b-klasse.dk

📜 Historical scan 2026-10-02 08:46:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b-klasse.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.6.138 is hosted by FIBIA P/S (AS44869) in Denmark. 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#

4 records   52ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.104.6.138 600s 87.104.6.138.static.fibianet.dk AS44869 FIBIA P/S 87.104.0.0/18 🇩🇰 Denmark Sorø

📧 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#

✗ 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 2026-10-09 11:25:49
wwwNXDOMAIN
www vs bare domainwww does not resolve
b-klasse.dk: 87.104.6.138 (AS44869)
www.b-klasse.dk: no address
(all like this)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

44ms
FieldValue
Serial2026100200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-14 03:31:44
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-01-09
Expires2030-01-31 (1202d)

🔗 Same registrant#

3 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).

DomainRegistrar
c-klasse.dkPunktum dk A/S (direct)
simpleidea.dkPunktum dk A/S (direct)
zxspectrum.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
52ms
A
35ms
MX
41ms
AAAA
51ms
TXT
108ms
CAA
37ms
HTTPS
31ms
TLSA
410ms
SOA
44ms
MTA-STS
69ms
DNSSEC
124ms
SRV
55ms
Total
1030ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 11:25:49 305ms 4 NS 1 A 0 MX 🔒 Secure
2026-10-03 21:13:54 358ms 4 NS 1 A 0 MX 🔒 Secure
2026-10-02 08:46:39 shown 1030ms 4 NS 1 A 0 MX 🔒 Secure
2026-10-01 08:43:27 419ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-23 18:43:11 398ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-07 02:46:15 507ms 4 NS 1 A 0 MX 🔒 Secure
2026-07-02 00:22:40 572ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-16 13:57:30 444ms 4 NS 1 A 0 MX 🔒 Secure
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