biotekunderviser.dk

📜 Historical scan 2026-06-16 14:40:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biotekunderviser.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 27 June 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.53 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, 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   98ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk — — —
ns2.dandomain.dk — — —

🌍 A Records#

1 records   94ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.158.53 — linux33.dandomain.dk AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —

📧 MX Records#

2 records   88ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 — mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk 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#

1 records   224ms
TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

PolicyRecord (biotekunderviser.dk)
?all (neutral) v=spf1 include:spf.dandomain.dk ?all

📨 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 2026-10-07 21:20:46
www93.191.158.53 (AS48854) (address records, no CNAME)
www vs bare domainSame network
biotekunderviser.dk: 93.191.158.53 (AS48854)
www.biotekunderviser.dk: 93.191.158.53 (AS48854)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

212ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

70ms
FieldValue
Serial2022100301
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 07:12:15
FieldValue
RegistrarDANDOMAIN A/S
Registered2018-06-27
Expires2027-06-30 (253d)

🔗 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
98ms
A
94ms
MX
88ms
AAAA
78ms
TXT
224ms
CAA
105ms
HTTPS
95ms
TLSA
254ms
SOA
70ms
MTA-STS
92ms
DNSSEC
212ms
SRV
0ms
Total
868ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-08-26 10:05:42 474ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-24 20:32:12 486ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-20 04:00:24 1891ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 14:47:15 454ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 14:40:27 412ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-16 14:40:02 shown 868ms 2 NS 1 A 2 MX 🔒 Secure
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