stackttek.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackttek.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:c22d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5495^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.149^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.45^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
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`
NS	`rita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rita.ns.cloudflare.com`
		A	108.162.192.140^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	172.64.32.140^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	173.245.58.140^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
TXT	`google-site-verification=a2ybszVOuejqNnYhbKUfX9WkVpTswIAk9Wyrp9faYFk`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.149, 172.67.194.45
		IPv6 hints	2606:4700:3035::ac43:c22d, 2606:4700:3037::6815:5495
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOA	`olof.ns.cloudflare.com`dns@cloudflare.com serial=2412258736

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1787765870

Same first word

stackttek.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSolof.ns.cloudflare.com2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

●NSrita.ns.cloudflare.com2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

●A104.21.84.1492026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

●A172.67.194.452026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

●A2606:4700:3035::ac43:c22d2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

●A2606:4700:3037::6815:54952026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 15:18:58
● 2026-08-26 17:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stackttek.com	rita.ns.cloudflare.com, olof.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.51

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackttek.com (unsigned zone)

⏱️ Timing

Total: 2555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.194.45, 104.21.84.149`
AAAA	2	`2606:4700:3035::ac43:c22d, 2606:4700:3037::6815:5495`
NS	2	`olof.ns.cloudflare.com, rita.ns.cloudflare.com`
TXT	1	`google-site-verification=a2ybszVOuejqNnY`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`olof.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rita.ns.cloudflare.com, rita.ns.cloudflare.com, rita.ns.cloudflare.com...)

Analysis

IP Addresses

stackttek.com has four IP addresses: 104.21.84.149, 172.67.194.45, 2606:4700:3035::ac43:c22d and 2606:4700:3037::6815:5495.

Two other host names, along with vega.com.vn, deconstructionscottage.shop and ruixiangzhiye.com, also share IP numbers with stackttek.com.

Name Servers

stackttek.com is served by two delegated name servers, olof.ns.cloudflare.com and rita.ns.cloudflare.com.

stackttek.com shares its NS records with other domains, for example gunsofflame527.workers.dev, albertogalan2898.workers.dev, markchanter.co.uk and two others.

stackttek.com shares at least some of its name servers with other domains, including gsigc.com, crafthqprocess.co, bsky-nightsky-7b6deb4ccfe8.pages.dev and two others.

These name servers are frequently seen alongside the name servers tim.ns.cloudflare.com.

DNS names with 6 IP addresses:

olof.ns.cloudflare.com carries IP addresses 108.162.195.51, 162.159.44.51 and 172.64.35.51, with 3 other addresses beyond those.

rita.ns.cloudflare.com carries IP addresses 108.162.192.140, 172.64.32.140 and 173.245.58.140, with 3 other addresses beyond those.