflare.com, theo.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.144

NS records: elisa.ns.cloudflare.com, theo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johnko.dev (unsigned zone)

⏱️ Timing

Total: 757ms | Queries: -

📄 Records

TypeCountSample Data
NS2elisa.ns.cloudflare.com, theo.ns.cloudflare.com
MX1smtp.google.com (pri: 10)
TXT1google-site-verification=otlhUgsG8VxI4MF
SOA1elisa.ns.cloudflare.com dns.cloudflare.c

Analysis

Name Servers

johnko.dev is delegated to two name servers: elisa.ns.cloudflare.com and theo.ns.cloudflare.com.

johnko.dev shares the same name server setup with other domains, for instance hex2null.workers.dev, denobie.workers.dev, cactaceae-rebutia.pages.dev and two other.

DNS names with 6 IP addresses:

elisa.ns.cloudflare.com resolves to 108.162.194.54, 162.159.38.54, 172.64.34.54 and 3 other IP addresses.

theo.ns.cloudflare.com resolves to 108.162.193.144, 172.64.33.144, 173.245.59.144 and 3 other IP addresses.

Mail Servers

The sole mail server for johnko.dev is smtp.google.com.

With 8 IP addresses total, smtp.google.com resolves to 74.125.137.27, 142.250.141.27, 142.251.2.26 and 5 others.