bluecyb.dk

📜 Historical scan 2026-07-20 09:15:44 · ← 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 75ms

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 64ms

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 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	1461s	bluecyb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.3 52.101.68.39 52.101.73.153 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.98.16.35

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 142ms

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

📝 TXT Records#

1 records 294ms

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#

162ms

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

🏷️ SOA#

66ms

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#

75ms

64ms

66ms

AAAA

71ms

TXT

294ms

CAA

73ms

HTTPS

64ms

TLSA

527ms

SOA

66ms

MTA-STS

60ms

DNSSEC

162ms

SRV

142ms

Total

17662ms

🕐 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 shown	17662ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-08 18:59:39	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