optuner.dk - dns.ninja
optuner.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.20.216.204🇩🇰 ASN-ATEA-DK178.20.216.0/24 | ||||||
| PTR | sentido.dotserv.com | ||||||
| NS | ns1.dotserv.com ⭐ | ||||||
| A | 2a01:7cc0:101:ffff::51🇩🇰 ASN-ATEA-DK2a01:7cc0:100::/40 | ||||||
| PTR | ns1.dotserv.com | ||||||
| A | 178.20.218.61🇩🇰 ASN-ATEA-DK178.20.218.0/24 | ||||||
| PTR | ns1.dotserv.com | ||||||
| NS | ns1.dotserv.net | ||||||
| A | 2a01:7cc0:101:ffff::52🇩🇰 ASN-ATEA-DK2a01:7cc0:100::/40 | ||||||
| PTR | ns2.dotserv.com | ||||||
| A | 178.20.217.29🇩🇰 ASN-ATEA-DK178.20.217.0/24 | ||||||
| PTR | ns1.dotserv.net | ||||||
| NS | ns2.dotserv.com | ||||||
| A | 193.180.214.21🇸🇪 WEBDOCK-AS193.180.208.0/21 Webdock.io ApS | ||||||
| PTR | ns2.dotserv.com | ||||||
| NS | ns2.dotserv.net | ||||||
| A | 2001:41d0:701:1100::c89e🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns2.dotserv.net | ||||||
| A | 162.19.249.51🇫🇷 OVH162.19.128.0/17 | ||||||
| PTR | ns2.dotserv.net | ||||||
| MX | sentido.dotserv.com ⭐ | ||||||
| A | 178.20.216.204🇩🇰 ASN-ATEA-DK178.20.216.0/24 | ||||||
| PTR | sentido.dotserv.com | ||||||
| TXT | v=spf1 include:_spf.dotserv.com ip4:81.19.232.0/24 ip4:81.7.161.0/24 ip4:193.... | ||||||
| SOA | ns1.dotserv.comhostmaster@dotserv.com 2021-02-04 #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 1783145161localtime Sat Jul 4 08:06:01 2026gmtime Sat Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1783145161 | ||||||
Previously MX for
optuner.dk |
Same first word
optuner.dk |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns1.dotserv.com2015-08-13 → 2026-07-04 · 2 obs
● 2026-07-04 06:24:54
●NSns1.dotserv.net2015-08-13 → 2026-07-04 · 2 obs
● 2026-07-04 06:24:54
●NSns2.dotserv.com2015-08-13 → 2026-07-04 · 2 obs
● 2026-07-04 06:24:54
●NSns2.dotserv.net2015-08-13 → 2026-07-04 · 2 obs
● 2026-07-04 06:24:54
○MXoptuner.dk2015-08-13 → 2017-06-01 · 4 obs
● 2017-06-01 09:45:18
○ 2026-03-29 00:58:16
○ 2026-07-04 06:24:54
●MXsentido.dotserv.com2026-03-29 → 2026-07-04 · 3 obs
● 2026-03-29 00:58:16
● 2026-07-04 06:24:54
●A178.20.216.2042026-03-29 → 2026-07-04 · 3 obs
● 2026-03-29 00:58:16
● 2026-07-04 06:24:54
○A194.126.234.912015-08-13 → 2017-06-01 · 4 obs
● 2017-06-01 09:45:18
○ 2026-03-29 00:58:16
○ 2026-07-04 06:24:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | h.nic.dk, t.nic.dk, s.nic.dk, c.nic.dk... | - |
| optuner.dk | ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com, ns2.dotserv.net | - |
✅ Authoritative Response
Server:178.20.218.61
NS records: ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com, ns2.dotserv.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optuner.dk (unsigned zone)
⏱️ Timing
Total: 884ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.20.216.204 |
| NS | 4 | ns2.dotserv.com, ns1.dotserv.net... |
| MX | 1 | sentido.dotserv.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.dotserv.com ip4:81.1 |
| SOA | 1 | ns1.dotserv.com hostmaster.dotserv.com |
Analysis
IP Addresses
optuner.dk directs to one IP number, which is 178.20.216.204.
Among the host names that share IP numbers with optuner.dk are mail.usability.dk, usability.dk, www.usability.dk and two others.
Name Servers
The domain optuner.dk is delegated to these four name servers: ns1.dotserv.com, ns2.dotserv.com, ns1.dotserv.net and ns2.dotserv.net.
At least some of optuner.dk's name servers are shared with other domains, for example wandborg.dk, karimi.dk, frklarsen.dk and two more.
Hosts with two IP numbers each:
ns1.dotserv.com maps to two IP addresses — 178.20.218.61 and 2a01:7cc0:101:ffff::51.
ns1.dotserv.net maps to two IP addresses — 178.20.217.29 and 2a01:7cc0:101:ffff::52.
ns2.dotserv.net maps to two IP addresses — 162.19.249.51 and 2001:41d0:701:1100::c89e.
Hosts that resolve to one IP address:
ns2.dotserv.com points to the IP address 193.180.214.21.
Mail Servers
optuner.dk routes its mail through a single mail server, sentido.dotserv.com.
optuner.dk has the same mail server arrangement as a number of other domains, for example oleg.dk, usability.dk, evagregersen.dk and two more.
There is one IP number for sentido.dotserv.com: 178.20.216.204.