bluecyb.dk

📜 Historical scan 2026-07-08 18:59:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluecyb.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 26 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.164.183 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by bluecyb-dk.mail.protection.outlook.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#

3 records 93ms

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 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.164.183	3600s	server7183.serverpark.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bluecyb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::1 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.3 52.101.73.11 52.101.73.24	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 8056ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 326ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bluecyb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.bluecyb.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@bluecyb.dk; ruf=mailto:dmarc@bluecyb.dk; 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 2026-10-12 21:31:16

www	5.186.164.183 (AS44869) (address records, no CNAME)
www vs bare domain	Same network bluecyb.dk: 5.186.164.183 (AS44869) www.bluecyb.dk: 5.186.164.183 (AS44869)
Wildcard	No
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-bluecyb-dk._domainkey.zolutionzaps.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-bluecyb-dk._domainkey.zolutionzaps.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070700
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 08:55:42

Field	Value
Registrar	Simply.com A/S
Registered	2014-08-26
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

93ms

83ms

93ms

AAAA

89ms

TXT

326ms

CAA

88ms

HTTPS

98ms

TLSA

169ms

SOA

0ms

MTA-STS

107ms

DNSSEC

207ms

SRV

8056ms

Total

8982ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:31:16	1034ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 08:19:56	940ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:16:10	1135ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 02:47:43	851ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:29:52	847ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-20 09:15:44	17662ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-08 18:59:39 shown	8982ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 11:27:34	850ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:02:17	824ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:15:03	1839ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:14:29	3618ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:06:50	685ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:01:07	1633ms	3 NS 1 A 1 MX	🔒 Secure