fsi.dk

📜 Historical scan 2026-06-27 16:53:40 · ← 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 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
kolton.ns.cloudflare.com	108.162.195.25 162.159.44.25 172.64.35.25 2606:4700:58::a29f:2c19 2803:f800:50::6ca2:c319 2a06:98c1:50::ac40:2319	kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tara.ns.cloudflare.com	108.162.192.225 172.64.32.225 173.245.58.225 2606:4700:50::adf5:3ae1 2803:f800:50::6ca2:c0e1 2a06:98c1:50::ac40:20e1	tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.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 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.248	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.138	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	fsi-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.18 52.101.68.27 52.101.68.29	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.169.138
🔶 Autoconfig	104.21.46.248

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:2ef8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a98a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.248,172.67.169.138 ech=AEX+DQBBbgAgACDMXTfKpZqwqGkOdYz6sNcNzkV86QsvnUWmtDwc24PKMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:2ef8,2606:4700:3036::ac43:a98a

📝 TXT Records#

2 records 197ms

TXT Record
MS=ms71606462
v=spf1 include:spf.protection.outlook.com include:_spf.ricambio.net include:emsd1.com ~all

✉️ SPF#

Policy	Record (fsi.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.ricambio.net include:emsd1.com ~all

📨 DMARC#

Policy	Record (_dmarc.fsi.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:ks@fsi.dk

📬 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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2407173498
Primary NS (MNAME)	kolton.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

66ms

55ms

AAAA

38ms

TXT

197ms

CAA

35ms

HTTPS

59ms

TLSA

286ms

SOA

43ms

MTA-STS

61ms

DNSSEC

87ms

SRV

49ms

Total

1120ms

🕐 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 shown	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	3060ms	2 NS 2 A 1 MX	🔓 Insecure