syberg.dk

📜 Historical scan 2026-06-17 22:31:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

syberg.dk is a .dk domain served by 2 nameservers (ns.vest.net, ns2.vest.net). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.mx11.dk. The zone is not DNSSEC-signed, publishes a 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   264ms

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   199ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.mx11.dk 140.82.38.100 mail.mx11.dk AS20473 The Constant Company, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   548ms
TXT Record
v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (syberg.dk)
~all (soft fail) v=spf1 ip4:140.82.38.100 include:mail.mx11.dk include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.syberg.dk)
p=quarantine v=DMARC1; p=quarantine;

📬 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 17:49:34
wwwNXDOMAIN
www vs bare domainNeither resolves
syberg.dk: no address
www.syberg.dk: no address
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

390ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

300ms
FieldValue
Serial2025082002
Primary NS (MNAME)ns.vest.net
Responsible (RNAME)hostmaster@vest.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 18:19:49
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1997-01-31
Expires2027-03-31 (165d)

🔗 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
264ms
A
184ms
MX
199ms
AAAA
197ms
TXT
548ms
CAA
342ms
HTTPS
199ms
TLSA
221ms
SOA
300ms
MTA-STS
247ms
DNSSEC
390ms
SRV
362ms
Total
2562ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 17:49:34 570ms 2 NS 0 A 1 MX 🔓 Insecure
2026-10-09 14:31:54 4465ms 2 NS 0 A 1 MX 🔓 Insecure
2026-10-03 12:25:51 1220ms 2 NS 0 A 1 MX 🔓 Insecure
2026-09-25 17:24:24 9911ms 2 NS 0 A 1 MX 🔓 Insecure
2026-06-25 17:10:49 1214ms 2 NS 0 A 1 MX 🔓 Insecure
2026-06-23 23:54:39 942ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 03:04:26 920ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 22:31:13 shown 2562ms 2 NS 0 A 1 MX 🔓 Insecure
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