postgresqltutorial.com - robtex.com

postgresqltutorial.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:cd29🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3d16🇺🇸 Cloudflare2606:4700:3036::/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 ⭐
A2606:4700:50::adf5:3a4f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcandy.ns.cloudflare.com
A2803:f800:50::6ca2:c04f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcandy.ns.cloudflare.com
A2a06:98c1:50::ac40:204f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcandy.ns.cloudflare.com
A108.162.192.79🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcandy.ns.cloudflare.com
A172.64.32.79🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcandy.ns.cloudflare.com
A173.245.58.79🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcandy.ns.cloudflare.com
NSgerald.ns.cloudflare.com
A2606:4700:58::adf5:3ba8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A2803:f800:50::6ca2:c1a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgerald.ns.cloudflare.com
A2a06:98c1:50::ac40:21a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgerald.ns.cloudflare.com
A108.162.193.168🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A172.64.33.168🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A173.245.59.168🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.22, 172.67.205.41
IPv6 hints2606:4700:3035::ac43:cd29, 2606:4700:3036::6815:3d16
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOAcandy.ns.cloudflare.comdns@cloudflare.com serial=2405913306

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784079662
rank #113079 globally
rank #51201 in the tld
📈 Tranco rank: #437,633

Previously MX for

www.postgresqltutorial.com
postgresqltutorial.com

Subdomains

www.postgresqltutorial.com

Same first word

postgresqltutorial.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NScandy.ns.cloudflare.comgerald.ns.cloudflare.comns1325.hostgator.comns1326.hostgator.comns6309.hostgator.comMXpostgresqltutorial.comA104.21.61.22172.67.205.412606:4700:3035::ac43:cd292606:4700:3036::6815:3d16192.254.185.1822606:4700:3030::6815:3d162606:4700:3031::ac43:cd29
●NScandy.ns.cloudflare.com2026-02-20 → 2026-07-15 · 3 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-07-15 01:49:14
●NSgerald.ns.cloudflare.com2026-02-20 → 2026-07-15 · 3 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-07-15 01:49:14
○NSns1325.hostgator.com2015-07-09 → 2017-06-12 · 4 obs
● 2015-07-09 01:28:04
● 2017-06-12 13:23:12
○ 2026-02-20 13:11:10
○ 2026-07-15 01:49:14
○NSns1326.hostgator.com2015-07-09 → 2017-06-12 · 4 obs
● 2015-07-09 01:28:04
● 2017-06-12 13:23:12
○ 2026-02-20 13:11:10
○ 2026-07-15 01:49:14
○NSns6309.hostgator.com2015-07-09 → 2017-06-12 · 4 obs
● 2015-07-09 01:28:04
● 2017-06-12 13:23:12
○ 2026-02-20 13:11:10
○ 2026-07-15 01:49:14
○MXpostgresqltutorial.com2015-07-09 → 2017-06-12 · 4 obs
● 2015-07-09 01:28:04
● 2017-06-12 13:23:12
○ 2026-02-20 13:11:10
○ 2026-07-15 01:49:14
●A104.21.61.222026-02-20 → 2026-07-15 · 3 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-07-15 01:49:14
●A172.67.205.412026-02-20 → 2026-07-15 · 3 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-07-15 01:49:14
○A192.254.185.1822015-07-09 → 2017-06-12 · 4 obs
● 2015-07-09 01:28:04
● 2017-06-12 13:23:12
○ 2026-02-20 13:11:10
○ 2026-07-15 01:49:14
○A2606:4700:3030::6815:3d162026-02-20 → 2026-06-08 · 4 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-06-08 18:05:02
○ 2026-07-15 01:49:14
○A2606:4700:3031::ac43:cd292026-02-20 → 2026-06-08 · 4 obs
○ 2017-06-12 13:23:12
● 2026-02-20 13:11:10
● 2026-06-08 18:05:02
○ 2026-07-15 01:49:14
●A2606:4700:3035::ac43:cd292026-07-15 → 2026-07-15 · 2 obs
○ 2026-06-08 18:05:02
● 2026-07-15 01:49:14
●A2606:4700:3036::6815:3d162026-07-15 → 2026-07-15 · 2 obs
○ 2026-06-08 18:05:02
● 2026-07-15 01:49:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
postgresqltutorial.comcandy.ns.cloudflare.com, gerald.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.168

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: 227ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.22, 172.67.205.41
AAAA22606:4700:3036::6815:3d16, 2606:4700:3035::ac43:cd29
NS2candy.ns.cloudflare.com, gerald.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1candy.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

postgresqltutorial.com serves as the parent of www.postgresqltutorial.com.

IP Addresses

postgresqltutorial.com resolves to four IP addresses: 104.21.61.22, 172.67.205.41, 2606:4700:3035::ac43:cd29 and 2606:4700:3036::6815:3d16.

Two other host names, along with geotayo.com, zenithmoduleflow.digital and mmsing.com, also share IP numbers with postgresqltutorial.com.

Name Servers

The NS records for postgresqltutorial.com delegate to candy.ns.cloudflare.com and gerald.ns.cloudflare.com.

postgresqltutorial.com shares its NS records with other domains, for example lemonpot.com, xirevalonith.com, lemonpot.cl and two others.

postgresqltutorial.com has at least partial name server overlap with other domains, such as zwdata.com, tjcxg.com, travelomile.com and two others.

It is common to find these name servers paired with the name servers henry.ns.cloudflare.com, sharon.ns.cloudflare.com, andy.ns.cloudflare.com and julio.ns.cloudflare.com.

DNS names with 6 IP addresses:

candy.ns.cloudflare.com maps to 108.162.192.79, 172.64.32.79, 173.245.58.79 and 3 additional IP addresses.

gerald.ns.cloudflare.com maps to 108.162.193.168, 172.64.33.168, 173.245.59.168 and 3 additional IP addresses.