ack.dk
📜 Historical scan 2026-06-16 12:37:27  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
NameserverIP addressesPTRASN / ISP
duke.ns.cloudflare.com — — —
kiki.ns.cloudflare.com — — —
🌍 A Records2 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.114.96.1 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —
188.114.97.1 — — AS13335 Cloudflare, Inc. 188.114.96.0/22 — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3120::1 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120::/46 — —
2a06:98c1:3121::1 — — AS13335 Cloudflare, Inc. 2a06:98c1:3120::/46 — —
🔐 HTTPS Records1 records   56ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.30.245,172.67.174.54 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:1ef5,2606:4700:3037::ac43:ae36
📝 TXT Records1 records   137ms
TXT Record
v=spf1 mx a ip4:84.19.174.8 ~all
✉️ SPF
PolicyRecord (ack.dk)
~all (soft fail) v=spf1 mx a ip4:84.19.174.8 ~all
📨 DMARC
PolicyRecord (_dmarc.ack.dk)
p=reject v=DMARC1; p=reject; rua=mailto:martin@zakobo.dk; ruf=mailto:martin@zakobo.dk; fo=0:1:d:s; adkim=s; aspf=s
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC146ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA40ms
FieldValue
Serial2402947878
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
38ms
A
38ms
MX
52ms
AAAA
34ms
TXT
137ms
CAA
38ms
HTTPS
56ms
TLSA
49ms
SOA
40ms
MTA-STS
44ms
DNSSEC
146ms
SRV
0ms
Total
488ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:41:21 913ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-28 09:41:11 3651ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-21 12:55:55 3527ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-25 04:49:49 720ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-24 18:40:46 849ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-22 01:05:01 498ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 12:37:27 488ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone