jmoptik.dk

📜 Historical scan 2026-06-18 08:08:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jmoptik.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 25 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.15 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jmoptik-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.15	—	vm1292.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	jmoptik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.21 52.101.68.25 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.24
🔶 Autoconfig	185.21.40.15

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 266ms

TXT Record
v=spf1 include:spf.curanet.dk mx a ptr ip4:213.173.246.75 a:post@admind.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (jmoptik.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk mx a ptr ip4:213.173.246.75 a:post@admind.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-14 19:09:23

www	185.21.40.15 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jmoptik.dk: 185.21.40.15 (AS48854) www.jmoptik.dk: 185.21.40.15 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 12/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
error 12 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2025031301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-21 14:15:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-02-25
Expires	2027-02-28 (129d)

🔗 Same registrant#

1 domain

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
brillemultileje.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

AAAA

32ms

TXT

266ms

CAA

31ms

HTTPS

30ms

TLSA

157ms

SOA

29ms

MTA-STS

2069ms

DNSSEC

115ms

SRV

166ms

Total

2734ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 00:42:18	759ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 20:05:31	768ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 22:14:43	1049ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:08:24 shown	2734ms	2 NS 1 A 1 MX	🔒 Secure