feldt-tech.dk

📜 Historical scan 2026-06-24 14:04:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feldt-tech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.165 is hosted by One.com A/S (AS51468) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   89ms

🌍 A Records#

1 records   35ms

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.165
🔶 Autoconfig46.30.215.165

🔷 AAAA Records (IPv6)#

1 records   39ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   238ms
TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (feldt-tech.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.feldt-tech.dk)
p=reject v=DMARC1; p=reject

📬 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 2026-10-18 15:08:00
wwwExists, no address
www vs bare domainNeither resolves
feldt-tech.dk: no address
www.feldt-tech.dk: no address
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

37ms
FieldValue
Serial2026041408
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-19 16:25:33
FieldValue
RegistrarONE.COM A/S
Registered2024-10-16
Expires2026-10-15 (expired)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
89ms
A
35ms
MX
168ms
AAAA
39ms
TXT
238ms
CAA
37ms
HTTPS
37ms
TLSA
204ms
SOA
37ms
MTA-STS
82ms
DNSSEC
113ms
SRV
149ms
Total
721ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 22:51:36 123ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-23 18:15:39 113ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-22 10:24:09 155ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-21 01:45:48 128ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-19 16:04:25 738ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-18 15:08:00 339ms 2 NS 0 A 0 MX 🔓 Insecure
2026-10-17 15:04:25 399ms 2 NS 0 A 0 MX 🔓 Insecure
2026-10-16 14:04:18 409ms 2 NS 0 A 0 MX 🔓 Insecure
2026-10-07 21:02:09 482ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-30 18:23:05 964ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-12 15:53:25 644ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-18 07:44:21 4936ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 18:47:33 787ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 14:04:16 shown 721ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-17 09:43:13 977ms 2 NS 1 A 4 MX 🔒 Secure
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