hd-byg.dk

📜 Historical scan 2026-06-24 20:43:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hd-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 March 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.39 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hdbyg-dk0e.mail.protection.outlook.com. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.39	600s	linux83.wannafind.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	hdbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.16 52.101.73.12 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 152ms

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

✉️ SPF#

Policy	Record (hd-byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-12 09:26:15

www CNAME	hd-byg.dk (all on hd-byg.dk) → 185.21.40.39 (AS48854)
www vs bare domain	Same network hd-byg.dk: 185.21.40.39 (AS48854) www.hd-byg.dk: 185.21.40.39 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

88ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026032402
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 03:23:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-03-18
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

38ms

AAAA

68ms

TXT

152ms

CAA

112ms

HTTPS

52ms

TLSA

146ms

SOA

33ms

MTA-STS

37ms

DNSSEC

88ms

SRV

131ms

Total

676ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:46:11	743ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 21:10:17	1010ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 20:43:43 shown	676ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:06:26	727ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:06:08	1153ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:58:25	1164ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:55:15	1329ms	2 NS 1 A 1 MX	🔒 Secure