mail.u21.ca - robtex.com
mail.u21.ca
| DNSSEC | β οΈ Not signed | ||||||
| A | 13.248.169.48πΊπΈ Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146πΊπΈ Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com β β οΈ Not in parent delegation | ||||||
| A | 97.74.98.65πΊπΈ GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com β οΈ Not in parent delegation | ||||||
| A | 173.201.66.65πΊπΈ GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
u21.ca
| DNSSEC | β οΈ Not signed | ||||||
| A | 13.248.169.48πΊπΈ Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146πΊπΈ Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com β | ||||||
| NS | ns4.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
βNSns3.afternic.com2026-03-10 β 2026-03-27 Β· 2 obs
β 2026-03-27 09:53:10
βNSns4.afternic.com2026-03-10 β 2026-03-27 Β· 2 obs
β 2026-03-27 09:53:10
βA13.248.169.482026-03-10 β 2026-03-27 Β· 3 obs
β 2026-03-10 07:38:10
β 2026-03-27 09:53:10
βA206.123.88.942009-01-17 β 2009-01-17 Β· 3 obs
β 2015-10-21 19:13:56
β 2026-03-27 09:53:10
βA76.223.54.1462026-03-10 β 2026-03-27 Β· 3 obs
β 2026-03-10 07:38:10
β 2026-03-27 09:53:10
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| u21.ca | ns3.afternic.com, ns4.afternic.com | - |
β Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for u21.ca (unsigned zone)
β±οΈ Timing
Total: 699ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
Analysis
IP Addresses
mail.u21.ca has two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance goldworld.net, mail.legitimate.me, mailserver.sjkitchens.com, pokerdraft.com and waybroad.com share IP numbers with mail.u21.ca.
Name Servers
mail.u21.ca's delegation uses two name servers: ns3.afternic.com and ns4.afternic.com.
mail.u21.ca uses the same name server setup as other domains, such as qcauto.com, janewalters.com, www.aceplay.com, elitemortgage.com and 177.244.247.rdns.ubiquity.io.
mail.u21.ca at least partially shares name servers with other domains, for instance choicefinancialservices.com, thewebbrain.com, hackx.com and lyvor.com.
These name servers are commonly used with verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
Host names with a single IP address: ns3.afternic.com points to 97.74.98.65; ns4.afternic.com points to 173.201.66.65.