sirius-cool.dk

Records from scan: 2026-10-13 04:01:47 · 388ms total · last checked 2026-10-18 13:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sirius-cool.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 29 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.175 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.175	3600s	vm1484.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
10	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	185.21.40.175

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 117ms

TXT Record
v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

✉️ SPF#

Policy	Record (sirius-cool.dk)
-all (hard fail)	v=spf1 a include:spf.curanet.dk include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.sirius-cool.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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#

checked 2026-10-13 04:01:47

www	185.21.40.175 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sirius-cool.dk: 185.21.40.175 (AS48854) www.sirius-cool.dk: 185.21.40.175 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

64ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 19:45:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-01-29
Expires	2030-01-31 (1200d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

30ms

35ms

AAAA

24ms

TXT

117ms

CAA

41ms

HTTPS

40ms

TLSA

52ms

SOA

40ms

MTA-STS

40ms

DNSSEC

64ms

SRV

55ms

Total

388ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:01:47 shown	388ms	3 NS 1 A 2 MX	🔒 Secure
2026-10-02 19:14:11	488ms	3 NS 1 A 2 MX	🔒 Secure
2026-09-04 02:34:57	440ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-17 12:10:10	832ms	3 NS 1 A 2 MX	🔒 Secure