birkbeck.ca - robtex.com
birkbeck.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.40.47.17🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | redirect.managednsservice.com | ||||||
| NS | ns1.mdnsservice.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:18🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.mdnsservice.com | ||||||
| A | 216.40.47.18🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.mdnsservice.com | ||||||
| NS | ns2.mdnsservice.com | ||||||
| A | 2604:4000:2800:d:64:99:148:11🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.mdnsservice.com | ||||||
| A | 64.98.148.11🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.mdnsservice.com | ||||||
| NS | ns3.mdnsservice.com | ||||||
| A | 2604:4000:0:d:64:99:96:34🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.mdnsservice.com | ||||||
| A | 64.99.96.34🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.mdnsservice.com | ||||||
| SOA | ns1.mdnsservice.comhostmaster@mdnsservice.com serial=1615404405 | ||||||
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=2608130000 | ||||||
Same first word
birkbeck.org |
birkbeck.com |
birkbeck.org.uk |
birkbeck.us |
birkbeck.eu |
birkbeck.ac.uk |
birkbeck.me |
birkbeck.com.au |
birkbeck.net |
birkbeck.ca |
DNS History
4 records (4 active, 0 former)
●NSns1.mdnsservice.com2015-07-14 → 2026-08-13 · 2 obs
● 2026-08-13 00:53:18
●NSns2.mdnsservice.com2015-07-14 → 2026-08-13 · 2 obs
● 2026-08-13 00:53:18
●NSns3.mdnsservice.com2015-07-14 → 2026-08-13 · 2 obs
● 2026-08-13 00:53:18
●A216.40.47.172015-07-14 → 2026-08-13 · 2 obs
● 2026-08-13 00:53:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca | - |
| birkbeck.ca | ns3.mdnsservice.com, ns2.mdnsservice.com, ns1.mdnsservice.com | - |
✅ Authoritative Response
Server:64.98.148.11
NS records: ns3.mdnsservice.com, ns2.mdnsservice.com, ns1.mdnsservice.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for birkbeck.ca (unsigned zone)
⏱️ Timing
Total: 888ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.40.47.17 |
| NS | 3 | ns3.mdnsservice.com, ns1.mdnsservice.com... |
| SOA | 1 | ns1.mdnsservice.com hostmaster.mdnsservi |
Analysis
IP Addresses
birkbeck.ca resolves to just one IP address, 216.40.47.17.
Two other host names, along with tharchitect.com, phdpc.net and makeaplantoretire.net, also share IP numbers with birkbeck.ca.
Name Servers
DNS for birkbeck.ca is handled by three authoritative name servers: ns1.mdnsservice.com, ns2.mdnsservice.com and ns3.mdnsservice.com.
At least some of birkbeck.ca's name servers are shared with other domains, for example windscape4u.com.emailmx.com, tenhorn.net.emailmx.com, morninglightprod.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.mailbank.com and ns2.mailbank.com.
Three hostnames — ns1.mdnsservice.com, ns2.mdnsservice.com and ns3.mdnsservice.com — each have two IP addresses: ns1.mdnsservice.com has 216.40.47.18 and 2604:4000:0:d:216:40:47:18, ns2.mdnsservice.com has 64.98.148.11 and 2604:4000:2800:d:64:99:148:11, and ns3.mdnsservice.com has 64.99.96.34 and 2604:4000:0:d:64:99:96:34.