hkbyg.dk

📜 Historical scan 2026-06-17 12:42:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hkbyg.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 10 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.205 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, has no 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#

2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.205	—	vm0999.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	—	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	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 223ms

TXT Record
v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (hkbyg.dk)
-all (hard fail)	v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 01:47:54

www	185.21.42.205 (AS48854) (address records, no CNAME)
www vs bare domain	Same network hkbyg.dk: 185.21.42.205 (AS48854) www.hkbyg.dk: 185.21.42.205 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

122ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 12:49:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-12-10
Expires	2029-12-31 (1166d)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

61ms

AAAA

60ms

TXT

223ms

CAA

59ms

HTTPS

59ms

TLSA

247ms

SOA

59ms

MTA-STS

32ms

DNSSEC

122ms

SRV

0ms

Total

727ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:11:48	791ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-28 01:54:25	649ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 02:41:16	708ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 23:43:18	1048ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 12:45:27	260ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:42:52 shown	727ms	2 NS 1 A 2 MX	🔒 Secure