coretechnology.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coretechnology.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:38ca^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bbdb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.202^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.219^{Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jill.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jill.ns.cloudflare.com`
		A	108.162.192.122^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	172.64.32.122^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	173.245.58.122^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.56.202, 172.67.187.219
		IPv6 hints	2606:4700:3034::6815:38ca, 2606:4700:3035::ac43:bbdb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOA	`jill.ns.cloudflare.com`dns@cloudflare.com serial=2416541807

`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

Similar names

DNS History

11 records (11 active, 0 former)

●NSjill.ns.cloudflare.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●NSscott.ns.cloudflare.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●MXeforward1.registrar-servers.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●MXeforward2.registrar-servers.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●MXeforward3.registrar-servers.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●MXeforward4.registrar-servers.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●MXeforward5.registrar-servers.com2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●A104.21.56.2022026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●A172.67.187.2192026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●A2606:4700:3034::6815:38ca2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

●A2606:4700:3035::ac43:bbdb2026-10-04 → 2026-10-25 · 2 obs

● 2026-10-04 19:10:10
● 2026-10-25 15:03:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
coretechnology.dev	scott.ns.cloudflare.com, jill.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.122

NS records: scott.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretechnology.dev (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.202, 172.67.187.219`
AAAA	2	`2606:4700:3035::ac43:bbdb, 2606:4700:3034::6815:38ca`
NS	2	`jill.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jill.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

coretechnology.dev has four IP addresses: 104.21.56.202, 172.67.187.219, 2606:4700:3034::6815:38ca and 2606:4700:3035::ac43:bbdb.

Name Servers

Two name servers handle the delegation for coretechnology.dev: jill.ns.cloudflare.com and scott.ns.cloudflare.com.

DNS names with 6 IP addresses:

jill.ns.cloudflare.com resolves to 108.162.192.122, 172.64.32.122 and 173.245.58.122 among others, with 3 other IP addresses in total.

scott.ns.cloudflare.com resolves to 108.162.193.230, 172.64.33.230 and 173.245.59.230 among others, with 3 other IP addresses in total.

Mail Servers

coretechnology.dev is handled by five mail servers, eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two other.

Host names that point to one IP address:

The hostname eforward1.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward2.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward3.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward4.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward5.registrar-servers.com resolves to 162.255.118.51.

Each of eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com along with eforward4.registrar-servers.com each resolve to 162.255.118.52 IP addresses.