f-cs.dk

📜 Historical scan 2026-06-19 10:31:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f-cs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by fcs-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 134ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.5.39.133	3600s	213-5-39-133.static.ip.bodata.dk	AS49974	—	—	—	—

📧 MX Records#

1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fcs-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 52.101.68.12 52.101.68.5 52.101.73.15 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 261ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:213.5.39.154 -all

✉️ SPF#

Policy	Record (f-cs.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:213.5.39.154 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 08:43:05

www	213.5.39.133 (AS49974) (address records, no CNAME)
www vs bare domain	Same network f-cs.dk: 213.5.39.133 (AS49974) www.f-cs.dk: 213.5.39.133 (AS49974)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

150ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026061701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

134ms

87ms

132ms

AAAA

128ms

TXT

261ms

CAA

118ms

HTTPS

132ms

TLSA

184ms

SOA

0ms

MTA-STS

85ms

DNSSEC

150ms

SRV

290ms

Total

1327ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:25:31	1107ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 05:56:06	948ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 21:26:28	1329ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 04:16:39	2405ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 01:04:44	1315ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 19:56:14	5697ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 04:19:16	1554ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 02:14:31	2929ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 10:20:41	2861ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:43:10	831ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-21 09:34:14	856ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 10:31:30 shown	1327ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:09:46	1097ms	2 NS 1 A 1 MX	🔒 Secure