🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`corstack.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:594c^{Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9cf6^{Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.76^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.246^{Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abby.ns.cloudflare.com` ⭐
NS	`lynn.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁹¹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=6SCPEI7ruZFkLS5CfgySe5eIancpsAZeuyA-Q6ZHG7M`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.76, 172.67.156.246
		IPv6 hints	2606:4700:3033::6815:594c, 2606:4700:3037::ac43:9cf6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2414634338

`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

corstack.in

corstack.dev

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DNS History

13 records (9 active, 4 former)

●NSabby.ns.cloudflare.com2026-09-04 → 2026-09-18 · 2 obs

● 2026-09-04 04:30:14
● 2026-09-18 02:00:04

●NSlynn.ns.cloudflare.com2026-09-04 → 2026-09-18 · 2 obs

● 2026-09-04 04:30:14
● 2026-09-18 02:00:04

●MXroute1.mx.cloudflare.net2026-09-04 → 2026-09-18 · 2 obs

● 2026-09-04 04:30:14
● 2026-09-18 02:00:04

●MXroute2.mx.cloudflare.net2026-09-04 → 2026-09-18 · 2 obs

● 2026-09-04 04:30:14
● 2026-09-18 02:00:04

●MXroute3.mx.cloudflare.net2026-09-04 → 2026-09-18 · 2 obs

● 2026-09-04 04:30:14
● 2026-09-18 02:00:04

●A104.21.89.762026-09-04 → 2026-09-18 · 3 obs

○ 2026-09-04 04:30:14
● 2026-09-04 12:59:06
● 2026-09-18 02:00:04

●A172.67.156.2462026-09-04 → 2026-09-18 · 3 obs

○ 2026-09-04 04:30:14
● 2026-09-04 12:59:06
● 2026-09-18 02:00:04

○A188.114.96.02026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 04:30:14
○ 2026-09-04 12:59:06
○ 2026-09-18 02:00:04

○A188.114.97.02026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 04:30:14
○ 2026-09-04 12:59:06
○ 2026-09-18 02:00:04

●A2606:4700:3033::6815:594c2026-09-04 → 2026-09-18 · 3 obs

○ 2026-09-04 04:30:14
● 2026-09-04 12:59:06
● 2026-09-18 02:00:04

●A2606:4700:3037::ac43:9cf62026-09-04 → 2026-09-18 · 3 obs

○ 2026-09-04 04:30:14
● 2026-09-04 12:59:06
● 2026-09-18 02:00:04

○A2a06:98c1:3120::2026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 04:30:14
○ 2026-09-04 12:59:06
○ 2026-09-18 02:00:04

○A2a06:98c1:3121::2026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 04:30:14
○ 2026-09-04 12:59:06
○ 2026-09-18 02:00:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
corstack.dev	abby.ns.cloudflare.com, lynn.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.201

NS records: abby.ns.cloudflare.com, lynn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corstack.dev (unsigned zone)

⏱️ Timing

Total: 832ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.156.246, 104.21.89.76`
AAAA	2	`2606:4700:3033::6815:594c, 2606:4700:3037::ac43:9cf6`
NS	2	`abby.ns.cloudflare.com, lynn.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 16), route2.mx.cloudflare.net (pri: 71)...`
TXT	2	`google-site-verification=6SCPEI7ruZFkLS5, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

corstack.dev directs to four IP numbers, which are 104.21.89.76, 172.67.156.246, 2606:4700:3033::6815:594c and 2606:4700:3037::ac43:9cf6.

Name Servers

corstack.dev is served by two delegated name servers, abby.ns.cloudflare.com and lynn.ns.cloudflare.com.

Mail Servers

The MX records for corstack.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

corstack.dev - robtex.com

corstack.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`corstack.dev`

`dev`