addcheck.dk

📜 Historical scan 2026-06-22 09:50:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

addcheck.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 17 January 2025 (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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   41ms
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   42ms
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#

latest probe, not this scan · checked 2026-10-08 12:54:11
www212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
addcheck.dk: 212.237.249.17 (AS48854)
www.addcheck.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#

140ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

41ms
FieldValue
Serial2025011704
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-15 17:42:35
FieldValue
RegistrarDANDOMAIN A/S
Registered2025-01-17
Expires2027-01-16 (91d)

🔗 Same registrant#

2 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
add-tjek.dkDANDOMAIN A/S
adht-tjek.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
42ms
MX
122ms
AAAA
42ms
TXT
212ms
CAA
81ms
HTTPS
123ms
TLSA
35ms
SOA
41ms
MTA-STS
83ms
DNSSEC
140ms
SRV
150ms
Total
541ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-08-27 02:44:14 579ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-29 12:44:15 459ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-26 13:39:59 531ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-26 07:18:12 4923ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-23 17:21:13 1176ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 09:50:05 shown 541ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-19 05:42:57 533ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-16 12:48:22 614ms 2 NS 1 A 0 MX 🔒 Secure
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