fsi.dk

📜 Historical scan 2026-06-17 09:33:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fsi.dk is a .dk domain served by 2 nameservers (kolton.ns.cloudflare.com, tara.ns.cloudflare.com). It was registered on 22 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fsi-dk.mail.protection.outlook.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 167ms

Nameserver	IP addresses	PTR	ASN / ISP
kolton.ns.cloudflare.com	—	—	—
tara.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 168ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.248	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.138	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 164ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	fsi-dk.mail.protection.outlook.com	52.101.68.18 52.101.68.32 52.101.73.1 52.101.73.22	mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 166ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2ef8	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a98a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 2116ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.4,188.114.97.4 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::4,2a06:98c1:3121::4

📝 TXT Records#

2 records 273ms

TXT Record
MS=ms71606462
v=spf1 include:spf.protection.outlook.com include:_spf.ricambio.net ip4:185.20.205.50 ip4:94.231.110.141 ip4:94.231.110.140 ip4:185.163.189.23 ~all

✉️ SPF#

Policy	Record (fsi.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.ricambio.net ip4:185.20.205.50 ip4:94.231.110.141 ip4:94.231.110.140 ip4:185.163.189.23 ~all

📨 DMARC#

Policy	Record (_dmarc.fsi.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:ks@fsi.dk; ruf=mailto:ks@fsi.dk; fo=1

📬 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 2026-10-17 00:16:47

www	104.21.46.248 172.67.169.138 2606:4700:3036::6815:2ef8 2606:4700:3036::ac43:a98a (AS13335) (address records, no CNAME)
www vs bare domain	Same network fsi.dk: 104.21.46.248 172.67.169.138 2606:4700:3036::6815:2ef8 2606:4700:3036::ac43:a98a (AS13335) www.fsi.dk: 104.21.46.248 172.67.169.138 2606:4700:3036::6815:2ef8 2606:4700:3036::ac43:a98a (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fsi-dk._domainkey.fsiptdk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2085ms

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

🏷️ SOA#

2079ms

Field	Value
Serial	2405437099
Primary NS (MNAME)	kolton.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 16:23:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-04-22
Expires	2036-06-30 (3541d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

167ms

168ms

164ms

AAAA

166ms

TXT

273ms

CAA

165ms

HTTPS

2116ms

TLSA

427ms

SOA

2079ms

MTA-STS

45ms

DNSSEC

2085ms

SRV

0ms

Total

3060ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 00:16:47	1596ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 04:19:18	977ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 00:20:44	10590ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 00:46:10	4331ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 13:54:33	6745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-11 15:01:25	10921ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-13 01:23:53	1918ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 16:53:40	1120ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 06:02:24	5872ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 19:43:18	971ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:46:25	982ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 09:33:52 shown	3060ms	2 NS 2 A 1 MX	🔓 Insecure