optimization.dk - robtex.com
optimization.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.107.70🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux32.unoeuro.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| NS | ns4.simply.com | ||||||
| A | 91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns4.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-04-23 #0 | ||||||
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 1784736541localtime Wed Jul 22 18:09:01 2026gmtime Wed Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784736541 | ||||||
Same first word
DNS History
15 records (6 active, 9 former)
○NSns0.dns-services.org2015-07-04 → 2017-02-03 · 4 obs
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-07-22 16:37:08
○NSns1.dns-services.org2015-07-04 → 2017-02-03 · 4 obs
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-07-22 16:37:08
●NSns1.simply.com2026-02-28 → 2026-07-22 · 3 obs
● 2026-02-28 23:50:20
● 2026-07-22 16:37:08
○NSns1.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-07-22 16:37:08
●NSns2.simply.com2026-02-28 → 2026-07-22 · 3 obs
● 2026-02-28 23:50:20
● 2026-07-22 16:37:08
○NSns2.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-07-22 16:37:08
●NSns3.simply.com2026-02-28 → 2026-07-22 · 3 obs
● 2026-02-28 23:50:20
● 2026-07-22 16:37:08
○NSns3.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-07-22 16:37:08
●NSns4.simply.com2026-02-28 → 2026-07-22 · 3 obs
● 2026-02-28 23:50:20
● 2026-07-22 16:37:08
○NSns4.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-07-22 16:37:08
●MXmx.simply.com2026-02-28 → 2026-07-22 · 6 obs
● 2026-02-28 23:50:20
● 2026-05-24 20:01:16
○ 2026-05-29 21:13:46
● 2026-06-08 05:07:54
● 2026-07-22 16:37:08
○MXmx.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-07-22 16:37:08
○MXsmtp.danhost.dk2015-07-04 → 2017-02-03 · 4 obs
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-07-22 16:37:08
○A31.193.237.1682015-07-04 → 2017-02-03 · 4 obs
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-07-22 16:37:08
●A94.231.107.702020-02-20 → 2026-07-22 · 6 obs
● 2020-02-20 10:03:00
● 2026-05-24 20:01:16
○ 2026-05-29 21:13:46
● 2026-06-08 05:07:54
● 2026-07-22 16:37:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| optimization.dk | ns4.simply.com, ns3.simply.com, ns1.simply.com, ns2.simply.com | - |
✅ Authoritative Response
Server:185.25.141.15
NS records: ns4.simply.com, ns3.simply.com, ns1.simply.com, ns2.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1125ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.107.70 |
| NS | 4 | ns4.simply.com, ns2.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
optimization.dk has exactly one IP address — 94.231.107.70.
www.henrikbjerg.dk, tracemydevice.com, mail.bifrostskolen.com plus two other host names have IP numbers in common with optimization.dk.
Name Servers
Four name servers handle the delegation for optimization.dk: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
optimization.dk partially shares its NS delegation with several other domains, including dofler.dk, celebrate-africa.com, autofinder.dk and two others.
These name servers often co-occur with the name servers ns1.unoeuro.com.
Host names pointing to two IP addresses:
ns1.simply.com maps to two IP addresses — 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com maps to two IP addresses — 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names resolving to a single IP address:
ns3.simply.com points to the IP address 91.197.248.79.
ns4.simply.com points to the IP address 91.197.248.80.
Mail Servers
optimization.dk uses one mail server — mx.simply.com.
The mail server setup of optimization.dk matches that of other domains such as imfeld.com, shortcuttools.com, teatermorgana.dk and two others.
There is one IP number for mx.simply.com: 94.231.106.20.