studybooks.dk - robtex.com
studybooks.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.21.40.2🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S | ||||||
| PTR | web47.wannafind.dk | ||||||
| NS | ns2.wannafind.dk ⭐ | ||||||
| A | 2a02:2339:1:104::daba:daa🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns2.wannafind.dk | ||||||
| A | 91.197.248.69🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns2.wannafind.dk | ||||||
| NS | ns.wannafind.dk | ||||||
| A | 2a02:2339:4006:103:1c:3f6d:daba:dee🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns1.wannafind.dk | ||||||
| A | 185.25.141.6🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns1.wannafind.dk | ||||||
| MX | mail.studybooks.dk ⭐ | ||||||
| A | 194.239.143.133🇩🇰 TDC194.239.0.0/16 Tele Danmark | ||||||
| PTR | director1.mf.wannafind.dk | ||||||
| MX | backup-mx.wannafind.dk(20) | ||||||
| SOA | ns.wannafind.dkhostmaster@wannafind.dk 2021-11-17 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1774173241localtime Sun Mar 22 10:54:01 2026gmtime Sun Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774173241 | ||||||
Subdomains
mail.studybooks.dk |
Same first word
studybooks.ru |
studybooks.ch |
studybooks.eu |
studybooks.dk |
DNS History
5 records (5 active, 0 former)
●NSns.wannafind.dk2015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:36
●NSns2.wannafind.dk2015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:36
●MXbackup-mx.wannafind.dk2015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:36
●MXmail.studybooks.dk2015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:36
●A185.21.40.22015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 14:39:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| studybooks.dk | ns2.wannafind.dk, ns.wannafind.dk | 4 records |
✅ Authoritative Response
Server:91.197.248.69
NS records: ns2.wannafind.dk, ns.wannafind.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.40.2 |
| NS | 2 | ns2.wannafind.dk, ns.wannafind.dk |
| MX | 2 | mail.studybooks.dk (pri: 10), backup-mx.wannafind.dk (pri: 20) |
| SOA | 1 | ns.wannafind.dk hostmaster.wannafind.dk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.wannafind.dk, ns.wannafind.dk, ns2.wannafind.dk...)
Analysis
Hierarchy
mail.studybooks.dk has studybooks.dk as its parent.
IP Addresses
studybooks.dk maps to IP address 185.21.40.2.
Other host names, for instance kabu.dk, royal-casino.dk, eltomatic.com, blhas.dk and bookdj.dk share IP numbers with studybooks.dk.
Name Servers
Two name servers ns2.wannafind.dk and ns.wannafind.dk are delegated to studybooks.dk.
studybooks.dk uses the same name server configuration as other domains, such as scooter-delar.dk, stauner.dk, rihana.dk, kgi16.dk and bmwforhandler.dk.
studybooks.dk at least partially shares name servers with other domains such as simeon.dk, psedistribution.com, saif.dk, arkiwiki.dk and opdagelsesrejsende.dk.
these name servers are commonly used with the name servers ns1.wannafind.dk.
Host names with two IPs:
ns2.wannafind.dk points to 2a02:2339:1:104::daba:daa and 91.197.248.69.
ns.wannafind.dk points to 2a02:2339:4006:103:1c:3f6d:daba:dee and 185.25.141.6.
Mail Servers
Two mail servers handle studybooks.dk: mail.studybooks.dk and backup-mx.wannafind.dk.
studybooks.dk shares mail servers with other domains at least in part, for instance facilityservice.dk, psebike.com, fixoni.com, darena.dk and olguiden.dk.
these mail servers are commonly used alongside the mail servers mail.facilityservice.dk.
Host names with one IP: mail.studybooks.dk points to 194.239.143.133.