tensor.is - robtex.com
tensor.is
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1772040602 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSns1.bdm.microsoftonline.com2026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●NSns2.bdm.microsoftonline.com2026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●NSns3.bdm.microsoftonline.com2026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●NSns4.bdm.microsoftonline.com2026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●MXtensor-is.mail.protection.outlook.com2026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●A139.59.143.2272026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●A155.138.212.2542026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●A193.4.58.982026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
●A20.50.2.572026-02-28 → 2026-03-24 · 2 obs
● 2026-03-24 04:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | f.nic.is, e.nic.is, a.nic.is, c.nic.is... | 10 records |
| tensor.is | ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:150.171.21.208
NS records: ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tensor.is (unsigned zone)
⏱️ Timing
Total: 932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 155.138.212.254, 193.4.58.98... |
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | tensor-is.mail.protection.outlook.com (p |
| TXT | 3 | mscid=qR2axc83zvehySs+EP4BJoWGgCIVD0VJUJ, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (f.nic.is, e.nic.is, d.nic.is...)
Analysis
IP Addresses
tensor.is maps to four IP numbers: 20.50.2.57, 139.59.143.227, 155.138.212.254 and 193.4.58.98.
other host names include femin.is, ct.is, lui.is, menning.is and daihatsu.is; they share IP numbers with tensor.is.
Name Servers
tensor.is delegates to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
tensor.is at least partially shares name servers with other domains, for instance carusrl.it, bpsllc.org, barobinson.com.au, unorent.com and southernskyfilms.com.
Host names with two IP numbers: ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208; ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208; ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208; ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208.
Mail Servers
tensor.is is handled by a single mail server, tensor-is.mail.protection.outlook.com.
Hostname tensor-is.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::e, 52.101.68.5, 52.101.68.29, 52.101.68.32 and 52.101.73.8.