opticos.dk

📜 Historical scan 2026-09-02 23:49:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opticos.dk is a .dk domain served by 3 nameservers (dns1.oderland.com, dns2.oderland.com, dns3.oderland.com). It was registered on 4 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.201.60.46 is hosted by ODERLAND Webbhotell AB (AS44136) in Sweden. Mail is handled by mx1.oderland.com, mx2.oderland.com and 2 more. The zone is DNSSEC-signed and validates, 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#

3 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.oderland.com	2a02:28f0::41 91.201.61.4	dns1.oderland.com dns1.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB
dns2.oderland.com	2a02:28f0::46:1 46.16.239.247	dns2.oderland.com dns2.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB
dns3.oderland.com	2a00:1a28:1108:b::4:1 46.246.43.220	dns3.oderland.com dns3.oderland.com	AS42708 Glesys AB AS42708 Glesys AB

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.201.60.46	7200s	dosojin.oderland.com	AS44136	ODERLAND Webbhotell AB	91.201.60.0/22	🇸🇪 Sweden	—

📧 MX Records#

4 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	7200s	mx1.oderland.com	2a02:28f0::8:1 91.201.60.244	mx1.oderland.com mx1.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB
1	7200s	mx2.oderland.com	2a02:28f0::9:1 91.201.61.244	mx2.oderland.com mx2.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB
1	7200s	mx3.oderland.com	2a02:28f0::16:1 91.201.62.34	mx3.oderland.com mx3.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB
1	7200s	mx4.oderland.com	2a02:28f0::17:1 91.201.63.5	mx4.oderland.com mx4.oderland.com	AS44136 ODERLAND Webbhotell AB AS44136 ODERLAND Webbhotell AB

🔷 AAAA Records (IPv6)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:28f0:3037:47::	7200s	dosojin.oderland.com	AS44136	ODERLAND Webbhotell AB	2a02:28f0:0:0:0:0:0:0/29	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 257ms

TXT Record
v=spf1 ip4:91.201.60.46 +a +mx +include:_vsp.oderland.com ~all

✉️ SPF#

Policy	Record (opticos.dk)
~all (soft fail)	v=spf1 ip4:91.201.60.46 +a +mx +include:_vsp.oderland.com ~all

📨 DMARC#

Policy	Record (_dmarc.opticos.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 2026-10-10 07:24:49

www CNAME	opticos.dk (all on opticos.dk) → 91.201.60.46 2a02:28f0:3037:47:: (AS44136)
www vs bare domain	Same network opticos.dk: 91.201.60.46 2a02:28f0:3037:47:: (AS44136) www.opticos.dk: 91.201.60.46 2a02:28f0:3037:47:: (AS44136)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.opticos.dk	sf_6NOE5oATwsp72nwJG-8y44KoaEJEYnczf1tO56wM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026083101
Primary NS (MNAME)	dns1.oderland.com
Responsible (RNAME)	registry@oderland.se
Refresh	3600s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 11:50:27

Field	Value
Registrar	ODERLAND Webbhotell AB
Registered	2018-07-04
Expires	2027-07-31 (287d)

🔗 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#

44ms

52ms

37ms

AAAA

46ms

TXT

257ms

CAA

60ms

HTTPS

61ms

TLSA

146ms

SOA

0ms

MTA-STS

66ms

DNSSEC

100ms

SRV

79ms

Total

1286ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 18:33:44	760ms	3 NS 1 A 4 MX	🔒 Secure
2026-09-09 11:39:15	835ms	3 NS 1 A 4 MX	🔒 Secure
2026-09-02 23:49:14 shown	1286ms	3 NS 1 A 4 MX	🔒 Secure
2026-08-31 21:35:34	701ms	3 NS 1 A 4 MX	🔒 Secure
2026-07-03 12:44:34	7270ms	3 NS 1 A 4 MX	🔒 Secure
2026-06-21 12:00:34	1111ms	3 NS 1 A 4 MX	🔒 Secure
2026-06-21 07:09:02	929ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:06:31	6742ms	3 NS 1 A 4 MX	🔒 Secure