`upperbound.ca`

DNSSEC	⚠️ Not signed
A	159.203.34.51^{🇨🇦 DIGITALOCEAN159.203.32.0/20 DigitalOcean}
		PTR	`upperbound.ca`
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=11

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2603242230

PTR for

51.34.203.159.in-addr.arpa

Same first word

upperbound.ca

DNS History

10 records (10 active, 0 former)

●NSns-cloud-c1.googledomains.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●NSns-cloud-c2.googledomains.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●NSns-cloud-c3.googledomains.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●NSns-cloud-c4.googledomains.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●MXalt1.aspmx.l.google.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●MXalt2.aspmx.l.google.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●MXalt3.aspmx.l.google.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●MXalt4.aspmx.l.google.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●MXaspmx.l.google.com2018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

●A159.203.34.512018-10-14 → 2026-03-24 · 2 obs

● 2018-10-14 17:59:24
● 2026-03-24 23:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	j.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, any.ca-servers.ca	-
upperbound.ca	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	-

✅ Authoritative Response

Server:216.239.34.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upperbound.ca (unsigned zone)

⏱️ Timing

Total: 554ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.203.34.51`
NS	4	`ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

Analysis

IP Addresses

upperbound.ca points to a single IP address: 159.203.34.51.

Name Servers

upperbound.ca is delegated to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

At least part of the name servers for upperbound.ca are shared with other domains, for instance compsci.me, tsm.org.hk, seanmueller.com, chaireasy.com and zoombuy.net.