hkbyg.dk

Records from scan: 2026-09-29 15:11:48 · 791ms total · last checked 2026-10-16 08:46 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.205	3600s	vm0999.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	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	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 156ms

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#

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#

102ms

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

🏷️ SOA#

0ms

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 (1171d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

52ms

AAAA

38ms

TXT

156ms

CAA

74ms

HTTPS

49ms

TLSA

81ms

SOA

0ms

MTA-STS

69ms

DNSSEC

102ms

SRV

88ms

Total

791ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:11:48 shown	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	727ms	2 NS 1 A 2 MX	🔒 Secure