olzzon.dk

📜 Historical scan 2026-08-20 06:34:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

olzzon.dk is a .dk domain served by 2 nameservers (lindsey.ns.cloudflare.com, terry.ns.cloudflare.com). It was registered on 19 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.228 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.olzzon.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   55ms

🌍 A Records#

2 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.58.228 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.165.215 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.olzzon.dk 178.20.216.18 ispc8.dotserv.com AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.olzzon.dk → 178.20.216.18

🔷 AAAA Records (IPv6)#

2 records   63ms

🔐 HTTPS Records#

1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.58.228,172.67.165.215 ech=AEX+DQBBTAAgACAU3wrYGONsh0C4RLi8Rz5BaRo1wErHW5C4qQFrE+C3AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:a5d7,2606:4700:3037::6815:3ae4

📝 TXT Records#

1 records   225ms
TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

PolicyRecord (olzzon.dk)
-all (hard fail) v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

PolicyRecord (_dmarc.olzzon.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#

latest probe, not this scan · checked 2026-10-17 11:42:11

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

200ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412591940
Primary NS (MNAME)lindsey.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 12:20:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-11-19
Expires2026-12-31 (73d)

🔗 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
55ms
A
68ms
MX
73ms
AAAA
63ms
TXT
225ms
CAA
54ms
HTTPS
54ms
TLSA
196ms
SOA
0ms
MTA-STS
87ms
DNSSEC
200ms
SRV
107ms
Total
1466ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 11:42:11 457ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 12:04:26 439ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 01:50:18 589ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 01:50:48 647ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 17:26:26 2489ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 06:09:35 888ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 06:34:04 shown 1466ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-22 22:31:45 9794ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-21 20:25:06 9869ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 19:30:38 1070ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 13:14:54 3112ms 2 NS 2 A 1 MX 🔓 Insecure
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