fnet.dk

📜 Historical scan 2026-06-19 21:30:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fnet.dk is a .dk domain served by 2 nameservers (gordon.ns.cloudflare.com, laura.ns.cloudflare.com). It was registered on 18 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.223 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 184ms

Nameserver	IP addresses	PTR	ASN / ISP
gordon.ns.cloudflare.com	108.162.193.170 172.64.33.170 173.245.59.170 2606:4700:58::adf5:3baa 2803:f800:50::6ca2:c1aa 2a06:98c1:50::ac40:21aa	gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.223	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.189	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 169ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.28.223
🔶 Autoconfig	172.67.147.189

🔷 AAAA Records (IPv6)#

2 records 169ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:1cdf	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:93bd	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.223,172.67.147.189 ech=AEX+DQBBBQAgACAVsMpmgZ3l/SMtYfyeo5fqitS5TdYk2W+6eZ/m+mH/YgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:1cdf,2606:4700:3036::ac43:93bd

📝 TXT Records#

1 records 233ms

TXT Record
v=spf1 include:spf.improvmx.com ?all

✉️ SPF#

Policy	Record (fnet.dk)
?all (neutral)	v=spf1 include:spf.improvmx.com ?all

📨 DMARC#

Policy	Record (_dmarc.fnet.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 05:48:21

www	192.0.2.1 (address records, no CNAME)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

59ms

Field	Value
Serial	2404649844
Primary NS (MNAME)	gordon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 06:23:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-18
Expires	2027-07-31 (287d)

🔗 Same registrant#

9 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
arsenalfc.dk	Punktum dk A/S (direct)
cphcw.dk	Punktum dk A/S (direct)
kontakter.dk	Punktum dk A/S (direct)
minverden.dk	Punktum dk A/S (direct)
sax.dk	Punktum dk A/S (direct)
snerdet.dk	Punktum dk A/S (direct)
spotifyguide.dk	Punktum dk A/S (direct)
åd.dk	Punktum dk A/S (direct)
æv.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

184ms

40ms

169ms

AAAA

169ms

TXT

233ms

CAA

183ms

HTTPS

39ms

TLSA

98ms

SOA

59ms

MTA-STS

38ms

DNSSEC

76ms

SRV

182ms

Total

670ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 05:48:21	1653ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-15 04:35:46	764ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-12 22:59:48	1757ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-11 18:15:03	2621ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-10 16:55:33	638ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-26 06:23:26	9683ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-17 07:10:33	1228ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-14 07:47:32	857ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-14 23:51:24	1556ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-17 20:13:32	1421ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-26 11:40:57	962ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 18:36:23	913ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 21:30:00 shown	670ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 09:19:10	1219ms	2 NS 2 A 2 MX	🔓 Insecure