programmingcourse.net - dns.ninja
programmingcourse.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.30.35.2🇩🇪 DE-WEBGO185.30.32.0/22 webgo GmbH | ||||||
| PTR | s253.goserver.host | ||||||
| NS | ns1.webgo.de ⭐ | ||||||
| A | 2a00:5fc1:0:120:89:44:8:112🇩🇪 DE-WEBGO2a00:5fc1::/32 | ||||||
| A | 89.44.8.112🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH | ||||||
| NS | ns2.webgo.de | ||||||
| A | 2a00:5fc1:0:120:89:44:8:111🇩🇪 DE-WEBGO2a00:5fc1::/32 | ||||||
| A | 89.44.8.111🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH | ||||||
| NS | ns3.webgo.de | ||||||
| A | 2a00:5fc1:0:120:89:44:8:124🇩🇪 DE-WEBGO2a00:5fc1::/32 | ||||||
| A | 89.44.8.124🇩🇪 DE-WEBGO89.44.8.0/24 webgo GmbH | ||||||
| NS | ns4.webgo.de | ||||||
| A | 2001:4ba0:ffff:81::1🇩🇪 MYLOC-AS2001:4ba0::/32 myLoc managed IT AG | ||||||
| A | 217.79.184.5🇩🇪 MYLOC-AS217.79.176.0/20 myLoc managed IT AG | ||||||
| PTR | ns4.webgo.de | ||||||
| MX | s253.goserver.host(20) | ||||||
| A | 185.30.35.2🇩🇪 DE-WEBGO185.30.32.0/22 webgo GmbH | ||||||
| PTR | s253.goserver.host | ||||||
| TXT | v=spf1 a mx ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.1... | ||||||
| SOA | ns1.webgo.dehostmaster@webgo.de 2021-06-07 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1787750570 | ||||||
Same first word
programmingcourse.net |
programmingcourse.site |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●MXs253.goserver.host2026-08-26 → 2026-08-26 · 2 obs
● 2026-08-26 13:31:42
●A185.30.35.22026-08-26 → 2026-08-26 · 2 obs
● 2026-08-26 13:31:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| programmingcourse.net | ns1.webgo.de, ns2.webgo.de, ns3.webgo.de, ns4.webgo.de | - |
✅ Authoritative Response
Server:217.79.184.5
NS records: ns1.webgo.de, ns2.webgo.de, ns3.webgo.de, ns4.webgo.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programmingcourse.net (unsigned zone)
⏱️ Timing
Total: 869ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.30.35.2 |
| NS | 4 | ns1.webgo.de, ns2.webgo.de... |
| MX | 2 | s253.goserver.host (pri: 20), s253.goserver.host (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:37.17.224.0/21 ip4:185.3 |
| SOA | 1 | ns1.webgo.de hostmaster.webgo.de |
Analysis
IP Addresses
programmingcourse.net points to a single IP number: 185.30.35.2.
Additional host names — mx0.bahnen-und-busse.de, smtp.francke-geibig.de, star-netz.de and two others — share IP numbers with programmingcourse.net.
Name Servers
programmingcourse.net has four authoritative name servers: ns1.webgo.de, ns2.webgo.de, ns3.webgo.de and ns4.webgo.de.
programmingcourse.net has at least partial name server overlap with other domains, such as buchholz-leipzig.de, einmalanders.com, team-picnic.com and two others.
ns1.webgo.de, ns2.webgo.de, ns3.webgo.de and ns4.webgo.de all point to exactly two IP numbers each: ns1.webgo.de → 89.44.8.112 and 2a00:5fc1:0:120:89:44:8:112; ns2.webgo.de → 89.44.8.111 and 2a00:5fc1:0:120:89:44:8:111; ns3.webgo.de → 89.44.8.124 and 2a00:5fc1:0:120:89:44:8:124; ns4.webgo.de → 217.79.184.5 and 2001:4ba0:ffff:81::1.
Mail Servers
programmingcourse.net has one mail server: s253.goserver.host.
programmingcourse.net shares the same mail server setup as other domains, including protassist.de, star-netz.de, prosub.org and two others.
s253.goserver.host points to one IP number — 185.30.35.2.