masteringpostgres.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`masteringpostgres.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9b5e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:70e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.14^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.94^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`huxley.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`huxley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`huxley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`huxley.ns.cloudflare.com`
		A	108.162.195.188^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`huxley.ns.cloudflare.com`
		A	162.159.44.188^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`huxley.ns.cloudflare.com`
		A	172.64.35.188^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`huxley.ns.cloudflare.com`
NS	`simone.ns.cloudflare.com`
		A	2606:4700:50::a29f:261a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`simone.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`simone.ns.cloudflare.com`
		A	108.162.194.26^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	162.159.38.26^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
		A	172.64.34.26^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simone.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=zi39utbPaWwMq3BZ5vAEKMZdNoVu24iqhjujNEMGKGM`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.14, 172.67.155.94
		IPv6 hints	2606:4700:3030::ac43:9b5e, 2606:4700:3037::6815:70e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOA	`huxley.ns.cloudflare.com`dns@cloudflare.com serial=2414276199

`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=1791361739

Same first word

masteringpostgres.com

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NShuxley.ns.cloudflare.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●NSsimone.ns.cloudflare.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●MXalt1.aspmx.l.google.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●MXalt2.aspmx.l.google.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●MXalt3.aspmx.l.google.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●MXalt4.aspmx.l.google.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●MXaspmx.l.google.com2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●A104.21.7.142026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●A172.67.155.942026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●A2606:4700:3030::ac43:9b5e2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

●A2606:4700:3037::6815:70e2026-08-27 → 2026-10-07 · 2 obs

● 2026-08-27 01:36:32
● 2026-10-07 08:50:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
masteringpostgres.com	simone.ns.cloudflare.com, huxley.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.26

NS records: simone.ns.cloudflare.com, huxley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringpostgres.com (unsigned zone)

⏱️ Timing

Total: 459ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.94, 104.21.7.14`
AAAA	2	`2606:4700:3030::ac43:9b5e, 2606:4700:3037::6815:70e`
NS	2	`huxley.ns.cloudflare.com, simone.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=zi39utbPaWwMq3B, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`huxley.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

masteringpostgres.com points to the four IP addresses 104.21.7.14, 172.67.155.94, 2606:4700:3030::ac43:9b5e and 2606:4700:3037::6815:70e.

Additional host names — *.bluemutiny.com, khuongphuc.vn, jackpot-joy-land.xyz and two others — share IP numbers with masteringpostgres.com.

Name Servers

DNS delegation for masteringpostgres.com points to two name servers: huxley.ns.cloudflare.com and simone.ns.cloudflare.com.

masteringpostgres.com shares its name server setup with other domains, including 2411945499.workers.dev, rooppm.workers.dev, videoflare.app and two others.

There is at least partial name server overlap between masteringpostgres.com and other domains — prayersinrain.de, gkcxsz.pages.dev, zhulo-bitterorange.pages.dev and two more among them.

These name servers are routinely deployed together with the name servers byron.ns.cloudflare.com.

Host names with 6 IP numbers:

huxley.ns.cloudflare.com has IP addresses 108.162.195.188, 162.159.44.188 and 172.64.35.188, plus 3 other.

simone.ns.cloudflare.com has IP addresses 108.162.194.26, 162.159.38.26 and 172.64.34.26, plus 3 other.

Mail Servers

masteringpostgres.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

masteringpostgres.com shares mail servers — at least in part — with other domains, including jadecounselingcenter.com, czdesign.com, paupaupartners.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com has two IP addresses: 142.251.163.26 and 2607:f8b0:4004:c1f::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.