a0.dk

📜 Historical scan 2026-06-19 22:32:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a0.dk is a .dk domain served by 2 nameservers (ns.andersenit.dk, ns1.andersenit.dk). It was registered on 20 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.238.253.113 is hosted by RockyNordic ApS (AS198614) in Denmark. Mail is handled by rocky6mps.rockynordic.com. The zone is not DNSSEC-signed, 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   38ms
NameserverIP addressesPTRASN / ISP
ns.andersenit.dk 185.200.74.101 ns.andersenit.dk AS198614 RockyNordic ApS
ns1.andersenit.dk 87.238.248.10 ns1.andersenit.dk AS198614 RockyNordic ApS

🌍 A Records#

1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.238.253.113 600s rocky8wps.rockynordic.com AS198614 RockyNordic ApS 87.238.252.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s rocky6mps.rockynordic.com 87.238.253.110 rocky6mps.rockynordic.com AS198614 RockyNordic ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   175ms
TXT Record
v=spf1 include:spf-a.rockynordic.com -all

✉️ SPF#

PolicyRecord (a0.dk)
-all (hard fail) v=spf1 include:spf-a.rockynordic.com -all

📨 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 10:58:15
www87.238.253.113 (AS198614) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

40ms
FieldValue
Serial2024091801
Primary NS (MNAME)ns.andersenit.dk
Responsible (RNAME)hostmaster@andersenit.dk
Refresh86400s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-16 04:41:23
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-12-20
Expires2026-12-31 (75d)

🔗 Same registrant#

7 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
ait.dkPunktum dk A/S (direct)
andersenit.dkPunktum dk A/S (direct)
awk.dkPunktum dk A/S (direct)
domainteam.dkPunktum dk A/S (direct)
idomain.dkPunktum dk A/S (direct)
php7.dkPunktum dk A/S (direct)
tikweb.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
53ms
MX
35ms
AAAA
49ms
TXT
175ms
CAA
77ms
HTTPS
37ms
TLSA
50ms
SOA
40ms
MTA-STS
39ms
DNSSEC
72ms
SRV
142ms
Total
413ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-03 05:07:16 636ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-30 08:10:49 539ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-19 22:32:13 shown 413ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 12:47:09 713ms 2 NS 1 A 1 MX 🔓 Insecure
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