df.dk - dns.ninja
df.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.103.126🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux108.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 | ||||||
| TXT | v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mR... | ||||||
| TXT | MS=ms87444472 | ||||||
| TXT | v=spf1 ip4:213.150.59.248 ip4:213.150.59.197 ip4:213.150.59.3 ip4:185.21.42.... | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-08-19 #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 1780543081localtime Thu Jun 4 05:18:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1780543081 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
○NSns1.curanet.dk2015-08-26 → 2021-10-20 · 4 obs
● 2021-10-20 06:11:10
○ 2026-02-17 08:10:10
○ 2026-06-04 03:26:14
●NSns1.simply.com2026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
○NSns2.curanet.dk2015-08-26 → 2021-10-20 · 4 obs
● 2021-10-20 06:11:10
○ 2026-02-17 08:10:10
○ 2026-06-04 03:26:14
●NSns2.simply.com2026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
●NSns3.simply.com2026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
●NSns4.simply.com2026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
○MXbackup-mx.zitcom.dk2015-08-26 → 2018-03-03 · 4 obs
● 2018-03-03 12:20:40
○ 2018-12-20 09:14:12
○ 2026-06-04 03:26:14
○MXdf-dk.mail.protection.outlook.com2019-08-08 → 2021-10-20 · 5 obs
● 2019-08-08 23:48:28
● 2021-10-20 06:11:10
○ 2026-02-17 08:10:10
○ 2026-06-04 03:26:14
○MXmail.df.dk2015-08-26 → 2018-03-03 · 4 obs
● 2018-03-03 12:20:40
○ 2018-12-20 09:14:12
○ 2026-06-04 03:26:14
●MXmx.simply.com2026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
○MXmx1.onlinemail.io2018-12-20 → 2018-12-20 · 4 obs
● 2018-12-20 09:14:12
○ 2019-08-08 23:48:28
○ 2026-06-04 03:26:14
○MXmx2.onlinemail.io2018-12-20 → 2018-12-20 · 4 obs
● 2018-12-20 09:14:12
○ 2019-08-08 23:48:28
○ 2026-06-04 03:26:14
○A93.191.155.2342015-08-26 → 2017-06-01 · 4 obs
● 2017-06-01 10:53:42
○ 2018-03-03 12:20:40
○ 2026-06-04 03:26:14
○A93.191.155.2402018-03-03 → 2021-10-20 · 5 obs
● 2018-03-03 12:20:40
● 2021-10-20 06:11:10
○ 2026-02-17 08:10:10
○ 2026-06-04 03:26:14
●A94.231.103.1262026-02-17 → 2026-06-04 · 3 obs
● 2026-02-17 08:10:10
● 2026-06-04 03:26:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| df.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com | - |
✅ Authoritative Response
Server:91.197.248.80
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.103.126 |
| NS | 4 | ns2.simply.com, ns3.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 3 | MS=ms87444472, v=spf1 ip4:213.150.59.248 ip4:213.150.5... |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Hierarchy
The domain df.dk is parent to mail.df.dk, www.df.dk and *.df.dk.
IP Addresses
df.dk resolves to just one IP address, 94.231.103.126.
Two other host names, along with byingemann.dk, bjarke.bekhoj.dk and zebrascientific.com, also share IP numbers with df.dk.
Name Servers
DNS for df.dk is handled by 4 name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
At least some of df.dk's name servers are shared with other domains, for example stjernholmco.dk, benzo.dk, matrik.dk and two more.
These name servers are often deployed together with the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.
Host names that have two IP addresses:
ns1.simply.com has two IP addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com has two IP addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names with one IP number:
ns3.simply.com directs to 91.197.248.79.
ns4.simply.com directs to 91.197.248.80.
Mail Servers
The sole mail server for df.dk is mx.simply.com.
Among the domains sharing a mail server setup with df.dk are boap.nl, web3d.dk, termik.dk and two others.
df.dk overlaps on mail servers with certain other domains, mcpherson.dk among them.
mx.simply.com has exactly one IP number: 94.231.106.20.