3fsyd.dk

📜 Historical scan 2026-06-24 10:20:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3fsyd.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 27 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.dynamicsystems.dk, mx2.dynamicsystems.dk. The zone is DNSSEC-signed but currently fails validation, 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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dynamicsystems.dk	81.95.243.24	—	AS48854 team.blue Denmark A/S
10	3600s	mx2.dynamicsystems.dk	81.95.243.24	—	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 07:36:42

www CNAME	tiger.dynamicsystems.dk (all on dynamicsystems.dk) → 81.95.241.89 (AS48854)
www vs bare domain	Only www resolves 3fsyd.dk: no address www.3fsyd.dk: 81.95.241.89 (AS48854) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving '3fsyd.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

90ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-15 08:34:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-08-27
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

74ms

79ms

AAAA

81ms

TXT

265ms

CAA

74ms

HTTPS

78ms

TLSA

111ms

SOA

90ms

MTA-STS

90ms

DNSSEC

127ms

SRV

245ms

Total

777ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 10:37:17	231ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 08:12:43	631ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 22:41:41	481ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-12 14:44:07	480ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-28 16:55:11	776ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-27 23:55:06	1492ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-26 17:44:33	539ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-24 10:20:44 shown	777ms	2 NS 0 A 2 MX	⚠️ Bogus
2026-06-16 12:49:35	1045ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-16 12:49:17	1384ms	2 NS 0 A 2 MX	🔒 Secure