🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`csslab.app`

DNSSEC	⚠️ Not signed
A	66.33.60.129^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.22^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`kristin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
NS	`lars.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lars.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lars.ns.cloudflare.com`
		A	108.162.193.195^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	172.64.33.195^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
		A	173.245.59.195^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lars.ns.cloudflare.com`
TXT	`google-site-verification=zm_782F0uR1NbkgPJE3KVT94WTKgQxEeAjw0sYPWdWo`
SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2414085586

`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)

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DNS History

6 records (4 active, 2 former)

●NSkristin.ns.cloudflare.com2026-09-06 → 2026-09-14 · 2 obs

● 2026-09-06 03:21:50
● 2026-09-14 06:08:38

●NSlars.ns.cloudflare.com2026-09-06 → 2026-09-14 · 2 obs

● 2026-09-06 03:21:50
● 2026-09-14 06:08:38

●A66.33.60.1292026-09-14 → 2026-09-14 · 3 obs

○ 2026-09-06 03:21:50
● 2026-09-14 06:08:36
● 2026-09-14 06:08:38

○A66.33.60.1942026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:21:50
○ 2026-09-14 06:08:36
○ 2026-09-14 06:08:38

●A76.76.21.222026-09-14 → 2026-09-14 · 3 obs

○ 2026-09-06 03:21:50
● 2026-09-14 06:08:36
● 2026-09-14 06:08:38

○A76.76.21.932026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:21:50
○ 2026-09-14 06:08:36
○ 2026-09-14 06:08:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
csslab.app	lars.ns.cloudflare.com, kristin.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.181

NS records: lars.ns.cloudflare.com, kristin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csslab.app (unsigned zone)

⏱️ Timing

Total: 2425ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.76.21.123, 66.33.60.35`
NS	2	`kristin.ns.cloudflare.com, lars.ns.cloudflare.com`
TXT	1	`google-site-verification=zm_782F0uR1Nbkg`
SOA	1	`kristin.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

csslab.app points to the IP addresses 66.33.60.129 and 76.76.21.22

nmsdvid.com, insum.hr, instrucai.com plus two other host names have IP numbers in common with csslab.app.

Name Servers

csslab.app uses two name servers for its delegation: kristin.ns.cloudflare.com and lars.ns.cloudflare.com.

The name server configuration of csslab.app is shared with other domains, for instance gu3310504973.workers.dev, kipgroup.eu, s1monsays.com and two others.

There is at least partial name server overlap between csslab.app and other domains — mysecondmarriage.com, developer-64a.workers.dev, livebait.com.tr and two more among them.

These name servers frequently co-occur with the name servers uma.ns.cloudflare.com and marlowe.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname kristin.ns.cloudflare.com directs to 108.162.192.181, 172.64.32.181 and 173.245.58.181 along with 3 other IP addresses.

Hostname lars.ns.cloudflare.com directs to 108.162.193.195, 172.64.33.195 and 173.245.59.195 along with 3 other IP addresses.

csslab.app - robtex.com

csslab.app

app