olzzon.dk

📜 Historical scan 2026-08-27 17:26:26 · ← 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
lindsey.ns.cloudflare.com	108.162.194.5 162.159.38.5 172.64.34.5 2606:4700:50::a29f:2605 2803:f800:50::6ca2:c205 2a06:98c1:50::ac40:2205	lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terry.ns.cloudflare.com	108.162.193.237 172.64.33.237 173.245.59.237 2606:4700:58::adf5:3bed 2803:f800:50::6ca2:c1ed 2a06:98c1:50::ac40:21ed	terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 2027ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.228	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.215	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.olzzon.dk	178.20.216.18	ispc8.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.olzzon.dk → 178.20.216.18

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:a5d7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3ae4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.228,172.67.165.215 ech=AEX+DQBBJQAgACBICK7h0rMIouc/HzScB0c6+6qlcejBgzELObuLPlL7NQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:a5d7,2606:4700:3037::6815:3ae4

📝 TXT Records#

1 records 205ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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

www	104.21.58.228 172.67.165.215 2606:4700:3036::ac43:a5d7 2606:4700:3037::6815:3ae4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network olzzon.dk: 104.21.58.228 172.67.165.215 2606:4700:3036::ac43:a5d7 2606:4700:3037::6815:3ae4 (AS13335) www.olzzon.dk: 104.21.58.228 172.67.165.215 2606:4700:3036::ac43:a5d7 2606:4700:3037::6815:3ae4 (AS13335)
Wildcard	No

🔎 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#

73ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2412591940
Primary NS (MNAME)	lindsey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 12:20:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-11-19
Expires	2026-12-31 (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#

49ms

2027ms

40ms

AAAA

43ms

TXT

205ms

CAA

45ms

HTTPS

47ms

TLSA

72ms

SOA

0ms

MTA-STS

79ms

DNSSEC

73ms

SRV

71ms

Total

2489ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	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