postgresqltutorial.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`postgresqltutorial.dev`

DNSSEC	⚠️ Not signed
A	66.33.60.193^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.241^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`christina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
NS	`neil.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`neil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`neil.ns.cloudflare.com`
		A	108.162.193.211^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	172.64.33.211^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	173.245.59.211^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2414383331

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Same first word

postgresqltutorial.com

postgresqltutorial.dev

Previous names

Next names

DNS History

12 records (4 active, 8 former)

●NSchristina.ns.cloudflare.com2026-09-09 → 2026-09-13 · 2 obs

● 2026-09-09 09:05:48
● 2026-09-13 12:45:42

●NSneil.ns.cloudflare.com2026-09-09 → 2026-09-13 · 2 obs

● 2026-09-09 09:05:48
● 2026-09-13 12:45:42

○A66.33.60.1302026-09-10 → 2026-09-10 · 4 obs

○ 2026-09-09 09:05:48
● 2026-09-10 04:27:30
○ 2026-09-10 05:23:50
○ 2026-09-13 12:45:42

●A66.33.60.1932026-09-12 → 2026-09-13 · 3 obs

○ 2026-09-12 00:44:56
● 2026-09-12 07:07:54
● 2026-09-13 12:45:42

○A66.33.60.1942026-09-11 → 2026-09-11 · 4 obs

○ 2026-09-10 14:35:48
● 2026-09-11 09:09:10
○ 2026-09-12 00:44:56
○ 2026-09-13 12:45:42

○A66.33.60.342026-09-09 → 2026-09-12 · 7 obs

● 2026-09-09 09:05:48
○ 2026-09-10 04:27:30
● 2026-09-10 14:35:48
○ 2026-09-11 09:09:10
● 2026-09-12 00:44:56
○ 2026-09-12 07:07:54
○ 2026-09-13 12:45:42

○A66.33.60.352026-09-10 → 2026-09-10 · 4 obs

○ 2026-09-10 04:27:30
● 2026-09-10 05:23:50
○ 2026-09-10 14:35:48
○ 2026-09-13 12:45:42

○A76.76.21.1232026-09-10 → 2026-09-10 · 4 obs

○ 2026-09-10 04:27:30
● 2026-09-10 05:23:50
○ 2026-09-10 14:35:48
○ 2026-09-13 12:45:42

○A76.76.21.1642026-09-09 → 2026-09-12 · 7 obs

● 2026-09-09 09:05:48
○ 2026-09-10 04:27:30
● 2026-09-10 14:35:48
○ 2026-09-11 09:09:10
● 2026-09-12 00:44:56
○ 2026-09-12 07:07:54
○ 2026-09-13 12:45:42

●A76.76.21.2412026-09-12 → 2026-09-13 · 3 obs

○ 2026-09-12 00:44:56
● 2026-09-12 07:07:54
● 2026-09-13 12:45:42

○A76.76.21.612026-09-10 → 2026-09-10 · 4 obs

○ 2026-09-09 09:05:48
● 2026-09-10 04:27:30
○ 2026-09-10 05:23:50
○ 2026-09-13 12:45:42

○A76.76.21.932026-09-11 → 2026-09-11 · 4 obs

○ 2026-09-10 14:35:48
● 2026-09-11 09:09:10
○ 2026-09-12 00:44:56
○ 2026-09-13 12:45:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
postgresqltutorial.dev	christina.ns.cloudflare.com, neil.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.211

NS records: christina.ns.cloudflare.com, neil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postgresqltutorial.dev (unsigned zone)

⏱️ Timing

Total: 925ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.33.60.35, 76.76.21.123`
NS	2	`christina.ns.cloudflare.com, neil.ns.cloudflare.com`
SOA	1	`christina.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

postgresqltutorial.dev resolves to the IP addresses 66.33.60.193 and 76.76.21.241

Among the host names that share IP numbers with postgresqltutorial.dev are ai4managers.net, redeyemedia.design, barretanspach.com and two others.

Name Servers

DNS delegation for postgresqltutorial.dev points to two name servers: christina.ns.cloudflare.com and neil.ns.cloudflare.com.

postgresqltutorial.dev has the same name server delegation as a number of other domains, such as shivomsolutionsllc.workers.dev, metaz.io, theo-tutor.pages.dev and two more.

postgresqltutorial.dev has at least partial name server overlap with other domains, such as micheckyourheart.com, dwellstream.com, lxx52.eu.org and two others.

It is common to find these name servers paired with the name servers mitchell.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

christina.ns.cloudflare.com has IP addresses 108.162.194.193, 162.159.38.193 and 172.64.34.193, plus 3 other.

neil.ns.cloudflare.com has IP addresses 108.162.193.211, 172.64.33.211 and 173.245.59.211, plus 3 other.