f-cs.dk

📜 Historical scan 2026-08-16 19:56:14 · ← 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. Its website address 213.5.39.133 is hosted by Bo data ApS (AS49974) in Denmark. 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 57ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.5.39.133	3600s	213-5-39-133.static.ip.bodata.dk	AS49974	Bo data ApS	213.5.32.0/21	🇩🇰 Denmark	Vildbjerg

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fcs-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::2 52.101.68.16 52.101.68.27 52.101.68.5 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.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

📝 TXT Records#

1 records 164ms

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#

91ms

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

🏷️ SOA#

55ms

Field	Value
Serial	2026080502
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#

57ms

40ms

43ms

AAAA

42ms

TXT

164ms

CAA

56ms

HTTPS

51ms

TLSA

743ms

SOA

55ms

MTA-STS

66ms

DNSSEC

91ms

SRV

64ms

Total

5697ms

🕐 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 shown	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	1327ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:09:46	1097ms	2 NS 1 A 1 MX	🔒 Secure