olsf.dk - robtex.com
olsf.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.108.148🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux31.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 | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com -all | ||||||
| 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 1784806561localtime Thu Jul 23 13:36:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784806561 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSns01.one.com2015-07-11 → 2017-02-11 · 4 obs
● 2017-02-11 00:49:30
○ 2026-06-12 11:41:32
○ 2026-07-23 12:09:34
○NSns02.one.com2015-07-11 → 2017-02-11 · 4 obs
● 2017-02-11 00:49:30
○ 2026-06-12 11:41:32
○ 2026-07-23 12:09:34
●NSns1.simply.com2026-06-12 → 2026-07-23 · 3 obs
● 2026-06-12 11:41:32
● 2026-07-23 12:09:34
●NSns2.simply.com2026-06-12 → 2026-07-23 · 3 obs
● 2026-06-12 11:41:32
● 2026-07-23 12:09:34
●NSns3.simply.com2026-06-12 → 2026-07-23 · 3 obs
● 2026-06-12 11:41:32
● 2026-07-23 12:09:34
●MXmx.simply.com2026-06-12 → 2026-07-23 · 3 obs
● 2026-06-12 11:41:32
● 2026-07-23 12:09:34
○MXmxcluster1.one.com2015-07-11 → 2017-02-11 · 4 obs
● 2017-02-11 00:49:30
○ 2026-06-12 11:41:32
○ 2026-07-23 12:09:34
○MXmxcluster2.one.com2015-07-11 → 2017-02-11 · 4 obs
● 2017-02-11 00:49:30
○ 2026-06-12 11:41:32
○ 2026-07-23 12:09:34
○A46.30.212.2022015-07-11 → 2016-04-29 · 4 obs
● 2016-04-29 16:51:54
○ 2017-02-11 00:49:30
○ 2026-07-23 12:09:34
○A46.30.213.2382017-02-11 → 2017-02-11 · 4 obs
● 2017-02-11 00:49:30
○ 2026-06-12 11:41:32
○ 2026-07-23 12:09:34
●A94.231.108.1482026-06-12 → 2026-07-23 · 3 obs
● 2026-06-12 11:41:32
● 2026-07-23 12:09:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | 12 records |
| olsf.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.108.148 |
| NS | 3 | ns3.simply.com, ns1.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.simply.com -all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (b.nic.dk, c.nic.dk, h.nic.dk...)
Analysis
IP Addresses
olsf.dk points to a single IP number: 94.231.108.148.
Additional host names — agdal.dk, thistednyt.dk, familjetips.se and two others — share IP numbers with olsf.dk.
Name Servers
olsf.dk is delegated to three name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.
At least some of olsf.dk's name servers are shared with other domains, for example p2h.dk, magic-sticks.com, benchie.dk and two more.
These name servers are frequently paired with the name servers ns4.simply.com, ns3.unoeuro.com, ns4.unoeuro.com and two others.
Host names with two IP numbers:
ns1.simply.com points to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com points to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names pointing to a single IP address:
ns3.simply.com points to 91.197.248.79.
Mail Servers
olsf.dk has one mail server: mx.simply.com.
olsf.dk shares the same mail server setup as other domains, including 2081.dk, 2match.dk, hyltagf.se and two others.
mx.simply.com resolves to a single IP number: 94.231.106.20.