studybooks.dk - dns.ninja
studybooks.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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 1785774601localtime Mon Aug 3 18:30:01 2026gmtime Mon Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785774601 | ||||||
Subdomains
mail.studybooks.dk |
Same first word
studybooks.ru |
studybooks.eu |
studybooks.dk |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns.wannafind.dk2015-07-23 → 2026-08-03 · 2 obs
● 2026-08-03 16:48:56
●NSns2.wannafind.dk2015-07-23 → 2026-08-03 · 2 obs
● 2026-08-03 16:48:56
●MXbackup-mx.wannafind.dk2015-07-23 → 2026-08-03 · 2 obs
● 2026-08-03 16:48:56
●MXmail.studybooks.dk2015-07-23 → 2026-08-03 · 2 obs
● 2026-08-03 16:48:56
●A185.21.40.22015-07-23 → 2026-08-03 · 2 obs
● 2026-08-03 16:48:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| studybooks.dk | ns.wannafind.dk, ns2.wannafind.dk | 4 records |
✅ Authoritative Response
Server:91.197.248.69
NS records: ns.wannafind.dk, ns2.wannafind.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.40.2 |
| NS | 2 | ns.wannafind.dk, ns2.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 (ns.wannafind.dk, ns2.wannafind.dk, ns.wannafind.dk...)
Analysis
Hierarchy
studybooks.dk is a parent domain of mail.studybooks.dk.
IP Addresses
studybooks.dk resolves to one IP address: 185.21.40.2.
kabu.dk, royal-casino.dk, find-relation.com and two other host names share IP numbers with studybooks.dk.
Name Servers
studybooks.dk is served by two delegated name servers, ns2.wannafind.dk and ns.wannafind.dk.
studybooks.dk uses the same name servers as several other domains — among them handmadebike.dk, scooter-delar.dk, stauner.dk and two more.
studybooks.dk shares at least some of its name servers with other domains, including simeon.dk, psedistribution.com, saif.dk and two others.
These name servers are frequently seen alongside the name servers ns1.wannafind.dk.
Each of the two host names carries two IP addresses: ns2.wannafind.dk points to 91.197.248.69 and 2a02:2339:1:104::daba:daa, and ns.wannafind.dk points to 185.25.141.6 and 2a02:2339:4006:103:1c:3f6d:daba:dee.
Mail Servers
Mail for studybooks.dk is handled by two mail servers — mail.studybooks.dk and backup-mx.wannafind.dk.
studybooks.dk has at least partial mail server overlap with other domains such as facilityservice.dk, psebike.com, fixoni.com and two more.
This set of mail servers commonly appears together with the mail servers mail.facilityservice.dk.
Hosts with just one IP address:
mail.studybooks.dk points to the IP address 194.239.143.133.