fdf.dk - dns.ninja
fdf.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 1786119660localtime Fri Aug 7 18:21:00 2026gmtime Fri Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786119666 | ||||||
rank #1661 in the tld
WOT: SAFE (61/100)
Subdomains
Same first word
Similar names
DNS History
15 records (8 active, 7 former)
●NSns01.one.com2026-02-14 → 2026-08-07 · 3 obs
● 2026-02-14 17:53:42
● 2026-08-07 17:11:36
●NSns02.one.com2026-02-14 → 2026-08-07 · 3 obs
● 2026-02-14 17:53:42
● 2026-08-07 17:11:36
○NSns1.gratisdns.dk2015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
○NSns2.gratisdns.dk2015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
○NSns3.gratisdns.dk2015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
○NSns4.gratisdns.dk2015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
○NSns5.gratisdns.dk2015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
●MXalt1.aspmx.l.google.com2016-03-03 → 2026-08-07 · 3 obs
● 2016-03-03 03:46:22
● 2026-08-07 17:11:36
●MXalt2.aspmx.l.google.com2016-03-03 → 2026-08-07 · 3 obs
● 2016-03-03 03:46:22
● 2026-08-07 17:11:36
●MXalt3.aspmx.l.google.com2016-03-03 → 2026-08-07 · 3 obs
● 2016-03-03 03:46:22
● 2026-08-07 17:11:36
●MXalt4.aspmx.l.google.com2016-03-03 → 2026-08-07 · 3 obs
● 2016-03-03 03:46:22
● 2026-08-07 17:11:36
●MXaspmx.l.google.com2016-03-03 → 2026-08-07 · 3 obs
● 2016-03-03 03:46:22
● 2026-08-07 17:11:36
○MXmxgw.fdf.dk2015-08-29 → 2016-02-21 · 4 obs
● 2016-02-21 18:58:10
○ 2016-03-03 03:46:22
○ 2026-08-07 17:11:36
●A185.21.40.452026-02-14 → 2026-08-07 · 3 obs
● 2026-02-14 17:53:42
● 2026-08-07 17:11:36
○A37.49.143.1882015-08-29 → 2020-12-19 · 4 obs
● 2020-12-19 05:53:04
○ 2026-02-14 17:53:42
○ 2026-08-07 17:11:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| fdf.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 923ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.40.45 |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, facebook-domain-verification=o0q5mhs5kd7 |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
webmail.fdf.dk, medlem.fdf.dk, carla.fdf.dk and mxgw.fdf.dk are all subdomains of fdf.dk.
IP Addresses
fdf.dk points to a single IP number: 185.21.40.45.
Additional host names — curanet.dk.ertmann-bilindretning.dk, hostmaster.gta.dk, www.bosack.dk and two others — share IP numbers with fdf.dk.
Name Servers
fdf.dk is delegated to two name servers: ns01.one.com and ns02.one.com.
fdf.dk shares its name server setup with other domains, including conricus.com, medquiz.se, hensel.no and two others.
ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Five mail servers handle fdf.dk: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
fdf.dk shares mail servers — at least in part — with other domains, including snugglenook.com, ns500759.ns500759.ns500758.ns500735.ns500735.ns500698.ns500735.ns500735.ns500735.ns500576.ns500576.ns500698.ns500619.ns500652.ns500619.trackreceptor.com, ns500758.ns500698.ns500759.ns500758.ns500735.ns500735.ns500736.ns500698.ns500698.ns500686.ns500619.ns500652.ns500576.trackreceptor.com and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com points to 172.253.62.26 and 2607:f8b0:4004:c09::1b.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.