optuna.dk

📜 Historical scan 2026-06-17 19:08:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optuna.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.14.90.203 is hosted by Tele2 SWIPnet (AS1257) in Sweden. 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   74ms
NameserverIP addressesPTRASN / ISP
a.portsdns.se 2607:f740:e009::1
45.54.35.101		 a.portsdns.se
a.portsdns.se		 AS63911 NetActuate, Inc
AS63911 NetActuate, Inc
b.portsdns.net 2a00:11c0:3d::1
94.16.23.1		 b.portsdns.net
b.portsdns.net		 AS42354 Anexia Cloud Solutions GmbH
AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.14.90.203 — redirect.portsit.se AS1257 Tele2 SWIPnet 193.12.0.0/14 🇸🇪 Sweden Malmö

📧 MX Records#

📧
No MX records found

🔷 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#

PolicyRecord (_dmarc.optuna.dk)
p=reject v=DMARC1; p=reject; rua=mailto:5fcfadddb2cf2@dmarc.centerasecurity.com

📬 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 2026-10-08 22:31:05
www193.14.90.203 (AS1257) (address records, no CNAME)
www vs bare domainSame network
optuna.dk: 193.14.90.203 (AS1257)
www.optuna.dk: 193.14.90.203 (AS1257)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

160ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

48ms
FieldValue
Serial2025050100
Primary NS (MNAME)a.portsdns.se
Responsible (RNAME)registry@ports.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)28800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
74ms
A
54ms
MX
49ms
AAAA
50ms
TXT
197ms
CAA
50ms
HTTPS
69ms
TLSA
74ms
SOA
48ms
MTA-STS
80ms
DNSSEC
160ms
SRV
347ms
Total
646ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 20:04:05 592ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-26 21:32:31 534ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-26 11:44:59 9371ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-25 14:10:02 637ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-23 20:21:48 1015ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 19:08:12 shown 646ms 2 NS 1 A 0 MX 🔓 Insecure
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