dovermann.ac - robtex.com
dovermann.ac
ac
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ac ⭐ | ||||||
| NS | a2.nic.ac | ||||||
| NS | b0.nic.ac | ||||||
| NS | c0.nic.ac | ||||||
| SOA | a0.nic.achostmaster@donuts.email serial=1774461202 | ||||||
Subdomains
mail.dovermann.ac |
Same first word
dovermann.de |
dovermann.ac |
Similar names
DNS History
9 records (8 active, 1 former)
●NSns1.contabo.net2015-05-31 → 2026-03-25 · 2 obs
● 2026-03-25 18:24:24
●NSns2.contabo.net2015-05-31 → 2026-03-25 · 2 obs
● 2026-03-25 18:24:24
●NSns3.contabo.net2015-05-31 → 2026-03-25 · 2 obs
● 2026-03-25 18:24:24
○MXmail.dovermann.ac2015-05-31 → 2017-08-20 · 4 obs
● 2017-08-20 20:48:30
○ 2026-02-24 09:21:44
○ 2026-03-25 18:24:24
●MXmx01.hornetsecurity.com2026-02-24 → 2026-03-25 · 3 obs
● 2026-02-24 09:21:44
● 2026-03-25 18:24:24
●MXmx02.hornetsecurity.com2026-02-24 → 2026-03-25 · 3 obs
● 2026-02-24 09:21:44
● 2026-03-25 18:24:24
●MXmx03.hornetsecurity.com2026-02-24 → 2026-03-25 · 3 obs
● 2026-02-24 09:21:44
● 2026-03-25 18:24:24
●MXmx04.hornetsecurity.com2026-02-24 → 2026-03-25 · 3 obs
● 2026-02-24 09:21:44
● 2026-03-25 18:24:24
●A5.189.130.1282015-05-31 → 2026-03-25 · 2 obs
● 2026-03-25 18:24:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac | 8 records |
| dovermann.ac | ns2.contabo.net, ns1.contabo.net, ns3.contabo.net | - |
✅ Authoritative Response
Server:209.126.15.15
NS records: ns2.contabo.net, ns1.contabo.net, ns3.contabo.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dovermann.ac (unsigned zone)
⏱️ Timing
Total: 641ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.189.130.128 |
| NS | 3 | ns1.contabo.net, ns3.contabo.net... |
| MX | 4 | mx03.hornetsecurity.com (pri: 30), mx04.hornetsecurity.com (pri: 40)... |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms89653472 |
| SOA | 1 | ns1.contabo.net hostmaster.contabo.de |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)
Analysis
Hierarchy
mail.dovermann.ac has dovermann.ac as its parent.
IP Addresses
dovermann.ac maps to IP address 5.189.130.128.
Other host names, for example mail.dovermann.ac, *.sven-dovermann.de and mail.sven-dovermann.de share the same IP as dovermann.ac.
Name Servers
dovermann.ac is delegated to name servers ns1.contabo.net, ns2.contabo.net and ns3.contabo.net.
dovermann.ac at least partially shares name servers with other domains such as 105.220.158.in-addr.arpa, toyblade.com, ifmec.de, cdm-service.de and m2pack.me.
Host names with two IP numbers:
ns1.contabo.net points to 2a02:c207:ff00:1200::1 and 5.180.150.13.
ns2.contabo.net points to 2a02:c202:5028:1200::1 and 195.179.224.10.
ns3.contabo.net points to 2605:a140:5028:1200::1 and 209.126.15.15.
Mail Servers
dovermann.ac is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.
dovermann.ac shares mail servers with other domains at least in part, for instance drk-leverkusen.de, simmonsfoods.net, pigeonpost.com, navilux.lu and toscani.at.
Host names with one IP number:
mx01.hornetsecurity.com points to: 94.100.132.8
mx02.hornetsecurity.com points to: 94.100.136.8
mx03.hornetsecurity.com points to: 94.100.134.8
mx04.hornetsecurity.com points to: 94.100.136.7