🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`duncandiagnostics.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	`nsa1.squarespacedns.com` ⭐
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`nsa2.squarespacedns.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`nsa3.squarespacedns.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`nsa4.squarespacedns.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~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	`nsa1.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=1786938804

Same first word

duncandiagnostics.com

DNS History

9 records (9 active, 0 former)

●NSnsa1.squarespacedns.com2026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●NSnsa2.squarespacedns.com2026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●NSnsa3.squarespacedns.com2026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●NSnsa4.squarespacedns.com2026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●MXsmtp.google.com2026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●A198.185.159.1442026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●A198.185.159.1452026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●A198.49.23.1442026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

●A198.49.23.1452026-08-13 → 2026-08-17 · 2 obs

● 2026-08-13 00:46:58
● 2026-08-17 04:01:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duncandiagnostics.com	nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com, nsa4.squarespacedns.com	4 records

✅ Authoritative Response

Server:216.239.32.106

NS records: nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com, nsa4.squarespacedns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 449ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.49.23.145, 198.185.159.144...`
NS	4	`nsa4.squarespacedns.com, nsa2.squarespacedns.com...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`nsa1.squarespacedns.com cloud-dns-hostma`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com...)

Analysis

IP Addresses

duncandiagnostics.com directs to four IP numbers, which are 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Among the host names that share IP numbers with duncandiagnostics.com are harboursurfboards.com, vlopestherapy.com, letsmargo.com and two others.

Name Servers

The domain duncandiagnostics.com is delegated to these four name servers: nsa1.squarespacedns.com, nsa2.squarespacedns.com, nsa3.squarespacedns.com and nsa4.squarespacedns.com.

At least some of duncandiagnostics.com's name servers are shared with other domains, for example back-office.com.mx, profuturocolombia.com, stillwaters503.com and two more.

nsa1.squarespacedns.com resolves to 216.239.32.106. nsa2.squarespacedns.com resolves to 216.239.34.106. nsa3.squarespacedns.com resolves to 216.239.36.106. nsa4.squarespacedns.com resolves to 216.239.38.106. All four hosts carry exactly one IP address.

Mail Servers

duncandiagnostics.com routes its mail through a single mail server, smtp.google.com.

duncandiagnostics.com has the same mail server arrangement as a number of other domains, for example gxsnmp.org, ksilab.com, regja.com and two more.

duncandiagnostics.com shares at least some of its mail servers with other domains — for example comasa.com.gt, souzadaniel.com, kosmoscentral.com and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.

smtp.google.com directs to 9 IP numbers, including 142.251.16.27, 142.251.111.26 and 172.253.63.26, along with 6 other.

duncandiagnostics.com - robtex.com