sleepingoptimum.dk

📜 Historical scan 2026-06-26 07:54:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sleepingoptimum.dk is a .dk domain served by 3 nameservers (ns1.hostido.net.pl, ns2.hostido.net.pl, ns3.hostido.net.pl). It was registered on 8 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.110.51.208 is hosted by IQ PL Sp. z o.o. (AS47544) in Poland. Mail is handled by mail.sleepingoptimum.dk. 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#

3 records 77ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.hostido.net.pl	185.110.51.16 2a01:7400:1:1691:0:1:16:1	ns1.hostido.net.pl ns1.hostido.net.pl	AS47544 IQ PL Sp. z o.o. AS47544 IQ PL Sp. z o.o.
ns2.hostido.net.pl	46.248.165.23	ns2.hostido.net.pl	AS47544 IQ PL Sp. z o.o.
ns3.hostido.net.pl	178.162.240.114 2a00:c98:400f:109:1c00:46ff:fe00:908	ns3.hostido.net.pl ns3.hostido.net.pl	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH

🌍 A Records#

1 records 236ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.110.51.208	3600s	plutoc.hostido.net.pl	AS47544	IQ PL Sp. z o.o.	185.110.50.0/23	🇵🇱 Poland	—

📧 MX Records#

1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.sleepingoptimum.dk	185.110.51.208	plutoc.hostido.net.pl	AS47544 IQ PL Sp. z o.o.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 327ms

TXT Record
v=spf1 a mx include:spf.hostido.pl -all

✉️ SPF#

Policy	Record (sleepingoptimum.dk)
-all (hard fail)	v=spf1 a mx include:spf.hostido.pl -all

📨 DMARC#

Policy	Record (_dmarc.sleepingoptimum.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s;

📬 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 01:51:17

www	185.110.51.208 (AS47544) (address records, no CNAME)
www vs bare domain	Same network sleepingoptimum.dk: 185.110.51.208 (AS47544) www.sleepingoptimum.dk: 185.110.51.208 (AS47544)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

369ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

83ms

Field	Value
Serial	2024101401
Primary NS (MNAME)	ns1.hostido.net.pl
Responsible (RNAME)	hostmaster@sleepingoptimum.dk
Refresh	86400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 12:07:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-10-08
Expires	2027-10-07 (354d)

📋 WHOIS#

⏱️ Lookup Timing#

77ms

236ms

96ms

AAAA

113ms

TXT

327ms

CAA

182ms

HTTPS

45ms

TLSA

91ms

SOA

83ms

MTA-STS

438ms

DNSSEC

369ms

SRV

195ms

Total

1225ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 13:59:47	879ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 21:29:44	865ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-01 05:03:56	10224ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 07:54:53 shown	1225ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 20:16:01	950ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:41:56	2381ms	3 NS 1 A 1 MX	🔓 Insecure