tl-byg.dk

Records from scan: 2026-10-22 20:51:59 · 429ms total · last checked 2026-10-26 06:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tl-byg.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 20 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 19ms

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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.16	3600s	splash.curanet.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.16
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 108ms

TXT Record
apple-domain-verification=utCqn9Cpr0KnxTJG
v=spf1 -all

✉️ SPF#

Policy	Record (tl-byg.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tl-byg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itsit.dk

📬 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 2026-10-22 20:51:59

www	212.237.249.16 (AS48854) (address records, no CNAME)
www vs bare domain	Same network tl-byg.dk: 212.237.249.16 (AS48854) www.tl-byg.dk: 212.237.249.16 (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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2025061301
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 2026-10-26 22:28:41

Field	Value
Registrar	CURANET A/S
Registered	2024-11-20
Expires	2026-11-19 (23d)

🔗 Same registrant#

2 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
tl-vinduer.dk	CURANET A/S
tl-vinduerogdore.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

19ms

23ms

18ms

AAAA

26ms

TXT

108ms

CAA

28ms

HTTPS

17ms

TLSA

40ms

SOA

26ms

MTA-STS

36ms

DNSSEC

106ms

SRV

48ms

Total

429ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 20:51:59 shown	429ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 19:43:23	409ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-18 17:27:33	2329ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-10 04:56:45	418ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-01 14:07:05	480ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-27 06:33:48	16619ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-12 11:51:31	24444ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-20 07:01:59	4349ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-20 05:07:23	530ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 21:05:35	676ms	2 NS 1 A 0 MX	🔒 Secure