blekholt.is - robtex.com
blekholt.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=1776946202 | ||||||
Same first word
blekholt.is |
DNS History
12 records (5 active, 7 former)
○NSns0.1984.is2015-07-11 → 2017-04-08 · 4 obs
● 2017-04-08 03:26:00
○ 2026-02-28 17:21:22
○ 2026-04-23 12:27:34
○NSns1.1984.is2015-07-11 → 2017-04-08 · 4 obs
● 2017-04-08 03:26:00
○ 2026-02-28 17:21:22
○ 2026-04-23 12:27:34
●NSns1.bdm.microsoftonline.com2026-02-28 → 2026-04-23 · 3 obs
● 2026-02-28 17:21:22
● 2026-04-23 12:27:34
○NSns2.1984.is2015-07-11 → 2017-04-08 · 4 obs
● 2017-04-08 03:26:00
○ 2026-02-28 17:21:22
○ 2026-04-23 12:27:34
●NSns2.bdm.microsoftonline.com2026-02-28 → 2026-04-23 · 3 obs
● 2026-02-28 17:21:22
● 2026-04-23 12:27:34
●NSns3.bdm.microsoftonline.com2026-02-28 → 2026-04-23 · 3 obs
● 2026-02-28 17:21:22
● 2026-04-23 12:27:34
●NSns4.bdm.microsoftonline.com2026-02-28 → 2026-04-23 · 3 obs
● 2026-02-28 17:21:22
● 2026-04-23 12:27:34
●MXblekholt-is.mail.protection.outlook.com2026-02-28 → 2026-04-23 · 3 obs
● 2026-02-28 17:21:22
● 2026-04-23 12:27:34
○MXmx1.h1.is2017-04-08 → 2017-04-08 · 4 obs
● 2017-04-08 03:26:00
○ 2026-02-28 17:21:22
○ 2026-04-23 12:27:34
○MXmx1.tolvustod.is2015-07-11 → 2016-08-18 · 4 obs
● 2016-08-18 07:51:10
○ 2017-04-08 03:26:00
○ 2026-04-23 12:27:34
○MXmx2.tolvustod.is2015-07-11 → 2016-08-18 · 4 obs
● 2016-08-18 07:51:10
○ 2017-04-08 03:26:00
○ 2026-04-23 12:27:34
○A93.95.225.1392015-07-11 → 2017-04-08 · 4 obs
● 2017-04-08 03:26:00
○ 2026-02-28 17:21:22
○ 2026-04-23 12:27:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | e.nic.is, c.nic.is, f.nic.is, a.nic.is... | - |
| blekholt.is | ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:150.171.21.208
NS records: ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blekholt.is (unsigned zone)
⏱️ Timing
Total: 448ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | blekholt-is.mail.protection.outlook.com |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, mscid=2K5cHQSOgmeGAXpite25c4f4FMad2z0wcp |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
Analysis
Name Servers
blekholt.is is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
blekholt.is at least partially shares its name servers with other domains, for instance bealand.com, maxionsystems.com, thesauce.co.uk, nyanga.org and allaluminio.com.br.
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
blekholt.is is served by a single mail server, blekholt-is.mail.protection.outlook.com.
The host name blekholt-is.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::b, 52.101.68.3, 52.101.68.29, 52.101.73.12 and 52.101.73.22.