itknow.dk - dns.ninja
itknow.dk
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 1782447121localtime Fri Jun 26 06:12:01 2026gmtime Fri Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782447121 | ||||||
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
○NSns1.gratisdns.dk2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
●NSns1.simply.com2026-04-03 → 2026-06-26 · 3 obs
● 2026-04-03 11:05:24
● 2026-06-26 04:16:24
○NSns2.gratisdns.dk2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
●NSns2.simply.com2026-04-03 → 2026-06-26 · 3 obs
● 2026-04-03 11:05:24
● 2026-06-26 04:16:24
○NSns3.gratisdns.dk2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
●NSns3.simply.com2026-04-03 → 2026-06-26 · 3 obs
● 2026-04-03 11:05:24
● 2026-06-26 04:16:24
○NSns4.gratisdns.dk2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○NSns5.gratisdns.dk2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXalt1.aspmx.l.google.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXalt2.aspmx.l.google.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXaspmx.l.google.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXaspmx2.googlemail.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXaspmx3.googlemail.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXaspmx4.googlemail.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
○MXaspmx5.googlemail.com2015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
●MXmail.protonmail.ch2026-04-03 → 2026-06-26 · 3 obs
● 2026-04-03 11:05:24
● 2026-06-26 04:16:24
●MXmailsec.protonmail.ch2026-04-03 → 2026-06-26 · 3 obs
● 2026-04-03 11:05:24
● 2026-06-26 04:16:24
○A90.184.195.1282015-05-31 → 2018-09-05 · 4 obs
● 2018-09-05 12:14:00
○ 2026-04-03 11:05:24
○ 2026-06-26 04:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| itknow.dk | ns3.simply.com, ns2.simply.com, ns1.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns3.simply.com, ns2.simply.com, ns1.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2290ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.simply.com, ns2.simply.com... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 3 | v=spf1 include:_spf.protonmail.ch ~all, mistral-domain-verification=29edbef08317... |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Name Servers
itknow.dk has three name servers — ns1.simply.com, ns2.simply.com and ns3.simply.com.
itknow.dk shares at least some of its name servers with other domains, including vammen.eu, lyd-udlejning.dk, kosmopolitik.dk and two others.
These name servers are frequently paired with the name servers ns4.simply.com, ns1.unoeuro.com, ns2.unoeuro.com and two others.
Host names with two IP numbers:
ns1.simply.com resolves to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com resolves to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names pointing to a single IP address:
ns3.simply.com resolves to 91.197.248.79.
Mail Servers
itknow.dk has two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.
itknow.dk shares the same mail server setup as other domains, including nomad-pc.com, blackstoneit.com, botnadzor.org and two others.
itknow.dk shares mail servers — at least in part — with other domains, including runtogold.com, safecash.io, kaliph.com and two others.
mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.