extraoptical.dk

📜 Historical scan 2026-09-30 09:08:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

extraoptical.dk is a .dk domain served by 2 nameservers (ethan.ns.cloudflare.com, vivienne.ns.cloudflare.com). It was registered on 24 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 148.251.21.108 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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 has no IPv6 address. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ethan.ns.cloudflare.com	108.162.195.232 162.159.44.232 172.64.35.232 2606:4700:58::a29f:2ce8 2803:f800:50::6ca2:c3e8 2a06:98c1:50::ac40:23e8	ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com ethan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vivienne.ns.cloudflare.com	108.162.194.50 162.159.38.50 172.64.34.50 2606:4700:50::a29f:2632 2803:f800:50::6ca2:c232 2a06:98c1:50::ac40:2232	vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
148.251.21.108	60s	extraoptical.no	AS24940	Hetzner Online GmbH	148.251.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

5 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	900s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 64.233.162.26	lu-in-f26.1e100.net lu-in-x1a.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	900s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	900s	alt2.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	900s	alt3.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
10	900s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	148.251.21.108
🔶 Autoconfig	148.251.21.108

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 197ms

TXT Record
google-site-verification=I48kq_obhOcn0rqs0KDoFdYVX8KpjrKsMt3XfV6fBj4
google-site-verification=t9xTq93SWiN7agxnNMJr7RWhXQnCVjkEInvJ9CRQjuA
v=spf1 a mx include:_spf.elasticemail.com include:mail.zendesk.com ~all

✉️ SPF#

Policy	Record (extraoptical.dk)
~all (soft fail)	v=spf1 a mx include:_spf.elasticemail.com include:mail.zendesk.com ~all

📨 DMARC#

Policy	Record (_dmarc.extraoptical.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@extraoptical.com

📬 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 2026-10-09 16:10:03

www	104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 2606:4700:20::681a:3d2 2606:4700:20::ac43:4904 (AS13335) (address records, no CNAME)
www vs bare domain	Same network extraoptical.dk: 104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 (AS13335) www.extraoptical.dk: 104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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	2415686146
Primary NS (MNAME)	ethan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 12:43:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-02-24
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

34ms

38ms

AAAA

55ms

TXT

197ms

CAA

63ms

HTTPS

44ms

TLSA

131ms

SOA

0ms

MTA-STS

51ms

DNSSEC

62ms

SRV

72ms

Total

704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 16:10:02	869ms	2 NS 3 A 5 MX	🔓 Insecure
2026-10-08 13:32:42	1372ms	2 NS 3 A 5 MX	🔓 Insecure
2026-09-30 09:08:32 shown	704ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 10:20:55	9595ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 01:57:12	777ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-22 10:06:55	1857ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-28 06:28:45	9834ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-26 17:14:39	981ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-06 20:40:17	1895ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-25 08:06:23	2068ms	2 NS 1 A 5 MX	❓ Unknown
2026-06-27 00:36:29	1265ms	6 NS 1 A 5 MX	🔓 Insecure
2026-06-26 23:35:36	3134ms	6 NS 1 A 5 MX	🔓 Insecure
2026-06-25 23:39:19	1137ms	6 NS 1 A 5 MX	🔓 Insecure
2026-06-17 09:10:08	1502ms	6 NS 1 A 5 MX	🔓 Insecure