optimized.dk

📜 Historical scan 2026-09-08 16:12:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimized.dk is a .dk domain served by 2 nameservers (destiny.ns.cloudflare.com, jason.ns.cloudflare.com). It was registered on 14 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.122 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com, aspmx.l.google.com and 4 more. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
destiny.ns.cloudflare.com	108.162.194.76 162.159.38.76 172.64.34.76 2606:4700:50::a29f:264c 2803:f800:50::6ca2:c24c 2a06:98c1:50::ac40:224c	destiny.ns.cloudflare.com destiny.ns.cloudflare.com destiny.ns.cloudflare.com destiny.ns.cloudflare.com destiny.ns.cloudflare.com destiny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jason.ns.cloudflare.com	108.162.193.179 172.64.33.179 173.245.59.179 2606:4700:58::adf5:3bb3 2803:f800:50::6ca2:c1b3 2a06:98c1:50::ac40:21b3	jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.122	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.190.94	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

6 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
2	300s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c03::1a	rc-in-f27.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:be5e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:397a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.122,172.67.190.94 ech=AEX+DQBBTAAgACBeFowSbEyWCJQIR4MJVRcpOwhWBHWOzF67AxnGd2XQGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:be5e,2606:4700:3035::6815:397a

📝 TXT Records#

1 records 181ms

TXT Record
google-site-verification=NfBqhws0VkJGCX19Q9e-GSiBUaceXmyFp1dmXpGpqV4

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.optimized.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 2026-10-08 20:00:48

www	104.21.57.122 172.67.190.94 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network optimized.dk: 104.21.57.122 172.67.190.94 2606:4700:3033::ac43:be5e 2606:4700:3035::6815:397a (AS13335) www.optimized.dk: 104.21.57.122 172.67.190.94 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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	2413703849
Primary NS (MNAME)	destiny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 20:05:21

Field	Value
Registrar	DANDOMAIN A/S
Registered	2016-12-14
Expires	2026-12-31 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

32ms

49ms

AAAA

40ms

TXT

181ms

CAA

58ms

HTTPS

46ms

TLSA

148ms

SOA

0ms

MTA-STS

56ms

DNSSEC

76ms

SRV

69ms

Total

1474ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 20:00:48	3853ms	2 NS 2 A 6 MX	🔓 Insecure
2026-09-27 10:46:07	3360ms	2 NS 2 A 6 MX	🔓 Insecure
2026-09-08 16:12:53 shown	1474ms	2 NS 2 A 6 MX	🔓 Insecure
2026-08-30 20:02:17	2471ms	2 NS 2 A 6 MX	🔓 Insecure
2026-08-10 14:06:25	7172ms	2 NS 2 A 6 MX	🔓 Insecure
2026-07-22 05:14:20	2537ms	2 NS 2 A 6 MX	🔓 Insecure
2026-06-22 10:48:42	12517ms	2 NS 2 A 6 MX	🔓 Insecure
2026-06-21 23:45:08	975ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 22:44:16	1702ms	2 NS 2 A 6 MX	🔓 Insecure
2026-06-17 23:19:20	1315ms	2 NS 2 A 6 MX	🔓 Insecure