a-chain.dk

Records from scan: 2026-08-28 00:17:16  ·  762ms total  ·  last checked 2026-10-17 00:58 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-chain.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 4 March 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   44ms
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   112ms
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 2026-10-09 01:03:20
www212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
a-chain.dk: 212.237.249.17 (AS48854)
www.a-chain.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#

224ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2021030402
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-11 00:40:23
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-03-04
Expires2027-03-31 (165d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
112ms
MX
87ms
AAAA
121ms
TXT
249ms
CAA
111ms
HTTPS
92ms
TLSA
104ms
SOA
0ms
MTA-STS
150ms
DNSSEC
224ms
SRV
141ms
Total
762ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-08-28 00:17:16 shown 762ms 2 NS 1 A 0 MX 🔒 Secure
2026-08-26 15:28:59 470ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-24 02:20:59 843ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-23 08:25:58 1161ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 13:15:20 533ms 2 NS 1 A 0 MX 🔒 Secure
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