coursehub.de - robtex.com
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coursehub.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.239.32.21🇺🇸 Google | ||||||
| PTR | any-in-2015.1e100.net | ||||||
| A | 216.239.34.21🇺🇸 Google | ||||||
| A | 216.239.36.21🇺🇸 Google | ||||||
| A | 216.239.38.21🇺🇸 Google | ||||||
| NS | ns-cloud-a1.googledomains.com ⭐ | ||||||
| A | 2001:4860:4802:32::6a🇺🇸 Google | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| A | 216.239.32.106🇺🇸 Google | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| NS | ns-cloud-a2.googledomains.com | ||||||
| A | 2001:4860:4802:34::6a🇺🇸 Google | ||||||
| PTR | ns-cloud-a2.googledomains.com | ||||||
| A | 216.239.34.106🇺🇸 Google | ||||||
| PTR | ns-cloud-a2.googledomains.com | ||||||
| NS | ns-cloud-a3.googledomains.com | ||||||
| A | 2001:4860:4802:36::6a🇺🇸 Google | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| A | 216.239.36.106🇺🇸 Google | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| NS | ns-cloud-a4.googledomains.com | ||||||
| A | 2001:4860:4802:38::6a🇺🇸 Google | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| A | 216.239.38.106🇺🇸 Google | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| TXT | _ebnrdpur2xcxxec2lznsr512ip6nfcd | ||||||
| TXT | google-site-verification=IQFric2d9g7lq5hNZB8hpFMkNDl9lp1c_OQs1-BpSg8 | ||||||
| TXT | _1fyzo6rn8tffdjaetoiuis8wgab75pi | ||||||
| SOA | ns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=1 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ 🔒 | ||||||
| NS | a.nic.de 🔒 | ||||||
| NS | l.de.net⚠️ 🔒 | ||||||
| NS | n.de.net⚠️ 🔒 | ||||||
| NS | s.de.net⚠️ 🔒 | ||||||
| NS | z.nic.de 🔒 | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1770883201 | ||||||
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| coursehub.de | ns-cloud-a3.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com | - |
✅ Authoritative Response
Server: 216.239.36.106
NS records: ns-cloud-a3.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursehub.de (unsigned zone)
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.38.21... |
| NS | 4 | ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com... |
| TXT | 3 | _ebnrdpur2xcxxec2lznsr512ip6nfcd, _1fyzo6rn8tffdjaetoiuis8wgab75pi... |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
AI analysis
Four IP numbers are pointed to by coursehub.de: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
other host names including griffinbuildinganddevelopment.com, funsmart.com, vadanikavalgheta.com, tunon6319.com and ruander.com share IP numbers with coursehub.de.
coursehub.de is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
coursehub.de at least partially shares name servers with other domains, for instance marketing-fix.com, taylorconnect.org, taggartlawfirm.com, gcp.bomm.in and pgdrupal.com.
Host names with two IP numbers:
ns-cloud-a1.googledomains.com points to 2001:4860:4802:32::6a and 216.239.32.106; ns-cloud-a2.googledomains.com points to 2001:4860:4802:34::6a and 216.239.34.106; ns-cloud-a3.googledomains.com points to 2001:4860:4802:36::6a and 216.239.36.106; ns-cloud-a4.googledomains.com points to 2001:4860:4802:38::6a and 216.239.38.106.