www.postgresqltutorial.com - robtex.com

www.postgresqltutorial.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3d16🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:cd29🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.22Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.41🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.22, 172.67.205.41
IPv6 hints2606:4700:3030::6815:3d16, 2606:4700:3031::ac43:cd29
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com

postgresqltutorial.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3d16🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:cd29🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.22Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.41🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScandy.ns.cloudflare.com ⭐
NSgerald.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.22, 172.67.205.41
IPv6 hints2606:4700:3030::6815:3d16, 2606:4700:3031::ac43:cd29
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOAcandy.ns.cloudflare.comdns@cloudflare.com serial=2400776332
rank #137353 globally
rank #55360 in the tld
📈 Tranco rank: #474,194

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DNS History

10 records (4 active, 6 former)

2017201820192020202120222023202420252026NSns1325.hostgator.comns1326.hostgator.comns6309.hostgator.comMXpostgresqltutorial.comA104.21.61.22172.67.205.412606:4700:3030::6815:3d162606:4700:3031::ac43:cd29192.254.185.182CNAMEpostgresqltutorial.com
○NSns1325.hostgator.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54
○NSns1326.hostgator.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54
○NSns6309.hostgator.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54
○MXpostgresqltutorial.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54
●A104.21.61.222026-02-24 → 2026-05-09 · 3 obs
○ 2016-12-28 16:55:56
● 2026-02-24 06:55:58
● 2026-05-09 19:17:54
●A172.67.205.412026-02-24 → 2026-05-09 · 3 obs
○ 2016-12-28 16:55:56
● 2026-02-24 06:55:58
● 2026-05-09 19:17:54
○A192.254.185.1822016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54
●A2606:4700:3030::6815:3d162026-02-24 → 2026-05-09 · 3 obs
○ 2016-12-28 16:55:56
● 2026-02-24 06:55:58
● 2026-05-09 19:17:54
●A2606:4700:3031::ac43:cd292026-02-24 → 2026-05-09 · 3 obs
○ 2016-12-28 16:55:56
● 2026-02-24 06:55:58
● 2026-05-09 19:17:54
○CNAMEpostgresqltutorial.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 16:55:56
○ 2026-02-24 06:55:58
○ 2026-05-09 19:17:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
postgresqltutorial.comcandy.ns.cloudflare.com, gerald.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.79

NS records: candy.ns.cloudflare.com, gerald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postgresqltutorial.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.41, 104.21.61.22
AAAA22606:4700:3030::6815:3d16, 2606:4700:3031::ac43:cd29
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.postgresqltutorial.com resolves to four IPs: 2606:4700:3030::6815:3d16, 2606:4700:3031::ac43:cd29, 104.21.61.22 and 172.67.205.41.

Other host names such as bdotmedia.com, decder.com, lcoe-defender.pro, arabblind.org and www.mwhb.shop share IP numbers with www.postgresqltutorial.com.