syberg.dk

📜 Historical scan 2026-06-25 17:10:49  ·  ← 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   307ms

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   375ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s 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   468ms
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#

889ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

344ms
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
307ms
A
372ms
MX
375ms
AAAA
604ms
TXT
468ms
CAA
340ms
HTTPS
622ms
TLSA
37ms
SOA
344ms
MTA-STS
108ms
DNSSEC
889ms
SRV
591ms
Total
1214ms

🕐 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 shown 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 2562ms 2 NS 0 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone