bluecircle.dk

📜 Historical scan 2026-06-16 15:00:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluecircle.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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 286ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 139ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.207	—	nt47.unoeuro.com	AS48854	—	—	—	—

📧 MX Records#

1 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 511ms

TXT Record
v=spf1 include:spf.simply.com ~all

✉️ SPF#

Policy	Record (bluecircle.dk)
~all (soft fail)	v=spf1 include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.bluecircle.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-11 10:27:53

www	93.191.156.207 (AS48854) (address records, no CNAME)
www vs bare domain	Same network bluecircle.dk: 93.191.156.207 (AS48854) www.bluecircle.dk: 93.191.156.207 (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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 116ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

345ms

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

🏷️ SOA#

175ms

Field	Value
Serial	2025042300
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 2026-10-07 16:08:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-05-06
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

286ms

139ms

174ms

AAAA

195ms

TXT

511ms

CAA

148ms

HTTPS

220ms

TLSA

116ms

SOA

175ms

MTA-STS

248ms

DNSSEC

345ms

SRV

0ms

Total

1688ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 02:25:19	385ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 23:15:43	743ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-25 09:47:46	575ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:29:34	547ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:16:07	2987ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:04:22	387ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:26	622ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:03 shown	1688ms	4 NS 1 A 1 MX	🔒 Secure