seriousbusiness.dk

Records from scan: 2026-10-07 21:32:27  ·  317ms total  ·  last checked 2026-10-16 10:55 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seriousbusiness.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 31 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records   22ms
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#

🌍
No A records found

📧 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#

checked 2026-10-07 21:32:27
wwwNXDOMAIN
www vs bare domainNeither resolves
seriousbusiness.dk: no address
www.seriousbusiness.dk: no address
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#

60ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

23ms
FieldValue
Serial2026093000
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-11 20:38:02
FieldValue
RegistrarSimply.com A/S
Registered2016-08-31
Expires2027-08-31 (318d)

🔗 Same registrant#

9 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
ahkurser.dkPunktum dk A/S (direct)
epx-business.dkSimply.com A/S
epxonline.dkSimply.com A/S
eudbusiness.dkPunktum dk A/S (direct)
euxaalborg.dkPunktum dk A/S (direct)
handelsgymnasietaalborg.dkPunktum dk A/S (direct)
hfaalborg.dkPunktum dk A/S (direct)
unigym.dkPunktum dk A/S (direct)
universitetsgymnasiet.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
22ms
A
36ms
MX
32ms
AAAA
25ms
TXT
108ms
CAA
31ms
HTTPS
32ms
TLSA
21ms
SOA
23ms
MTA-STS
40ms
DNSSEC
60ms
SRV
51ms
Total
317ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 21:32:27 shown 317ms 4 NS 0 A 0 MX 🔒 Secure
2026-10-01 17:36:50 436ms 4 NS 0 A 0 MX 🔒 Secure
2026-09-30 17:32:30 296ms 4 NS 0 A 0 MX 🔒 Secure
2026-09-30 02:53:47 293ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-27 12:30:50 444ms 4 NS 0 A 0 MX 🔒 Secure
2026-08-24 20:07:23 375ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-26 17:29:23 492ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-26 09:12:55 2474ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-23 06:22:22 912ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 02:39:51 330ms 4 NS 0 A 0 MX 🔒 Secure
2026-06-18 03:32:26 462ms 4 NS 0 A 0 MX 🔒 Secure
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