kthread.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

kthread.dev

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4ddd🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:d3ec🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.221Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.236🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmatt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A2803:f800:50::6ca2:c183🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatt.ns.cloudflare.com
A2a06:98c1:50::ac40:2183🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatt.ns.cloudflare.com
A108.162.193.131🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A172.64.33.131🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A173.245.59.131🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
NSsue.ns.cloudflare.com
A2606:4700:50::adf5:3a91Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c091Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2091Cloudflare2a06:98c1:50::/45
A108.162.192.145Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.32.145Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.58.145Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx01.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
MXmx02.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
TXTapple-domain=DRj8kDFYI0IJBpm5
TXTv=spf1 include:icloud.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.221, 172.67.211.236
IPv6 hints2606:4700:3032::6815:4ddd, 2606:4700:3033::ac43:d3ec
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=131, name=cloudflare-ech.com
SOAmatt.ns.cloudflare.comdns@cloudflare.com serial=2417900967

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

kthread.net
kthread.dev
kthread.org
kthread.cloud

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Previous names

ktechbits.dev
ktechning.dev
ktechs.dev
ktek.dev
kteootr.dev
ktesio.dev
ktests.dev
kteto.dev
ktex.dev
ktext.dev
ktfc.dev
ktfg.dev
ktforge.dev
ktform.dev
ktg.dev
ktgb.dev
kth.dev
kthekyd.dev
kthomas.dev
kthost.dev

Next names

kthx.dev
kthxbai.dev
kthys.dev
kticket.dev
ktilis.dev
ktility.dev
ktinfra.dev
kting.dev
ktiri.dev
ktiwari.dev
ktjx.dev
ktkim.dev
ktkjmp.dev
ktkn.dev
ktkv.dev
ktlab.dev
ktlabs.dev
ktln.dev
ktlo.dev
ktlogic.dev

DNS History

25 records (8 active, 17 former)

NSmatt.ns.cloudflare.comsue.ns.cloudflare.comns1.dns-parking.comns2.dns-parking.comMXmx01.mail.icloud.commx02.mail.icloud.comA104.21.77.221172.67.211.2362606:4700:3032::6815:4ddd2606:4700:3033::ac43:d3ec159.195.241.192185.199.108.153185.199.109.153185.199.110.153185.199.111.153188.114.96.0188.114.97.02606:50c0:8000::1532606:50c0:8001::1532606:50c0:8002::1532606:50c0:8003::1532a06:98c1:3120::2a06:98c1:3121::2a0a:4cc0:60:1b62::672a0a:4cc0:60:1b62:8434:c6ff:fe9e:f91f
●NSmatt.ns.cloudflare.com2026-09-26 → 2026-10-23 · 3 obs
○ 2026-08-30 07:53:38
● 2026-09-26 02:43:46
● 2026-10-23 04:16:06
○NSns1.dns-parking.com2026-08-30 → 2026-08-30 · 3 obs
● 2026-08-30 07:53:38
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○NSns2.dns-parking.com2026-08-30 → 2026-08-30 · 3 obs
● 2026-08-30 07:53:38
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
●NSsue.ns.cloudflare.com2026-09-26 → 2026-10-23 · 3 obs
○ 2026-08-30 07:53:38
● 2026-09-26 02:43:46
● 2026-10-23 04:16:06
●MXmx01.mail.icloud.com2026-08-30 → 2026-10-23 · 2 obs
● 2026-08-30 07:53:38
● 2026-10-23 04:16:06
●MXmx02.mail.icloud.com2026-08-30 → 2026-10-23 · 2 obs
● 2026-08-30 07:53:38
● 2026-10-23 04:16:06
●A104.21.77.2212026-09-26 → 2026-10-23 · 5 obs
○ 2026-09-25 10:11:02
● 2026-09-26 02:43:46
○ 2026-10-07 00:04:42
● 2026-10-20 18:02:02
● 2026-10-23 04:16:06
○A159.195.241.1922026-08-30 → 2026-08-30 · 3 obs
● 2026-08-30 07:53:38
○ 2026-09-25 10:11:02
○ 2026-10-23 04:16:06
●A172.67.211.2362026-09-26 → 2026-10-23 · 5 obs
○ 2026-09-25 10:11:02
● 2026-09-26 02:43:46
○ 2026-10-07 00:04:42
● 2026-10-20 18:02:02
● 2026-10-23 04:16:06
○A185.199.108.1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A185.199.109.1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A185.199.110.1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A185.199.111.1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A188.114.96.02026-10-07 → 2026-10-07 · 4 obs
○ 2026-09-26 02:43:46
● 2026-10-07 00:04:42
○ 2026-10-20 18:02:02
○ 2026-10-23 04:16:06
○A188.114.97.02026-10-07 → 2026-10-07 · 4 obs
○ 2026-09-26 02:43:46
● 2026-10-07 00:04:42
○ 2026-10-20 18:02:02
○ 2026-10-23 04:16:06
●A2606:4700:3032::6815:4ddd2026-09-26 → 2026-10-23 · 5 obs
○ 2026-09-25 10:11:02
● 2026-09-26 02:43:46
○ 2026-10-07 00:04:42
● 2026-10-20 18:02:02
● 2026-10-23 04:16:06
●A2606:4700:3033::ac43:d3ec2026-09-26 → 2026-10-23 · 5 obs
○ 2026-09-25 10:11:02
● 2026-09-26 02:43:46
○ 2026-10-07 00:04:42
● 2026-10-20 18:02:02
● 2026-10-23 04:16:06
○A2606:50c0:8000::1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A2606:50c0:8001::1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A2606:50c0:8002::1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A2606:50c0:8003::1532026-09-25 → 2026-09-25 · 4 obs
○ 2026-09-22 17:34:16
● 2026-09-25 10:11:02
○ 2026-09-26 02:43:46
○ 2026-10-23 04:16:06
○A2a06:98c1:3120::2026-10-07 → 2026-10-07 · 4 obs
○ 2026-09-26 02:43:46
● 2026-10-07 00:04:42
○ 2026-10-20 18:02:02
○ 2026-10-23 04:16:06
○A2a06:98c1:3121::2026-10-07 → 2026-10-07 · 4 obs
○ 2026-09-26 02:43:46
● 2026-10-07 00:04:42
○ 2026-10-20 18:02:02
○ 2026-10-23 04:16:06
○A2a0a:4cc0:60:1b62::672026-09-22 → 2026-09-22 · 4 obs
○ 2026-08-30 07:53:38
● 2026-09-22 17:34:16
○ 2026-09-25 10:11:02
○ 2026-10-23 04:16:06
○A2a0a:4cc0:60:1b62:8434:c6ff:fe9e:f91f2026-08-30 → 2026-08-30 · 3 obs
● 2026-08-30 07:53:38
○ 2026-09-22 17:34:16
○ 2026-10-23 04:16:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
kthread.devsue.ns.cloudflare.com, matt.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.145

NS records: sue.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2411ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.211.236, 104.21.77.221
AAAA22606:4700:3033::ac43:d3ec, 2606:4700:3032::6815:4ddd
NS2matt.ns.cloudflare.com, sue.ns.cloudflare.com
MX2mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)
TXT2apple-domain=DRj8kDFYI0IJBpm5, v=spf1 include:icloud.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1matt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

kthread.dev resolves to four IP addresses: 104.21.77.221, 172.67.211.236, 2606:4700:3032::6815:4ddd and 2606:4700:3033::ac43:d3ec.

Two other host names, along with buyexpressonline.shop, ss1676.cc and desimms69.shop, also share IP numbers with kthread.dev.

Name Servers

kthread.dev uses two name servers for its delegation: matt.ns.cloudflare.com and sue.ns.cloudflare.com.

kthread.dev shares its NS records with other domains, for example scuderi.tech, my-fishing-and-garage.pages.dev, myprvl.com and two others.

kthread.dev shares at least some of its name servers with other domains, including mna721005.workers.dev, emevede.com, qq88idn.pages.dev and two others.

These name servers are often used together with the name servers nile.ns.cloudflare.com and bonnie.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname matt.ns.cloudflare.com directs to 108.162.193.131, 172.64.33.131 and 173.245.59.131 along with 3 other IP addresses.

Hostname sue.ns.cloudflare.com directs to 108.162.192.145, 172.64.32.145 and 173.245.58.145 along with 3 other IP addresses.

Mail Servers

kthread.dev is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with kthread.dev are matthewsearle.me, koa.style, www-dlm.com and two others.

kthread.dev shares at least partially some mail servers with other domains, for instance avtherav.com and kotokaze.net.

DNS names with 6 IP addresses:

Hostname mx01.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hostname mx02.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.42.251.62 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.56.9.31 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.152.5 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.154.33 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.155.25 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.156.30 IP addresses each.