studyguide.de - robtex.com
studyguide.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.200.4.93🇩🇪 DE-FIRSTCOLO84.200.0.0/16 firstcolo IP Services | ||||||
| NS | ns1.resellerinterface.de ⭐ | ||||||
| A | 2001:67c:1bc::21🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns1.mainns.de | ||||||
| A | 192.174.68.21🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | ns1.mainns.de | ||||||
| NS | ns2.resellerinterface.de | ||||||
| A | 2001:67c:10b8::21🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | ns2.mainns.eu | ||||||
| A | 176.97.158.21🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | ns2.mainns.eu | ||||||
| NS | ns3.resellerinterface.de | ||||||
| A | 2001:67c:1bc::20🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns3.mainns.net | ||||||
| A | 192.174.68.20🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | ns3.mainns.net | ||||||
| MX | mail.studyguide.de ⭐ | ||||||
| A | 84.200.4.93🇩🇪 DE-FIRSTCOLO84.200.0.0/16 firstcolo IP Services | ||||||
| SOA | ns1.resellerinterface.dehostmaster@resellerinterface.de serial=1450224000 | ||||||
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=1786412255 | ||||||
Subdomains
mail.studyguide.de |
Same first word
studyguide.ca |
studyguide.co.in |
studyguide.org |
studyguide.ch |
studyguide.at |
studyguide.cn |
studyguide.co |
studyguide.us |
studyguide.de |
studyguide.gr |
studyguide.net |
studyguide.eu |
studyguide.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.resellerinterface.de2015-07-23 → 2026-08-11 · 2 obs
● 2026-08-11 02:11:30
●NSns2.resellerinterface.de2015-07-23 → 2026-08-11 · 2 obs
● 2026-08-11 02:11:30
●NSns3.resellerinterface.de2015-11-17 → 2026-08-11 · 3 obs
● 2015-11-17 15:34:20
● 2026-08-11 02:11:30
●MXmail.studyguide.de2015-07-23 → 2026-08-11 · 2 obs
● 2026-08-11 02:11:30
●A84.200.4.932015-07-23 → 2026-08-11 · 2 obs
● 2026-08-11 02:11:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| studyguide.de | ns1.resellerinterface.de, ns2.resellerinterface.de, ns3.resellerinterface.de | - |
✅ Authoritative Response
Server:176.97.158.21
NS records: ns1.resellerinterface.de, ns2.resellerinterface.de, ns3.resellerinterface.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyguide.de (unsigned zone)
⏱️ Timing
Total: 778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.200.4.93 |
| NS | 3 | ns1.resellerinterface.de, ns2.resellerinterface.de... |
| MX | 1 | mail.studyguide.de (pri: 10) |
| SOA | 1 | ns1.resellerinterface.de hostmaster.rese |
Analysis
Hierarchy
mail.studyguide.de is a subdomain of studyguide.de.
IP Addresses
studyguide.de resolves to just one IP address, 84.200.4.93.
Two other host names, along with bibliothekstaschenbuch.de, mail.bibliothekstaschenbuch.de and sushi-in-hamburg.de, also share IP numbers with studyguide.de.
Name Servers
Three name servers are authoritative for studyguide.de: ns1.resellerinterface.de, ns2.resellerinterface.de and ns3.resellerinterface.de.
The name servers of studyguide.de overlap at least partially with those of other domains — among them marbas.de, mein-reisefuehrer.de, ibiza-ratgeber.com and two more.
ns1.resellerinterface.de resolves to 192.174.68.21 and 2001:67c:1bc::21. ns2.resellerinterface.de resolves to 176.97.158.21 and 2001:67c:10b8::21. ns3.resellerinterface.de resolves to 192.174.68.20 and 2001:67c:1bc::20. All three hostnames point to two IP numbers each.
Mail Servers
The sole mail server for studyguide.de is mail.studyguide.de.
There is one IP number for mail.studyguide.de: 84.200.4.93.