`professorrobinson.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
NS	`nsc1.squarespacedns.com` ⭐
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`nsc2.squarespacedns.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`nsc3.squarespacedns.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`nsc4.squarespacedns.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/2, HTTP/1.1 ✓ hints match
		IPv4 hints	198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOA	`nsc1.squarespacedns.com`cloud-dns-hostmaster@google.com serial=1

`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=1785346632

Subdomains

www.professorrobinson.com

Same first word

professorrobinson.com

DNS History

23 records (8 active, 15 former)

○NSdns035.b.register.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○NSdns081.c.register.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○NSdns170.a.register.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○NSdns177.d.register.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

●NSnsc1.squarespacedns.com2026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●NSnsc2.squarespacedns.com2026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●NSnsc3.squarespacedns.com2026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●NSnsc4.squarespacedns.com2026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

○NSsk.s5.ans1.ns148.ztomy.com2016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-26 20:41:18
● 2016-06-27 00:01:44
○ 2017-03-17 11:12:38
○ 2026-07-29 17:56:02

○NSsk.s5.ans2.ns148.ztomy.com2016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-26 20:41:18
● 2016-06-27 00:01:44
○ 2017-03-17 11:12:38
○ 2026-07-29 17:56:02

○MXalt1.aspmx.l.google.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXalt2.aspmx.l.google.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXaspmx.l.google.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXaspmx2.googlemail.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXaspmx3.googlemail.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXaspmx4.googlemail.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○MXaspmx5.googlemail.com2015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

●A198.185.159.1442026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●A198.185.159.1452026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●A198.49.23.1442026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

●A198.49.23.1452026-07-22 → 2026-07-29 · 3 obs

○ 2017-03-17 11:12:38
● 2026-07-22 10:22:36
● 2026-07-29 17:56:02

○A199.34.228.442015-07-17 → 2016-02-26 · 4 obs

● 2015-07-17 00:09:00
● 2016-02-26 20:41:18
○ 2016-06-27 00:01:44
○ 2026-07-29 17:56:02

○A208.91.197.462016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-26 20:41:18
● 2016-06-27 00:01:44
○ 2017-03-17 11:12:38
○ 2026-07-29 17:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
professorrobinson.com	nsc1.squarespacedns.com, nsc2.squarespacedns.com, nsc3.squarespacedns.com, nsc4.squarespacedns.com	4 records

✅ Authoritative Response

Server:216.239.36.108

NS records: nsc1.squarespacedns.com, nsc2.squarespacedns.com, nsc3.squarespacedns.com, nsc4.squarespacedns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1536ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.145, 198.49.23.145...`
NS	4	`nsc3.squarespacedns.com, nsc1.squarespacedns.com...`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`nsc1.squarespacedns.com cloud-dns-hostma`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsc1.squarespacedns.com, nsc2.squarespacedns.com, nsc3.squarespacedns.com...)

Analysis

Hierarchy

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

IP Addresses

professorrobinson.com resolves to four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

arkjudo.com, househax.com, katelynnelsonhair.com plus two other host names have IP numbers in common with professorrobinson.com.

Name Servers

Four name servers handle the delegation for professorrobinson.com: nsc1.squarespacedns.com, nsc2.squarespacedns.com, nsc3.squarespacedns.com and nsc4.squarespacedns.com.

professorrobinson.com has at least partial name server overlap with other domains, such as care-by-claudette.com, meetingne.com, fabrikadesignstudio.com and two others.

Four host names, each with one IP address: nsc1.squarespacedns.com has 216.239.32.108, nsc2.squarespacedns.com has 216.239.34.108, nsc3.squarespacedns.com has 216.239.36.108 and nsc4.squarespacedns.com has 216.239.38.108.

professorrobinson.com - robtex.com