rfgk.dk - robtex.com
rfgk.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 1784465281localtime Sun Jul 19 14:48:01 2026gmtime Sun Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784465281 | ||||||
Same first word
Similar names
DNS History
15 records (11 active, 4 former)
○NSns0.danhost.dk2015-07-10 → 2017-10-11 · 4 obs
● 2017-10-11 12:13:02
○ 2026-06-11 08:45:14
○ 2026-07-19 13:01:54
○NSns1.danhost.dk2015-07-10 → 2017-10-11 · 4 obs
● 2017-10-11 12:13:02
○ 2026-06-11 08:45:14
○ 2026-07-19 13:01:54
●NSns1.simply.com2026-06-11 → 2026-07-19 · 3 obs
● 2026-06-11 08:45:14
● 2026-07-19 13:01:54
●NSns2.simply.com2026-06-11 → 2026-07-19 · 3 obs
● 2026-06-11 08:45:14
● 2026-07-19 13:01:54
●NSns3.simply.com2026-06-11 → 2026-07-19 · 3 obs
● 2026-06-11 08:45:14
● 2026-07-19 13:01:54
●NSns4.simply.com2026-06-11 → 2026-07-19 · 3 obs
● 2026-06-11 08:45:14
● 2026-07-19 13:01:54
●MXmx1.gigahost.dk2016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
●MXmx2.gigahost.dk2016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
●MXmx3.gigahost.dk2016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
○MXsmtp.danhost.dk2015-07-10 → 2016-03-04 · 4 obs
● 2016-03-04 04:59:56
○ 2016-06-27 13:25:12
○ 2026-07-19 13:01:54
●A198.185.159.1442016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
●A198.185.159.1452016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
●A198.49.23.1442016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
●A198.49.23.1452016-06-27 → 2026-07-19 · 3 obs
● 2016-06-27 13:25:12
● 2026-07-19 13:01:54
○A91.144.243.2222015-07-10 → 2016-03-04 · 4 obs
● 2016-03-04 04:59:56
○ 2016-06-27 13:25:12
○ 2026-07-19 13:01:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, l.nic.dk, h.nic.dk, b.nic.dk... | - |
| rfgk.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com | - |
✅ Authoritative Response
Server:91.197.248.78
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: 757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.144, 198.185.159.145... |
| NS | 4 | ns2.simply.com, ns3.simply.com... |
| MX | 3 | mx2.gigahost.dk (pri: 20), mx1.gigahost.dk (pri: 10)... |
| TXT | 1 | v=spf1 mx include:spf.gigahost.dk -all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
rfgk.dk resolves to four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
Two other host names, along with grumpy-graphics.com, kalibaehring.com and piangers.com, also share IP numbers with rfgk.dk.
Name Servers
The NS records for rfgk.dk point to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
rfgk.dk partially shares its NS delegation with several other domains, including haematologisktidsskrift.dk, tandrod.dk, pluk.online and two others.
Host names that have two IP addresses:
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 that point to one IP address:
ns3.simply.com resolves to 91.197.248.79.
ns4.simply.com resolves to 91.197.248.80.
Mail Servers
rfgk.dk uses three mail servers — mx1.gigahost.dk, mx2.gigahost.dk and mx3.gigahost.dk.
There is at least a partial MX overlap between rfgk.dk and other domains, including printxpress.dk, schusundra.dk, stofinfo.dk and two others.
Each of the three hostnames points to exactly one IP address: mx1.gigahost.dk points to 46.183.139.11, mx2.gigahost.dk points to 46.183.139.12 and mx3.gigahost.dk points to 46.183.139.13.