`cambridgeboard.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3a66^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f01^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.102^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.1^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`colin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colin.ns.cloudflare.com`
		A	108.162.195.75^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	162.159.44.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	172.64.35.75^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=TkdYdSkXtyqWh1rbRLr-nC9fPlzu1OBasOG0lyVyqCY`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.102, 172.67.159.1
		IPv6 hints	2606:4700:3031::6815:3a66, 2606:4700:3037::ac43:9f01
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com
SOA	`colin.ns.cloudflare.com`dns@cloudflare.com serial=2407960615

`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=1784679242

Same first word

cambridgeboard.com

DNS History

11 records (8 active, 3 former)

●NScolin.ns.cloudflare.com2026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●NSmary.ns.cloudflare.com2026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

○NSns1.dns-parking.com2026-07-08 → 2026-07-22 · 2 obs

○ 2026-07-08 11:26:18
○ 2026-07-22 00:29:20

○NSns2.dns-parking.com2026-07-08 → 2026-07-22 · 2 obs

○ 2026-07-08 11:26:18
○ 2026-07-22 00:29:20

●MXmx1.hostinger.com2026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●MXmx2.hostinger.com2026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●A104.21.58.1022026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●A172.67.159.12026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●A2606:4700:3031::6815:3a662026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

●A2606:4700:3037::ac43:9f012026-07-08 → 2026-07-22 · 2 obs

● 2026-07-08 11:26:18
● 2026-07-22 00:29:20

○A92.113.27.362026-07-08 → 2026-07-22 · 2 obs

○ 2026-07-08 11:26:18
○ 2026-07-22 00:29:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
cambridgeboard.com	mary.ns.cloudflare.com, colin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.75

NS records: mary.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgeboard.com (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.1, 104.21.58.102`
AAAA	2	`2606:4700:3031::6815:3a66, 2606:4700:3037::ac43:9f01`
NS	2	`colin.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	2	`google-site-verification=TkdYdSkXtyqWh1r, v=spf1 include:_spf.mail.hostinger.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`colin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cambridgeboard.com directs to four IP numbers, which are 104.21.58.102, 172.67.159.1, 2606:4700:3031::6815:3a66 and 2606:4700:3037::ac43:9f01.

hro.med.br, drweberforassembly.com, mohamedbitar.com plus two other host names have IP numbers in common with cambridgeboard.com.

Name Servers

cambridgeboard.com has two authoritative name servers — colin.ns.cloudflare.com and mary.ns.cloudflare.com.

The name servers for cambridgeboard.com are shared with other domains, such as cymbaldlts.com, larissaokolot.ru and whitetopcab.com.

The name servers of cambridgeboard.com overlap at least partially with those of other domains — among them originals.watch, apple109.com, pnfcares.net and two more.

These name servers tend to appear together with the name servers amanda.ns.cloudflare.com, noor.ns.cloudflare.com and jewel.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

colin.ns.cloudflare.com points to 108.162.195.75, 162.159.44.75, 172.64.35.75 and 3 other IP addresses.

mary.ns.cloudflare.com points to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 other IP addresses.

Mail Servers

cambridgeboard.com uses two mail servers, mx1.hostinger.com and mx2.hostinger.com.

The mail server setup of cambridgeboard.com matches that of other domains such as samnun.com, gogolwrap.com, childcaregoln.com and two others.

The mail servers of cambridgeboard.com overlap at least partially with those of other domains, including meetingjoin.com, lapexnw.com.tr and hidp.hr.

Both mx1.hostinger.com and mx2.hostinger.com point to 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f.

The host names mx1.hostinger.com and mx2.hostinger.com both resolve to 2606:4700:90:0:c1f8:f874:2386:b61f IP addresses.

The host names mx1.hostinger.com and mx2.hostinger.com both resolve to 172.65.182.103 IP addresses.

cambridgeboard.com - robtex.com