opticaal.dk

📜 Historical scan 2026-09-06 15:30:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opticaal.dk is a .dk domain served by 2 nameservers (austin.ns.cloudflare.com, laura.ns.cloudflare.com). It was registered on 18 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.168 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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 148ms

Nameserver	IP addresses	PTR	ASN / ISP
austin.ns.cloudflare.com	108.162.193.70 172.64.33.70 173.245.59.70 2606:4700:58::adf5:3b46 2803:f800:50::6ca2:c146 2a06:98c1:50::ac40:2146	austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.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 125ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.168	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.192	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c01::1b	rc-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.mail.eu-west-1.awsapps.com → 52.19.108.47

🔷 AAAA Records (IPv6)#

2 records 110ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:18a8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:dbc0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 98ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.168,172.67.219.192 ech=AEX+DQBBkgAgACBgTrfUJ96qGkq+l7EvLXbUdThSpStb5dghXaVHn60tNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:18a8,2606:4700:3031::ac43:dbc0

📝 TXT Records#

3 records 286ms

TXT Record
google-site-verification=kpztCqBTVq3VPIwyjy8dwn6UbN8tB125LFj71iOhVqE
google-site-verification=Zzx9E0fEhmhOGgaF8OyvdhMcNEa5ivYElaPR5_6HIM8
v=spf1 include:amazonses.com include:_spf.google.com ~all

✉️ SPF#

Policy	Record (opticaal.dk)
~all (soft fail)	v=spf1 include:amazonses.com include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.opticaal.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=100;fo=1

📬 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 2026-10-07 14:54:48

www	104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network opticaal.dk: 104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335) www.opticaal.dk: 104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

196ms

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	2413847033
Primary NS (MNAME)	austin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 13:56:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-10-18
Expires	2026-10-31 (7d)

🔗 Same registrant#

3 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).

Domain	Registrar
journalfor.dk	Punktum dk A/S (direct)
journalfør.dk	Punktum dk A/S (direct)
polytope.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

148ms

125ms

86ms

AAAA

110ms

TXT

286ms

CAA

95ms

HTTPS

98ms

TLSA

207ms

SOA

0ms

MTA-STS

142ms

DNSSEC

196ms

SRV

262ms

Total

1394ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:54:48	488ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 15:55:21	1269ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 06:40:01	737ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 05:41:52	878ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 05:31:03	1528ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-06 15:30:43 shown	1394ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 18:45:03	1571ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-29 05:07:15	1849ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-06 21:09:17	10449ms	2 NS 2 A 5 MX	❓ Unknown
2026-06-26 00:16:26	1008ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 11:41:52	1588ms	2 NS 2 A 5 MX	🔓 Insecure