fsr.dk

📜 Historical scan 2026-09-05 20:00:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fsr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.142 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fsr-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#

2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.249.142	3600s	—	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	fsr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 52.101.103.140 52.101.209.28 52.101.68.10 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 210ms

TXT Record
_globalsign-domain-verification=pCvSCEwc0Xib7LQEmTuTTMUHmh9fq-fCM3cB4hyA8B
d365mktkey=8ADfoAslGr7quvFfAarR1x7rvTEh4UUHzx0vFf4kXhYx
d365mktkey=Ank1emhcx8T0C81w6YWJYUSWMcKv1j2asQMchYAVoo8x
include:146079294.spf06.hubspotemail.net
MS=ms92972321
v=spf1 include:spf.protection.outlook.com include:_spf27100.spfprotect.com -all

✉️ SPF#

Policy	Record (fsr.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf27100.spfprotect.com -all

📨 DMARC#

Policy	Record (_dmarc.fsr.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:64525bfe6831c@dmarc.centerasecurity.com;

📬 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 12:57:00

www	81.95.249.40 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fsr.dk: 81.95.249.40 (AS48854) www.fsr.dk: 81.95.249.40 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	—	RSA · ~1024 bit below 2048 bit
s2	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-fsr-dk._domainkey.danskerhverv.p-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-fsr-dk._domainkey.danskerhverv.p-v1.dkim.mail.microsoft	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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

144ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 12:58:15

Field	Value
Registrar	ONE.COM A/S
Registered	1998-05-11
Expires	2028-06-30 (619d)

🔗 Same registrant#

3 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
fsr-revisornetvaerk.dk	ONE.COM A/S
smvportalen.dk	ONE.COM A/S
smvrevisorerne.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

63ms

46ms

91ms

AAAA

49ms

TXT

210ms

CAA

74ms

HTTPS

95ms

TLSA

606ms

SOA

0ms

MTA-STS

64ms

DNSSEC

144ms

SRV

89ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 06:39:47	1358ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 04:48:14	2168ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 04:26:31	956ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 04:09:58	1464ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 02:59:12	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 03:48:14	1430ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 16:08:59	1107ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 20:00:23 shown	1271ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 04:00:00	5317ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 12:32:44	1686ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:00:55	980ms	2 NS 1 A 1 MX	🔒 Secure