upperbound.ca - dns.ninja
upperbound.ca
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.caadmin-dns@cira.ca serial=2608052030 | ||||||
PTR for
Same first word
upperbound.ca |
DNS History
10 records (10 active, 0 former)
●NSns-cloud-c1.googledomains.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●NSns-cloud-c2.googledomains.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●NSns-cloud-c3.googledomains.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●NSns-cloud-c4.googledomains.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●MXalt1.aspmx.l.google.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●MXalt2.aspmx.l.google.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●MXalt3.aspmx.l.google.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●MXalt4.aspmx.l.google.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●MXaspmx.l.google.com2018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
●A159.203.34.512018-10-14 → 2026-08-05 · 2 obs
● 2026-08-05 21:33:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| upperbound.ca | ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.108
NS records: ns-cloud-c4.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for upperbound.ca (unsigned zone)
⏱️ Timing
Total: 1868ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.203.34.51 |
| NS | 4 | ns-cloud-c2.googledomains.com, ns-cloud-c4.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
Analysis
IP Addresses
upperbound.ca resolves to just one IP address, 159.203.34.51.
Name Servers
The NS records for upperbound.ca point 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.
upperbound.ca has at least partial name server overlap with other domains, such as shopgracengrit.com, compsci.me, tsm.org.hk and two others.
ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com all point to exactly two IP numbers each: ns-cloud-c1.googledomains.com → 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com → 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com → 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com → 216.239.38.108 and 2001:4860:4802:38::6c.
Mail Servers
Mail for upperbound.ca is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between upperbound.ca and other domains, including curphey.com, yutesa.com, ns500671.ns500742.ns500671.ns500731.ns500704.ns500705.ns500671.ns500671.ns500671.ns500649.ns500666.ns500291.ns500131.lustychickser.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
The A records for aspmx.l.google.com return 142.250.31.27 and 2607:f8b0:4004:c23::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.