classictoolknowledge.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`classictoolknowledge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:93ec^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1cf6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.246^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.236^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mack.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c25^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c325^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2325^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mack.ns.cloudflare.com`
		A	108.162.195.37^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	162.159.44.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	172.64.35.37^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
NS	`sandy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandy.ns.cloudflare.com`
		A	108.162.192.219^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	172.64.32.219^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	173.245.58.219^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.246, 172.67.147.236
		IPv6 hints	2606:4700:3031::ac43:93ec, 2606:4700:3037::6815:1cf6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=138, name=cloudflare-ech.com
SOA	`mack.ns.cloudflare.com`dns@cloudflare.com serial=2418194521

`com`

	DNSSEC	⚠️ Not signed
	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=1794780528

Same first word

classictoolknowledge.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSmack.ns.cloudflare.com2026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

●NSsandy.ns.cloudflare.com2026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

●A104.21.28.2462026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

●A172.67.147.2362026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

●A2606:4700:3031::ac43:93ec2026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

●A2606:4700:3037::6815:1cf62026-10-23 → 2026-11-15 · 2 obs

● 2026-10-23 15:56:50
● 2026-11-15 22:35:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...	-
classictoolknowledge.com	sandy.ns.cloudflare.com, mack.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.37

NS records: sandy.ns.cloudflare.com, mack.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classictoolknowledge.com (unsigned zone)

⏱️ Timing

Total: 541ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.246, 172.67.147.236`
AAAA	2	`2606:4700:3031::ac43:93ec, 2606:4700:3037::6815:1cf6`
NS	2	`mack.ns.cloudflare.com, sandy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mack.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classictoolknowledge.com directs to four IP numbers, which are 104.21.28.246, 172.67.147.236, 2606:4700:3031::ac43:93ec and 2606:4700:3037::6815:1cf6.

petly.az, syjoz.cn, mail.taruhnfm.com and two other host names share IP numbers with classictoolknowledge.com.

Name Servers

classictoolknowledge.com has two authoritative name servers — mack.ns.cloudflare.com and sandy.ns.cloudflare.com.

classictoolknowledge.com uses the same name servers as several other domains — among them s55rtp.site, creodot-ai.pages.dev, dfw-c5b.workers.dev and two more.

The name servers of classictoolknowledge.com overlap at least partially with those of other domains — among them adhd-superpower.com, heidis-landhaus.ch, updhoannxe.biz.id and two more.

The name servers vivienne.ns.cloudflare.com, lovisa.ns.cloudflare.com and anastasia.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

mack.ns.cloudflare.com points to 108.162.195.37, 162.159.44.37, 172.64.35.37 and 3 other IP addresses.

sandy.ns.cloudflare.com points to 108.162.192.219, 172.64.32.219, 173.245.58.219 and 3 other IP addresses.