s-k-o.dk

Records from scan: 2026-10-24 22:49:05  ·  2496ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s-k-o.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 9 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.215 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   125ms

🌍 A Records#

2 records   134ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.10.215 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.164.138 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   95ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.one.com → 195.47.247.129
🔶 Autoconfig172.67.164.138

🔷 AAAA Records (IPv6)#

2 records   117ms

🔐 HTTPS Records#

1 records   101ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.10.215,172.67.164.138 ech=AEX+DQBBEwAgACAi1BfU95CqJqaYuXVivSklyqvn+xmXLReskOzJXvFPbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a48a,2606:4700:3037::6815:ad7

📝 TXT Records#

1 records   257ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (s-k-o.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.s-k-o.dk)
p=none (monitor only) v=DMARC1; p=none

📬 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 2026-10-24 22:49:05

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   826ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 2CDDC5D748A3C02AC19FF7BC33AA01A5…

🔐 DNSSEC#

191ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

17ms
FieldValue
Serial2418097600
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-24 23:11:55
FieldValue
RegistrarONE.COM A/S
Registered2005-09-09
Expires2027-09-30 (339d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
125ms
A
134ms
MX
95ms
AAAA
117ms
TXT
257ms
CAA
113ms
HTTPS
101ms
TLSA
826ms
SOA
17ms
MTA-STS
106ms
DNSSEC
191ms
SRV
155ms
Total
2496ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 22:49:05 shown 2496ms 2 NS 2 A 4 MX 🔓 Insecure
2026-10-08 10:57:28 918ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-26 11:46:12 1494ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-24 18:42:13 1039ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-23 18:02:22 3671ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-07 17:54:48 3197ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-26 20:59:28 930ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-23 04:19:18 1063ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-23 01:57:28 2783ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-22 15:45:19 1164ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 06:42:47 1086ms 2 NS 2 A 4 MX 🔓 Insecure
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