acosys.dk

📜 Historical scan 2026-06-16 12:44:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acosys.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.134.97 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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#

4 records   64ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —

🌍 A Records#

1 records   70ms

📧 MX Records#

5 records   64ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   221ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (acosys.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.acosys.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; rua=mailto:re+d60ee0qlikd@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-12 19:03:47
www89.150.134.97 (AS203953) (address records, no CNAME)
www vs bare domainSame network
acosys.dk: 89.150.134.97 (AS203953)
www.acosys.dk: 89.150.134.97 (AS203953)
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

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

158ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

69ms
FieldValue
Serial2025021101
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
70ms
MX
64ms
AAAA
72ms
TXT
221ms
CAA
57ms
HTTPS
60ms
TLSA
72ms
SOA
69ms
MTA-STS
92ms
DNSSEC
158ms
SRV
0ms
Total
883ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 19:03:47 597ms 4 NS 1 A 5 MX 🔒 Secure
2026-10-01 09:20:07 1690ms 4 NS 1 A 5 MX 🔒 Secure
2026-09-30 09:13:57 460ms 4 NS 1 A 5 MX 🔒 Secure
2026-07-02 00:10:21 825ms 4 NS 1 A 5 MX 🔒 Secure
2026-06-16 12:44:44 shown 883ms 4 NS 1 A 5 MX 🔒 Secure
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