opti-free.dk

📜 Historical scan 2026-09-30 17:41:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opti-free.dk is a .dk domain served by 4 nameservers (ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. 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#

4 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
ha1.markmonitor.zone	192.174.68.5 2001:67c:1bc::5	ha1.markmonitor.zone ha1.markmonitor.zone	AS1921 ipcom GmbH AS1921 ipcom GmbH
ha2.markmonitor.zone	162.219.54.170 2620:10a:80eb::6b	ha2.markmonitor.zone ha2.markmonitor.zone	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ha3.markmonitor.zone	176.97.158.5 2001:67c:10b8::5	ha3.markmonitor.zone ha3.markmonitor.zone	AS207021 ipcom GmbH AS1921 ipcom GmbH
ha4.markmonitor.zone	162.219.55.170 2620:10a:80ec::6b	ha4.markmonitor.zone ha4.markmonitor.zone	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 254ms

TXT Record
MS=ms28558947
MS=ms95626363
v=spf1 -all

✉️ SPF#

Policy	Record (opti-free.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.opti-free.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:f762a5e1e929449@rep.dmarcanalyzer.com; ruf=mailto:f762a5e1e929449@for.dmarcanalyzer.com; 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 2026-10-09 20:22:37

www	Exists, no address
www vs bare domain	Neither resolves opti-free.dk: no address www.opti-free.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

62ms

Field	Value
Serial	2024082004
Primary NS (MNAME)	ha1.markmonitor.zone
Responsible (RNAME)	hostmaster@markmonitor.com
Refresh	3600s
Retry	600s
Expire	604800s
Minimum (neg-cache TTL)	172800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

59ms

54ms

53ms

AAAA

68ms

TXT

254ms

CAA

45ms

HTTPS

60ms

TLSA

51ms

SOA

62ms

MTA-STS

68ms

DNSSEC

68ms

SRV

84ms

Total

599ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 19:30:19	2540ms	4 NS 0 A 1 MX	🔓 Insecure
2026-09-30 17:41:18 shown	599ms	4 NS 0 A 1 MX	🔓 Insecure
2026-09-29 16:09:20	634ms	4 NS 0 A 1 MX	🔓 Insecure
2026-09-27 00:30:51	653ms	4 NS 0 A 1 MX	🔓 Insecure
2026-09-15 23:49:44	9370ms	4 NS 0 A 1 MX	🔓 Insecure
2026-06-27 06:32:14	833ms	4 NS 0 A 1 MX	🔓 Insecure
2026-06-20 13:05:00	2382ms	4 NS 0 A 1 MX	🔓 Insecure
2026-06-18 06:50:40	3179ms	4 NS 0 A 0 MX	🔓 Insecure