🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contractstack.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2eb9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8d61^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.185^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.97^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mcgrory.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2caa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mcgrory.ns.cloudflare.com`
		A	108.162.195.170^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	162.159.44.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	172.64.35.170^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
NS	`pearl.ns.cloudflare.com`
		A	2606:4700:50::a29f:268c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pearl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pearl.ns.cloudflare.com`
		A	108.162.194.140^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	162.159.38.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	172.64.34.140^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		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	`route1.mx.cloudflare.net`⁽²³⁾
		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	`route3.mx.cloudflare.net`⁽³⁵⁾
		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	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.185, 172.67.141.97
		IPv6 hints	2606:4700:3031::6815:2eb9, 2606:4700:3031::ac43:8d61
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com
SOA	`mcgrory.ns.cloudflare.com`dns@cloudflare.com serial=2416428143

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1794158407

Same first word

contractstack.xyz

contractstack.ai

contractstack.com

contractstack.io

Similar names

trackcontacts.com

contacttracks.com

stackcontract.com

trackcontacts.xyz

contactstackr.com

stackcontract.xyz

Previous names

Next names

DNS History

17 records (9 active, 8 former)

○NSdns1.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

○NSdns2.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

●NSmcgrory.ns.cloudflare.com2026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●NSpearl.ns.cloudflare.com2026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

○MXeforward1.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

○MXeforward2.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

○MXeforward3.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

○MXeforward4.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

○MXeforward5.registrar-servers.com2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

●MXroute1.mx.cloudflare.net2026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●MXroute2.mx.cloudflare.net2026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●MXroute3.mx.cloudflare.net2026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●A104.21.46.1852026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

○A116.203.148.1972026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 15:02:30
○ 2026-10-09 15:54:16
○ 2026-11-08 18:04:26

●A172.67.141.972026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●A2606:4700:3031::6815:2eb92026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

●A2606:4700:3031::ac43:8d612026-10-09 → 2026-11-08 · 3 obs

○ 2026-09-18 15:02:30
● 2026-10-09 15:54:16
● 2026-11-08 18:04:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
contractstack.io	mcgrory.ns.cloudflare.com, pearl.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.140

NS records: mcgrory.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractstack.io (unsigned zone)

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.141.97, 104.21.46.185`
AAAA	2	`2606:4700:3031::6815:2eb9, 2606:4700:3031::ac43:8d61`
NS	2	`mcgrory.ns.cloudflare.com, pearl.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 23), route3.mx.cloudflare.net (pri: 35)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mcgrory.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

contractstack.io points to the four IP addresses 104.21.46.185, 172.67.141.97, 2606:4700:3031::6815:2eb9 and 2606:4700:3031::ac43:8d61.

betzula.de, adsluser41-66-0-193.vipnet.ci, brahimcks.online and two other host names share IP numbers with contractstack.io.

Name Servers

Two name servers handle the delegation for contractstack.io: mcgrory.ns.cloudflare.com and pearl.ns.cloudflare.com.

contractstack.io uses the same name servers as several other domains — among them bouchetkevin44.workers.dev, rwxsoya70c.workers.dev, aiinwonderland.gr and two more.

At least some of contractstack.io's name servers are shared with other domains, for example thanhphuong.store, gagunowners.com, ttmk78eniyigs.pages.dev and two more.

It is common for these name servers to be used in conjunction with the name servers norm.ns.cloudflare.com, mike.ns.cloudflare.com and hal.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

mcgrory.ns.cloudflare.com resolves to 108.162.195.170, 162.159.44.170 and 172.64.35.170 among others, with 3 other IP addresses in total.

pearl.ns.cloudflare.com resolves to 108.162.194.140, 162.159.38.140 and 172.64.34.140 among others, with 3 other IP addresses in total.

Mail Servers

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

contractstack.io has at least partial mail server overlap with other domains such as coconutoilworks.com, taranggtejraj.com, dalmo.app and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

contractstack.io - robtex.com