masterclass.de - dns.ninja
masterclass.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.2.70.75🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | aacb0a264e514dd48.awsglobalaccelerator.com | ||||||
| A | 99.83.190.102🇺🇸 Amazon99.83.176.0/20 | ||||||
| NS | ns69.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2184::2d🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns69.domaincontrol.com | ||||||
| A | 97.74.104.45🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns69.domaincontrol.com | ||||||
| NS | ns70.domaincontrol.com | ||||||
| A | 2603:5:2284::2d🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns70.domaincontrol.com | ||||||
| A | 173.201.72.45🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns70.domaincontrol.com | ||||||
| MX | mxlb.ispgateway.de ⭐ | ||||||
| A | 80.67.18.126🇩🇪 GD-EMEA-DC-CGN180.67.16.0/20 GD MASS Network | ||||||
| PTR | mxlb.ispgateway.de | ||||||
| TXT | google-site-verification=YaeW_M20BCbQPM2fuKqA7yIqjlYOW1Gcv9h3smYVz7k | ||||||
| TXT | n8e7ichb8l44a5ujkhbmcf0l0f | ||||||
| SOA | ns69.domaincontrol.comdns@jomax.net 2025-11-21 #2 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1782906599 | ||||||
Subdomains
mail.masterclass.de |
Same first word
Similar names
DNS History
15 records (5 active, 10 former)
○NSns.internet1.de2015-08-20 → 2017-02-13 · 4 obs
● 2017-02-13 22:16:48
○ 2019-04-10 10:18:10
○ 2026-07-01 11:57:50
○NSns.namespace4you.de2019-04-10 → 2019-04-10 · 4 obs
● 2019-04-10 10:18:10
○ 2026-03-26 17:08:44
○ 2026-07-01 11:57:50
○NSns2.internet1.de2015-08-20 → 2017-02-13 · 4 obs
● 2017-02-13 22:16:48
○ 2019-04-10 10:18:10
○ 2026-07-01 11:57:50
○NSns2.namespace4you.de2019-04-10 → 2019-04-10 · 4 obs
● 2019-04-10 10:18:10
○ 2026-03-26 17:08:44
○ 2026-07-01 11:57:50
○NSns3.internet1.de2015-08-20 → 2017-02-13 · 4 obs
● 2017-02-13 22:16:48
○ 2019-04-10 10:18:10
○ 2026-07-01 11:57:50
●NSns69.domaincontrol.com2026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 17:08:44
● 2026-07-01 11:57:50
●NSns70.domaincontrol.com2026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 17:08:44
● 2026-07-01 11:57:50
○MXmail.masterclass.de2015-08-20 → 2017-02-13 · 4 obs
● 2017-02-13 22:16:48
○ 2019-04-10 10:18:10
○ 2026-07-01 11:57:50
●MXmxlb.ispgateway.de2019-04-10 → 2026-07-01 · 3 obs
● 2019-04-10 10:18:10
● 2026-07-01 11:57:50
○A134.119.253.842019-04-10 → 2019-04-10 · 4 obs
● 2019-04-10 10:18:10
○ 2026-03-26 17:08:44
○ 2026-07-01 11:57:50
○A158.181.48.1912015-12-12 → 2017-02-13 · 5 obs
● 2015-12-12 04:10:30
● 2017-02-13 22:16:48
○ 2019-04-10 10:18:10
○ 2026-07-01 11:57:50
○A188.64.61.312015-08-20 → 2015-08-20 · 3 obs
○ 2015-12-12 04:10:30
○ 2026-07-01 11:57:50
○A2a00:1158:300::6542019-04-10 → 2019-04-10 · 4 obs
● 2019-04-10 10:18:10
○ 2026-03-26 17:08:44
○ 2026-07-01 11:57:50
●A75.2.70.752026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 17:08:44
● 2026-07-01 11:57:50
●A99.83.190.1022026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 17:08:44
● 2026-07-01 11:57:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| masterclass.de | ns69.domaincontrol.com, ns70.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.45
NS records: ns69.domaincontrol.com, ns70.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterclass.de (unsigned zone)
⏱️ Timing
Total: 583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 99.83.190.102, 75.2.70.75 |
| NS | 2 | ns69.domaincontrol.com, ns70.domaincontrol.com |
| MX | 1 | mxlb.ispgateway.de (pri: 100) |
| TXT | 2 | google-site-verification=YaeW_M20BCbQPM2, n8e7ichb8l44a5ujkhbmcf0l0f |
| SOA | 1 | ns69.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
masterclass.de is a parent domain of mail.masterclass.de.
IP Addresses
masterclass.de directs to two IP numbers, 75.2.70.75 and 99.83.190.102
senseapp.ai, soccer-excellence.com, huntrai.com and two other host names share IP numbers with masterclass.de.
Name Servers
The NS records for masterclass.de delegate to ns69.domaincontrol.com and ns70.domaincontrol.com.
masterclass.de uses the same name servers as several other domains — among them latinodespiertatupoder.net, netcamp.eu, carl-gagnon.com and two more.
ns69.domaincontrol.com resolves to 97.74.104.45 and 2603:5:2184::2d. Likewise, ns70.domaincontrol.com resolves to 173.201.72.45 and 2603:5:2284::2d — two IP addresses apiece.
Mail Servers
Mail for masterclass.de is handled by a single mail server, mxlb.ispgateway.de.
masterclass.de uses an identical mail server configuration to several other domains — among them ayantu.org, furnart.de, pbelektro.de and two more.
masterclass.de has at least partial mail server overlap with other domains such as silbernagl-obstbrand.de, bairle.de, museum-trier.de and two more.
mxlb.ispgateway.de resolves to 80.67.18.126 and no other IP number.