gutenbergtutorials.com - dns.ninja

`gutenbergtutorials.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:22d^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9884^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.45^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.132^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`demi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
NS	`terry.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terry.ns.cloudflare.com`
		A	108.162.193.237^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	172.64.33.237^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	173.245.59.237^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.45, 172.67.152.132
		IPv6 hints	2606:4700:3033::6815:22d, 2606:4700:3036::ac43:9884
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOA	`demi.ns.cloudflare.com`dns@cloudflare.com serial=2406655064

`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=1786255694

Same first word

gutenbergtutorials.com

DNS History

19 records (6 active, 13 former)

●NSdemi.ns.cloudflare.com2026-02-16 → 2026-08-09 · 3 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-08-09 06:27:22

○NSns15.domaincontrol.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○NSns16.domaincontrol.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

●NSterry.ns.cloudflare.com2026-02-16 → 2026-08-09 · 3 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-08-09 06:27:22

●A104.21.2.452026-02-16 → 2026-08-09 · 3 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-08-09 06:27:22

●A172.67.152.1322026-02-16 → 2026-08-09 · 3 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-08-09 06:27:22

○A184.168.221.392018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A184.168.221.422018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A184.168.221.552018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A184.168.221.562018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A184.168.221.582018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A184.168.221.632018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A2606:4700:3032::6815:22d2026-02-16 → 2026-06-14 · 5 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-06-14 14:09:42
○ 2026-07-28 04:37:28
○ 2026-08-09 06:27:22

●A2606:4700:3033::6815:22d2026-07-28 → 2026-08-09 · 3 obs

○ 2026-06-14 14:09:42
● 2026-07-28 04:37:28
● 2026-08-09 06:27:22

○A2606:4700:3035::ac43:98842026-02-16 → 2026-06-14 · 5 obs

○ 2018-05-15 18:34:30
● 2026-02-16 13:20:26
● 2026-06-14 14:09:42
○ 2026-07-28 04:37:28
○ 2026-08-09 06:27:22

●A2606:4700:3036::ac43:98842026-07-28 → 2026-08-09 · 3 obs

○ 2026-06-14 14:09:42
● 2026-07-28 04:37:28
● 2026-08-09 06:27:22

○A50.63.202.352018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A50.63.202.362018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

○A50.63.202.562018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 18:34:30
○ 2026-02-16 13:20:26
○ 2026-08-09 06:27:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gutenbergtutorials.com	demi.ns.cloudflare.com, terry.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.237

NS records: demi.ns.cloudflare.com, terry.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gutenbergtutorials.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.2.45, 172.67.152.132`
AAAA	2	`2606:4700:3033::6815:22d, 2606:4700:3036::ac43:9884`
NS	2	`demi.ns.cloudflare.com, terry.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`demi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

gutenbergtutorials.com directs to four IP numbers, which are 104.21.2.45, 172.67.152.132, 2606:4700:3033::6815:22d and 2606:4700:3036::ac43:9884.

foodmenuprice.com, avm-rot.shop, yepo.com and two other host names share IP numbers with gutenbergtutorials.com.

Name Servers

gutenbergtutorials.com uses two name servers for its delegation: demi.ns.cloudflare.com and terry.ns.cloudflare.com.

gutenbergtutorials.com uses the same name servers as several other domains — among them reviewmeonline.com, canbikecanada.ca, exploretock.com and two more.

At least some of gutenbergtutorials.com's name servers are shared with other domains, for example austincoins.com, newroof.biz, zonyzf.com and two more.

These name servers are often deployed together with the name servers bill.ns.cloudflare.com, eoin.ns.cloudflare.com, brad.ns.cloudflare.com and woz.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname demi.ns.cloudflare.com directs to 108.162.192.95, 172.64.32.95 and 173.245.58.95 along with 3 other IP addresses.

Hostname terry.ns.cloudflare.com directs to 108.162.193.237, 172.64.33.237 and 173.245.59.237 along with 3 other IP addresses.