fst-as.dk

📜 Historical scan 2026-06-25 02:44:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fst-as.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 23 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.87 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fstas-dk0i.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 303ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	— ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 343ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.87	3600s	vm1447.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 275ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fstas-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 52.101.68.8 52.101.73.19 52.101.73.4 52.101.73.8	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	185.21.40.87

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 276ms

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

📝 TXT Records#

1 records 461ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (fst-as.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -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 2026-10-13 01:21:48

www	185.21.40.87 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fst-as.dk: 185.21.40.87 (AS48854) www.fst-as.dk: 185.21.40.87 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

356ms

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

🏷️ SOA#

222ms

Field	Value
Serial	2026041901
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-04 15:29:38

Field	Value
Registrar	Simply.com A/S
Registered	2001-03-23
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

303ms

343ms

275ms

AAAA

231ms

TXT

461ms

CAA

259ms

HTTPS

260ms

TLSA

812ms

SOA

222ms

MTA-STS

241ms

DNSSEC

356ms

SRV

276ms

Total

2493ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:21:48	1280ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-04 15:03:55	1438ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 14:53:21	1182ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 07:01:49	1131ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-06 16:13:57	1108ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 00:53:24	1224ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 10:18:18	3238ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 02:44:06 shown	2493ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 13:10:12	1016ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:37:05	2164ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:27:42	1107ms	2 NS 1 A 1 MX	🔒 Secure