🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`core4it.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cef7^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:455f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.95^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.247^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`demi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
NS	`olof.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c33^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c333^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olof.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2333^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olof.ns.cloudflare.com`
		A	108.162.195.51^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	162.159.44.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	172.64.35.51^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=4bb44e585ebe23c0b4cd8f99262ab4b8dd7b58dc`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.95, 172.67.206.247
		IPv6 hints	2606:4700:3031::ac43:cef7, 2606:4700:3036::6815:455f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOA	`demi.ns.cloudflare.com`dns@cloudflare.com serial=2418644063

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

core4it.dev

core4it.com

core4it.nl

core4it.eu

core4it.dk

Similar names

it4orce.com

4(0x65726f746963).com

(0x65726f746963)4.com

Previous names

core-tools.dev

core-ui.dev

core-us.dev

core-utils.dev

core-value.dev

core-x.dev

core0.dev

core1.dev

core10lab.dev

core152.dev

core16.dev

core2.dev

core22.dev

core3.dev

core32.dev

core3d.dev

core4.dev

core402.dev

core42.dev

core49.dev

Next names

DNS History

8 records (8 active, 0 former)

●NSdemi.ns.cloudflare.com2026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●NSolof.ns.cloudflare.com2026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●MXmail.protonmail.ch2026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●MXmailsec.protonmail.ch2026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●A104.21.69.952026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●A172.67.206.2472026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●A2606:4700:3031::ac43:cef72026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

●A2606:4700:3036::6815:455f2026-09-30 → 2026-11-11 · 2 obs

● 2026-09-30 12:17:02
● 2026-11-11 07:02:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
core4it.dev	olof.ns.cloudflare.com, demi.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.51

NS records: olof.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core4it.dev (unsigned zone)

⏱️ Timing

Total: 1139ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.247, 104.21.69.95`
AAAA	2	`2606:4700:3036::6815:455f, 2606:4700:3031::ac43:cef7`
NS	2	`demi.ns.cloudflare.com, olof.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=4bb44e585ebe23c0, v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`demi.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

core4it.dev resolves to four IP addresses: 104.21.69.95, 172.67.206.247, 2606:4700:3031::ac43:cef7 and 2606:4700:3036::6815:455f.

bizuteria925.pl, zheath.com, jkhg81.beer and two other host names share IP numbers with core4it.dev.

Name Servers

Two name servers handle the delegation for core4it.dev: demi.ns.cloudflare.com and olof.ns.cloudflare.com.

core4it.dev uses the same name servers as several other domains — among them darmowybonusbezdepozytu-pl.pages.dev, bh6kuiiyewa8.workers.dev, diarhabibi.com and two more.

core4it.dev shares at least some of its name servers with other domains, including x89apk.in, denizgokayhamzali.workers.dev, b38779112.es and two others.

These name servers are frequently paired with the name servers garrett.ns.cloudflare.com, megan.ns.cloudflare.com and desi.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

demi.ns.cloudflare.com resolves to 108.162.192.95, 172.64.32.95 and 173.245.58.95 among others, with 3 other IP addresses in total.

olof.ns.cloudflare.com resolves to 108.162.195.51, 162.159.44.51 and 172.64.35.51 among others, with 3 other IP addresses in total.

Mail Servers

Mail for core4it.dev is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

core4it.dev uses an identical mail server configuration to several other domains — among them encuentroanimal.org, solvind.net, gregwallace.com.au and two more.

core4it.dev has at least partial mail server overlap with other domains such as 2920315914.com, ebox.be, godawfulracket.com and two more.

mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

core4it.dev - robtex.com

core4it.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`core4it.dev`

`dev`