masterclass.se - dns.ninja
masterclass.se
se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.se ⭐ | ||||||
| NS | a.ns.se | ||||||
| NS | b.ns.se | ||||||
| NS | c.ns.se | ||||||
| NS | f.ns.se | ||||||
| NS | g.ns.se | ||||||
| NS | i.ns.se | ||||||
| NS | m.ns.se | ||||||
| NS | x.ns.se | ||||||
| NS | y.ns.se | ||||||
| NS | z.ns.se | ||||||
| TXT | id:71bf2344-74a8-424f-a593-2c907c62222d | ||||||
| TXT | SE zone update: 2026-07-27 07:46:39 +0000 (EPOCH 1785138399) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.seregistry-default@nic.se serial=1785138788 | ||||||
Subdomains
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
○NSns01.space2u.com2020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
○NSns02.space2u.com2020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
○NSns03.space2u.com2020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
○NSns04.space2u.com2020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
○NSns05.space2u.com2020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
●NSns1.loopiagroup.com2026-03-21 → 2026-07-27 · 3 obs
● 2026-03-21 18:03:34
● 2026-07-27 09:36:06
●NSns2.loopiagroup.com2026-03-21 → 2026-07-27 · 3 obs
● 2026-03-21 18:03:34
● 2026-07-27 09:36:06
○NSns3.space2u.com2007-12-04 → 2016-11-27 · 4 obs
● 2016-11-27 20:46:28
○ 2020-01-13 02:00:14
○ 2026-07-27 09:36:06
○NSns4.space2u.com2007-12-04 → 2016-11-27 · 4 obs
● 2016-11-27 20:46:28
○ 2020-01-13 02:00:14
○ 2026-07-27 09:36:06
●MXmail.masterclass.se2007-12-04 → 2026-07-27 · 2 obs
● 2026-07-27 09:36:06
●MXmail2.masterclass.se2020-01-13 → 2026-07-27 · 3 obs
● 2020-01-13 02:00:14
● 2026-07-27 09:36:06
●MXmasterclass-se.mail.protection.outlook.com2020-01-13 → 2026-07-27 · 3 obs
● 2020-01-13 02:00:14
● 2026-07-27 09:36:06
●A109.235.174.42026-03-21 → 2026-07-27 · 3 obs
● 2026-03-21 18:03:34
● 2026-07-27 09:36:06
●A2a00:1968:0:1::172026-03-21 → 2026-07-27 · 3 obs
● 2026-03-21 18:03:34
● 2026-07-27 09:36:06
○A62.20.1.1852007-12-04 → 2016-11-27 · 4 obs
● 2016-11-27 20:46:28
○ 2020-01-13 02:00:14
○ 2026-07-27 09:36:06
○A93.90.147.1052020-01-13 → 2020-01-13 · 4 obs
● 2020-01-13 02:00:14
○ 2026-03-21 18:03:34
○ 2026-07-27 09:36:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| se | a.ns.se, b.ns.se, c.ns.se, f.ns.se... | - |
| masterclass.se | ns1.loopiagroup.com, ns2.loopiagroup.com | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.loopiagroup.com, ns2.loopiagroup.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 647ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.235.174.4 |
| AAAA | 1 | 2a00:1968:0:1::17 |
| NS | 2 | ns1.loopiagroup.com, ns2.loopiagroup.com |
| MX | 3 | masterclass-se.mail.protection.outlook.c, mail.masterclass.se (pri: 10)... |
| TXT | 2 | MS=ms80450999, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.loopiagroup.com dnsadmin.loopiagroup |
Analysis
Hierarchy
mail2.masterclass.se and mail.masterclass.se are both subdomains of masterclass.se.
IP Addresses
masterclass.se resolves to the IP addresses 109.235.174.4 and 2a00:1968:0:1::17
www.ddx.se, startuplive.se, dewahl.com and two other host names share IP numbers with masterclass.se.
Name Servers
masterclass.se uses two name servers for its delegation: ns1.loopiagroup.com and ns2.loopiagroup.com.
masterclass.se uses the same name servers as several other domains — among them xent.se, dagsmeja.se, energihuskalkyl.se and two more.
At least some of masterclass.se's name servers are also used by other domains, among them brf-munkmora.se.
The two host names ns1.loopiagroup.com and ns2.loopiagroup.com each have a pair of IP addresses: ns1.loopiagroup.com has 45.10.97.11 and 2a10:bbc0::11, and ns2.loopiagroup.com has 185.71.159.12 and 2a02:250:3::12.
Mail Servers
masterclass.se is handled by three mail servers: mail2.masterclass.se, mail.masterclass.se and masterclass-se.mail.protection.outlook.com.
Hostnames that resolve to 8 IP addresses:
Hostname masterclass-se.mail.protection.outlook.com directs to 52.101.68.18, 52.101.73.2 and 52.101.73.12 along with 5 other IP addresses.
Hosts with just one IP address:
mail2.masterclass.se has the IP address 109.235.175.21.
mail.masterclass.se has the IP address 109.235.175.22.