doortraining.is - robtex.com
doortraining.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=1774723802 | ||||||
Same first word
doortraining.gr |
doortraining.jp |
doortraining.com.ar |
doortraining.be |
doortraining.mx |
doortraining.com |
doortraining.gy |
doortraining.co.in |
doortraining.is |
doortraining.fr |
doortraining.ru |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns3.stefna.is2026-02-25 → 2026-03-28 · 3 obs
● 2026-02-25 14:20:18
● 2026-03-28 19:34:12
●MXdoortraining-is.mail.protection.outlook.com2016-01-05 → 2026-03-28 · 3 obs
● 2016-01-05 12:50:26
● 2026-03-28 19:34:12
○MXmx10.stefna.is2015-07-03 → 2015-10-29 · 4 obs
● 2015-10-29 16:16:50
○ 2016-01-05 12:50:26
○ 2026-03-28 19:34:12
○MXmx20.stefna.is2015-07-03 → 2015-10-29 · 4 obs
● 2015-10-29 16:16:50
○ 2016-01-05 12:50:26
○ 2026-03-28 19:34:12
○MXmx30.stefna.is2015-07-03 → 2015-10-29 · 4 obs
● 2015-10-29 16:16:50
○ 2016-01-05 12:50:26
○ 2026-03-28 19:34:12
○A157.157.147.1442015-07-03 → 2015-07-03 · 3 obs
○ 2015-10-29 16:16:50
○ 2026-03-28 19:34:12
●A54.76.32.592015-10-29 → 2026-03-28 · 3 obs
● 2015-10-29 16:16:50
● 2026-03-28 19:34:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, f.nic.is, c.nic.is, d.nic.is... | - |
| doortraining.is | ns2.stefna.is, ns1.stefna.is, ns3.stefna.is | 5 records |
✅ Authoritative Response
Server:54.77.77.174
NS records: ns2.stefna.is, ns1.stefna.is, ns3.stefna.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doortraining.is (unsigned zone)
⏱️ Timing
Total: 1037ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.76.32.59 |
| NS | 3 | ns2.stefna.is, ns1.stefna.is... |
| MX | 1 | doortraining-is.mail.protection.outlook. |
| TXT | 2 | MS=ms87783199, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns0.stefna.is root.stefna.is |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns3.stefna.is, ns2.stefna.is, ns1.stefna.is...)
Analysis
IP Addresses
doortraining.is resolves to one IP number: 54.76.32.59.
other host names including greifinn.is, sisp.is, stn.is, umhyggja.is and virk.is share IP numbers with doortraining.is.
Name Servers
doortraining.is is delegated to four name servers: ns0.stefna.is, ns1.stefna.is, ns2.stefna.is and ns3.stefna.is.
doortraining.is at least partially shares name servers with other domains, for instance gamarvest.is, audi.is, grunnesk.is, hhht.is and exedra.is.
these name servers are commonly used alongside dvalinn.rhnet.is.
Host names with two IP numbers:
ns1.stefna.is points to 2a05:d014:d:b502::5 and 18.195.8.151; ns2.stefna.is points to 2a05:d018:ed6:eb0c:e8a1::5 and 54.77.77.174.
Host names with one IP number:
ns0.stefna.is points to 54.171.111.148; ns3.stefna.is points to 185.112.146.139.
Mail Servers
doortraining.is is handled by a single mail server, doortraining-is.mail.protection.outlook.com.
Host doortraining-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c92c::4, 2a01:111:f403:c946::, 2a01:111:f403:f90a::1, 52.101.10.1, 52.101.11.2, 52.101.41.6 and 52.101.194.17.