fs.dk

📜 Historical scan 2026-08-27 10:40:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fs.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.73.212.185 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by fs-dk.f-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

4 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 2039ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.73.212.185	3598s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	fs-dk.f-v1.mx.microsoft	2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::26 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.3 52.101.73.15 52.101.73.22	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 115ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

12 records 364ms

TXT Record
_globalsign-domain-verification=3Pi715vm2JoToP5Kj0bhx-5Dk1DW6YDc_KFLf961uA
_globalsign-domain-verification=5787bksnrJQ2gtSgiB3Sq0Dx81Z_K9rtUjH05ZEg-K
_globalsign-domain-verification=8wM3g4MrmC5nQetbijhfuK8YSS4gnCIoB6bFtrJ8KH
_globalsign-domain-verification=AEKgK0TSiPdZBATx5xZ3CQZIm_kJptpYjEvwJAgwv8
_globalsign-domain-verification=WyoRrLIPptYDMZKR11lv1mIy4lcE5hfNCQzKxAmlFM
+0m38c+SfobLWPEIvRuDlq+p/nO8n76H65TMkSB++RE=
2C9232FD0DF439A42319D48AFB5A268DE508EC1A7DC68D3178621D7B130C0D71
fM8MM/b2C5Jzu2Xbzu4/IXLkbhjdSkTlyN8Pp8D91WmDekQjcAbiexVtR/dDVEmvtMJSrEnvRveJk0YPYCqQQg==
globalsign-domain-verification=mF5sCettIajMnc4jCn9tpV_e0YP2JwKyhIMcb7FlKu
MS=ms42452862
teamviewer-sso-verification=9278314f813944b0bea27ea47e52376e
v=spf1 +include:_senderidstd.bec.dk -all

✉️ SPF#

Policy	Record (fs.dk)
-all (hard fail)	v=spf1 +include:_senderidstd.bec.dk -all

📨 DMARC#

Policy	Record (_dmarc.fs.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-11 02:38:50

www CNAME	fs.dk (all on fs.dk) → 20.73.212.185 (AS8075)
www vs bare domain	Same network fs.dk: 20.73.212.185 (AS8075) www.fs.dk: 20.73.212.185 (AS8075)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u48421539.wl040.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u48421539.wl040.sendgrid.net	RSA · ~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#

4 records 79ms

Service / Owner	Type	Cert association
SMTP _25._tcp.fs-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.fs-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.fs-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.fs-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

122ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081305
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 17:45:20

Field	Value
Registrar	Eurodns S.A
Registered	1996-04-23
Expires	2027-01-31 (105d)

🔗 Same registrant#

1 domain

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
finansiel-stabilitet.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

69ms

2039ms

58ms

AAAA

59ms

TXT

364ms

CAA

62ms

HTTPS

62ms

TLSA

79ms

SOA

0ms

MTA-STS

60ms

DNSSEC

122ms

SRV

115ms

Total

2615ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 02:38:49	2418ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-08 17:53:16	1023ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 15:24:08	986ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 15:16:42	911ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 21:19:17	885ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 03:06:37	806ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-06 11:55:01	807ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:40:52 shown	2615ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-16 22:48:51	1960ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-15 05:37:28	4613ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-14 01:38:27	8171ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-11 13:54:07	1593ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-08 01:54:49	1915ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-01 06:03:58	9006ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-27 09:09:25	1626ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-11 05:25:46	1620ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-09 03:29:47	2584ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 17:47:39	1396ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:28:12	2053ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:07:10	1355ms	4 NS 1 A 1 MX	🔒 Secure