fst-as.dk

Records from scan: 2026-10-13 01:21:48 · 1280ms total · last checked 2026-10-17 03:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fst-as.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). 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 not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

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 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fstas-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 2a01:111:f403:ca21::e 52.101.181.153 52.101.209.31 52.101.68.10 52.101.68.12	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.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 → 52.98.149.136
🔶 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 83ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 127ms

TXT Record
<04.09.2026>
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#

Policy	Record (_dmarc.fst-as.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100

📬 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#

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#

115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

22ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

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

Field	Value
Registrar	Simply.com A/S
Registered	2001-03-23
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

35ms

42ms

AAAA

36ms

TXT

127ms

CAA

30ms

HTTPS

36ms

TLSA

646ms

SOA

22ms

MTA-STS

49ms

DNSSEC

115ms

SRV

83ms

Total

1280ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:21:48 shown	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	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