jbk.is - robtex.com
jbk.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=1778460602 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.bdm.microsoftonline.com2026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
●NSns2.bdm.microsoftonline.com2026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
●NSns3.bdm.microsoftonline.com2026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
●NSns4.bdm.microsoftonline.com2026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
●MXjbk-is.mail.protection.outlook.com2026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
●A23.236.62.1472026-02-28 → 2026-05-11 · 2 obs
● 2026-05-11 01:14:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | - |
| jbk.is | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:204.14.183.208
NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jbk.is (unsigned zone)
⏱️ Timing
Total: 732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.236.62.147 |
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | jbk-is.mail.protection.outlook.com (pri: |
| TXT | 2 | mscid=cXyWrDgUERjbqYeH9WR2NOkN+F428DU7qQ, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
Analysis
IP Addresses
jbk.is points to a single IP: 23.236.62.147.
Other host names, for instance swsalesco.com, bousuitec.co.jp, voyagerx.com, amchimneys.com and tanahmas.com.my share IP numbers with jbk.is.
Name Servers
jbk.is's delegation is handled by four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
jbk.is partially shares name servers with other domains; examples include looandmoore.co.nz, utilityrelay.com, marinewp.com, vwm.com and denisehart.com.
Host names with two IPs:
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
jbk.is is handled by a single mail server, jbk-is.mail.protection.outlook.com.
Hostname jbk-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::8, 52.101.68.8, 52.101.68.12, 52.101.68.21 and 52.101.68.27.