byg-dag.dk

📜 Historical scan 2026-06-24 23:32:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg-dag.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 13 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.177 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bygdag-dk0i.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#

2 records 28ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.177	900s	linux217.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bygdag-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 2a01:111:f403:ca09::7 52.101.68.8 52.101.73.1 52.101.73.153 52.101.73.16	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40
🔶 Autoconfig	94.231.106.177

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 101ms

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

✉️ SPF#

Policy	Record (byg-dag.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

📨 DMARC#

Policy	Record (_dmarc.byg-dag.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 12:19:22

www	94.231.106.177 (AS48854) (address records, no CNAME)
www vs bare domain	Same network byg-dag.dk: 94.231.106.177 (AS48854) www.byg-dag.dk: 94.231.106.177 (AS48854)
Wildcard	Yes: any name under the zone resolves
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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026031201
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 2026-10-20 18:44:29

Field	Value
Registrar	CURANET A/S
Registered	2020-08-13
Expires	2027-08-31 (312d)

🔗 Same registrant#

27 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
affaldssortering.dk	CURANET A/S
byggeriets-dag.dk	CURANET A/S
byggeriets-diversitetsdag.dk	CURANET A/S
clean-n-care.dk	CURANET A/S
csnt.dk	Punktum dk A/S (direct)
directmail.dk	CURANET A/S
directmails.dk	CURANET A/S
hellclausen.dk	CURANET A/S
hsklinik.dk	CURANET A/S
ingenrotter.dk	CURANET A/S
jj-holding.dk	CURANET A/S
kastibak.dk	CURANET A/S
lege-riget.dk	Punktum dk A/S (direct)
legeriet.dk	Punktum dk A/S (direct)
legeriget.dk	Punktum dk A/S (direct)
lejeriet.dk	Punktum dk A/S (direct)
niklasvj.dk	Punktum dk A/S (direct)
reklamehus.dk	CURANET A/S
reklamehuset.dk	CURANET A/S
rhs-smtp.dk	CURANET A/S
rhs01.dk	CURANET A/S
rt49.dk	CURANET A/S
signandbrand.dk	CURANET A/S
thingvad-auto.dk	CURANET A/S
tonfor-sortering.dk	CURANET A/S
vizuel.dk	CURANET A/S
wildlove.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

27ms

42ms

AAAA

39ms

TXT

101ms

CAA

27ms

HTTPS

44ms

TLSA

285ms

SOA

41ms

MTA-STS

37ms

DNSSEC

108ms

SRV

57ms

Total

716ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 08:28:58	984ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:32:21 shown	716ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 04:00:11	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:10:58	819ms	2 NS 1 A 1 MX	🔒 Secure