dff.dk - dns.ninja
dff.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 1785926521localtime Wed Aug 5 12:42:01 2026gmtime Wed Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785926521 | ||||||
rank #1038 in the tld
WOT: SAFE (60/100)
Same first word
Similar names
DNS History
19 records (11 active, 8 former)
○NSns01.tdcwebmore.dk2015-07-21 → 2016-05-17 · 4 obs
● 2016-05-17 11:28:10
○ 2020-02-22 21:36:56
○ 2026-08-05 11:08:00
○NSns02.tdcwebmore.dk2015-07-21 → 2016-05-17 · 4 obs
● 2016-05-17 11:28:10
○ 2020-02-22 21:36:56
○ 2026-08-05 11:08:00
○NSns2.sitnet.dk2020-02-22 → 2020-12-20 · 5 obs
● 2020-02-22 21:36:56
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
○NSns3.sitnet.dk2020-02-22 → 2020-12-20 · 5 obs
● 2020-02-22 21:36:56
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
●NSns6.sitnet.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●NSns7.sitnet.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx01.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx02.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx03.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx04.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx05.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx06.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx07.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
●MXmx08.statens-it.dk2026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
○MXmx5.sitnet.dk2020-02-22 → 2020-12-20 · 4 obs
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
○MXmx6.sitnet.dk2020-02-22 → 2020-12-20 · 4 obs
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
○MXmx7.sitnet.dk2020-12-20 → 2020-12-20 · 4 obs
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
●A188.64.157.922026-03-10 → 2026-08-05 · 3 obs
● 2026-03-10 20:02:58
● 2026-08-05 11:08:00
○A77.247.72.572020-02-22 → 2020-12-20 · 4 obs
● 2020-12-20 10:49:58
○ 2026-03-10 20:02:58
○ 2026-08-05 11:08:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, s.nic.dk, t.nic.dk, b.nic.dk... | - |
| dff.dk | ns6.sitnet.dk, ns7.sitnet.dk | 4 records |
✅ Authoritative Response
Server:107.162.176.221
NS records: ns6.sitnet.dk, ns7.sitnet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1671ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.64.157.92 |
| NS | 2 | ns6.sitnet.dk, ns7.sitnet.dk |
| MX | 8 | mx02.statens-it.dk (pri: 10), mx01.statens-it.dk (pri: 10)... |
| TXT | 1 | v=spf1 ip4:194.182.109.192/26 ip4:188.64 |
| SOA | 1 | ns6.sitnet.dk hostmaster.statens-it.dk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns6.sitnet.dk, ns6.sitnet.dk, ns7.sitnet.dk...)
Analysis
IP Addresses
dff.dk points to a single IP number: 188.64.157.92.
Additional host names — stil.dk, uim.dk, ufm.dk and two others — share IP numbers with dff.dk.
Name Servers
dff.dk has two authoritative name servers — ns6.sitnet.dk and ns7.sitnet.dk.
dff.dk shares its name server setup with other domains, including kuas.dk, mst.dk, skovognaturstyrelsen.dk and two others.
Some name servers delegated to dff.dk are also used by other domains, notably cfp-research.com and fritvalgsdatabase.dk.
These name servers are routinely deployed together with the name servers sit-dhcp001.prod.sitad.dk.
Both ns6.sitnet.dk and ns7.sitnet.dk have two IP addresses each. ns6.sitnet.dk resolves to 107.162.234.197 and 2604:e180:1071::3:1; ns7.sitnet.dk resolves to 107.162.176.221 and 2604:e180:1071::ffff:6ba2:b0dd.
Mail Servers
dff.dk accepts email via 8 mail servers: mx01.statens-it.dk, mx02.statens-it.dk, mx03.statens-it.dk and 5 other.
dff.dk shares mail servers — at least in part — with other domains, including govcloud.dk, dketik.dk, dfi.dk and two others.
These mail servers are frequently used alongside the mail servers mx04.statens-it.dk, mx05.statens-it.dk and mx06.statens-it.dk, plus two others.
Host names pointing to a single IP address:
mx01.statens-it.dk resolves to 194.182.109.217.
mx02.statens-it.dk resolves to 194.182.109.218.
mx03.statens-it.dk resolves to 194.182.109.219.
mx04.statens-it.dk resolves to 194.182.109.220.
mx05.statens-it.dk resolves to 194.182.109.221.
mx06.statens-it.dk resolves to 194.182.109.222.
mx07.statens-it.dk resolves to 194.182.109.223.
mx08.statens-it.dk resolves to 194.182.109.224.