tutorialreference.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`tutorialreference.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d4f0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2323^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.35^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.240^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`oswald.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bda^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oswald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oswald.ns.cloudflare.com`
		A	108.162.193.218^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	172.64.33.218^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	173.245.59.218^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
TXT	`google-site-verification=4TqeBZVhkefE17UtVuy0q103lROYsg2a53Bzv1YWBw8`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.35, 172.67.212.240
		IPv6 hints	2606:4700:3034::ac43:d4f0, 2606:4700:3037::6815:2323
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2412973807

`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=1787960525

Subdomains

www.tutorialreference.com

Same first word

tutorialreference.com

Previous names

Next names

DNS History

7 records (6 active, 1 former)

●NSkay.ns.cloudflare.com2026-02-15 → 2026-08-28 · 2 obs

● 2026-02-15 05:37:22
● 2026-08-28 23:47:54

●NSoswald.ns.cloudflare.com2026-02-15 → 2026-08-28 · 2 obs

● 2026-02-15 05:37:22
● 2026-08-28 23:47:54

●A104.21.35.352026-02-15 → 2026-08-28 · 2 obs

● 2026-02-15 05:37:22
● 2026-08-28 23:47:54

●A172.67.212.2402026-02-15 → 2026-08-28 · 2 obs

● 2026-02-15 05:37:22
● 2026-08-28 23:47:54

○A2606:4700:3034::6815:23232026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 05:37:22
○ 2026-07-08 09:17:16
○ 2026-08-28 23:47:54

●A2606:4700:3034::ac43:d4f02026-02-15 → 2026-08-28 · 2 obs

● 2026-02-15 05:37:22
● 2026-08-28 23:47:54

●A2606:4700:3037::6815:23232026-07-08 → 2026-08-28 · 3 obs

○ 2026-02-15 05:37:22
● 2026-07-08 09:17:16
● 2026-08-28 23:47:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tutorialreference.com	kay.ns.cloudflare.com, oswald.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.218

NS records: kay.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialreference.com (unsigned zone)

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.240, 104.21.35.35`
AAAA	2	`2606:4700:3037::6815:2323, 2606:4700:3034::ac43:d4f0`
NS	2	`kay.ns.cloudflare.com, oswald.ns.cloudflare.com`
TXT	1	`google-site-verification=4TqeBZVhkefE17U`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.tutorialreference.com is a subdomain of tutorialreference.com.

IP Addresses

tutorialreference.com points to the four IP addresses 104.21.35.35, 172.67.212.240, 2606:4700:3034::ac43:d4f0 and 2606:4700:3037::6815:2323.

Among the host names that share IP numbers with tutorialreference.com are domainip.com, shockproof.co.uk, albawaba24.com and two others.

Name Servers

tutorialreference.com has two authoritative name servers — kay.ns.cloudflare.com and oswald.ns.cloudflare.com.

tutorialreference.com has the same name server delegation as a number of other domains, such as sell-better.pl, grantparkevents.com, finanzwerkzeuge.de and two more.

The name servers of tutorialreference.com overlap at least partially with those of other domains — among them looklovelylondon.co.uk, jankrum.com, moblem.com and two more.

Host names resolving to 6 IP numbers:

kay.ns.cloudflare.com points to 108.162.192.125, 172.64.32.125, 173.245.58.125 and 3 other IP addresses.

oswald.ns.cloudflare.com points to 108.162.193.218, 172.64.33.218, 173.245.59.218 and 3 other IP addresses.