`sys-core-node-stack.co`

DNSSEC	⚠️ Not signed
A	104.21.25.115^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.49^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`damiete.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c20^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damiete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c320^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`damiete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2320^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`damiete.ns.cloudflare.com`
		A	108.162.195.32^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damiete.ns.cloudflare.com`
		A	162.159.44.32^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damiete.ns.cloudflare.com`
		A	172.64.35.32^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`damiete.ns.cloudflare.com`
NS	`kira.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kira.ns.cloudflare.com`
		A	108.162.194.197^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	162.159.38.197^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	172.64.34.197^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.115, 172.67.134.49
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`damiete.ns.cloudflare.com`dns@cloudflare.com serial=2404022845

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759657335

⚠️ On DNS blocklist: tif

Same first word

sys-core-node-stack.co

DNS History

4 records (4 active, 0 former)

●NSdamiete.ns.cloudflare.com2026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 03:43:20
● 2026-05-13 21:42:22

●NSkira.ns.cloudflare.com2026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 03:43:20
● 2026-05-13 21:42:22

●A104.21.25.1152026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 03:43:20
● 2026-05-13 21:42:22

●A172.67.134.492026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 03:43:20
● 2026-05-13 21:42:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
sys-core-node-stack.co	kira.ns.cloudflare.com, damiete.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.197

NS records: kira.ns.cloudflare.com, damiete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys-core-node-stack.co (unsigned zone)

⏱️ Timing

Total: 1319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.115, 172.67.134.49`
NS	2	`damiete.ns.cloudflare.com, kira.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`damiete.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

sys-core-node-stack.co points to two IPs: 104.21.25.115 and 172.67.134.49.

Other host names including www.corearth.com, 2d5f34d26761.love-fords.org, pawsitiveanimalworks.com, dmyld.com and 678tt.com share IP numbers with sys-core-node-stack.co.

Name Servers

sys-core-node-stack.co's delegation uses two name servers, damiete.ns.cloudflare.com and kira.ns.cloudflare.com.

sys-core-node-stack.co shares the same name server setup as other domains, for example quartzweide4.ru, cedarhollw.ru, cdaitg.com, ctovet.com and infra-point-bits-service-atlas.wiki.

sys-core-node-stack.co at least partially shares name servers with other domains, including yskhf.com, articlemerits.com, eflcafe.com, thc.tv and hotelredcastle.com.

these name servers are commonly used together with rohin.ns.cloudflare.com, blair.ns.cloudflare.com and aisha.ns.cloudflare.com.

Host names with six IP numbers:

damiete.ns.cloudflare.com points to: 2606:4700:58::a29f:2c20, 2803:f800:50::6ca2:c320, 2a06:98c1:50::ac40:2320, 108.162.195.32, 162.159.44.32 and 172.64.35.32.

kira.ns.cloudflare.com points to: 2606:4700:50::a29f:26c5, 2803:f800:50::6ca2:c2c5, 2a06:98c1:50::ac40:22c5, 108.162.194.197, 162.159.38.197 and 172.64.34.197.

sys-core-node-stack.co - robtex.com