stackclock.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackclock.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4ac3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a264^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.74.195^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.100^{Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c16d^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:216d^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.109^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.109^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.109^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:1017::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcdfwlf-in-f27.1e100.net`
		A	173.194.208.26^{🇺🇸 Google173.194.208.0/24}
			PTR	`ql-in-f26.1e100.net`
			PTR	`yudfwnl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.27^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yumciex-in-f26.1e100.net`
		A	142.250.100.26^{🇺🇸 Google142.250.0.0/15}
			PTR	`yumciex-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0f::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuckvax-in-f27.1e100.net`
		A	172.253.149.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yuckvax-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f27.1e100.net`
		A	142.250.96.26^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f26.1e100.net`
TXT	`google-site-verification=8nY_-BmaGqQzARr0sgcdjfBqvexhDoVRasP8tyrpJ4M`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.74.195, 172.67.162.100
		IPv6 hints	2606:4700:3035::6815:4ac3, 2606:4700:3035::ac43:a264
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2417194433

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

stackclock.xyz

stackclock.app

Similar names

clockstack.xyz

clockstack.app

stockclack.xyz

clockstack.com

clackstock.xyz

DNS History

11 records (11 active, 0 former)

●NSdave.ns.cloudflare.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●NSulla.ns.cloudflare.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●MXalt1.aspmx.l.google.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●MXalt2.aspmx.l.google.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●MXalt3.aspmx.l.google.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●MXalt4.aspmx.l.google.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●MXaspmx.l.google.com2026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●A104.21.74.1952026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●A172.67.162.1002026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●A2606:4700:3035::6815:4ac32026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

●A2606:4700:3035::ac43:a2642026-10-03 → 2026-10-15 · 2 obs

● 2026-10-03 22:26:26
● 2026-10-15 10:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
stackclock.app	ulla.ns.cloudflare.com, dave.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.233

NS records: ulla.ns.cloudflare.com, dave.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackclock.app (unsigned zone)

⏱️ Timing

Total: 2126ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.162.100, 104.21.74.195`
AAAA	2	`2606:4700:3035::ac43:a264, 2606:4700:3035::6815:4ac3`
NS	2	`dave.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=8nY_-BmaGqQzARr, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

stackclock.app points to the four IP addresses 104.21.74.195, 172.67.162.100, 2606:4700:3035::6815:4ac3 and 2606:4700:3035::ac43:a264.

Name Servers

stackclock.app uses two name servers for its delegation: dave.ns.cloudflare.com and ulla.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.

Hostname ulla.ns.cloudflare.com directs to 108.162.192.233, 172.64.32.233 and 173.245.58.233 along with 3 other IP addresses.

Mail Servers

stackclock.app has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 173.194.208.26 and 2607:f8b0:4023:1017::1b.

alt1.aspmx.l.google.com directs traffic to 142.251.96.27 and 2607:f8b0:4003:c4a::1a.

alt2.aspmx.l.google.com directs traffic to 142.250.100.26 and 2607:f8b0:4023:3801::1a.

alt3.aspmx.l.google.com directs traffic to 172.253.149.26 and 2607:f8b0:4024:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 142.250.96.26 and 2607:f8b0:4023:403::1b.