fs.dk

📜 Historical scan 2026-06-25 17:47:39 · ← 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.mail.protection.outlook.com. 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 49ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.73.212.185	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	fs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.32 52.101.68.36 52.101.68.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.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 257ms

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

📝 TXT Records#

11 records 225ms

TXT Record
_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#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026052808
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#

2 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
finansiel-stabilitet.dk	Eurodns S.A
gii.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

49ms

52ms

43ms

AAAA

42ms

TXT

225ms

CAA

70ms

HTTPS

52ms

TLSA

580ms

SOA

41ms

MTA-STS

44ms

DNSSEC

73ms

SRV

257ms

Total

1396ms

🕐 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	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 shown	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