arendtgroup.dk

Records from scan: 2026-09-30 14:19:11  ·  510ms total  ·  last checked 2026-10-18 03:05 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arendtgroup.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 10 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   24ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.17 3600s splash.dandomain.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover212.237.249.17
🔶 Autoconfig212.237.249.17

🔷 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 2026-10-08 17:04:57
www212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
arendtgroup.dk: 212.237.249.17 (AS48854)
www.arendtgroup.dk: 212.237.249.17 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

41ms
FieldValue
Serial2021051002
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-12 16:13:44
FieldValue
RegistrarDANDOMAIN A/S
Registered2021-05-10
Expires2027-05-31 (224d)

🔗 Same registrant#

1 domain

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
arendtbolig.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
24ms
MX
30ms
AAAA
26ms
TXT
156ms
CAA
43ms
HTTPS
49ms
TLSA
32ms
SOA
41ms
MTA-STS
64ms
DNSSEC
87ms
SRV
64ms
Total
510ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 14:19:11 shown 510ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-29 23:28:53 389ms 2 NS 1 A 0 MX 🔒 Secure
2026-08-26 23:44:35 447ms 2 NS 1 A 0 MX 🔒 Secure
2026-07-01 23:26:53 591ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-16 12:53:10 944ms 2 NS 1 A 0 MX 🔒 Secure
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