byg-mesteren.dk

Records from scan: 2026-10-12 09:09:35 · 2407ms total · last checked 2026-10-20 00:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg-mesteren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 April 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.218 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ms1.kikkenborg.it, ms2.kikkenborg.it and 1 more. 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 43ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.218	43200s	vm1488.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

3 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	ms1.kikkenborg.it	91.235.100.11	ms1.kikkenborg.it	AS198473 KIKKENBORG FIBER & IT ApS
10	43200s	ms2.kikkenborg.it	91.235.100.12	ms2.kikkenborg.it	AS198473 KIKKENBORG FIBER & IT ApS
10	43200s	ms3.kikkenborg.it	91.235.100.13	ms3.kikkenborg.it	AS198473 KIKKENBORG FIBER & IT ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 138ms

TXT Record
v=spf1 include:spf.kikkenborg.it include:spf.curanet.dk

✉️ SPF#

Policy	Record (byg-mesteren.dk)
no all — incomplete SPF	v=spf1 include:spf.kikkenborg.it include:spf.curanet.dk

📨 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 2026-10-12 09:09:35

www	185.21.40.218 (AS48854) (address records, no CNAME)
www vs bare domain	Same network byg-mesteren.dk: 185.21.40.218 (AS48854) www.byg-mesteren.dk: 185.21.40.218 (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: 7/10 · policy: none

warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026101101
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 13:22:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-04-01
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

27ms

45ms

AAAA

33ms

TXT

138ms

CAA

49ms

HTTPS

33ms

TLSA

94ms

SOA

40ms

MTA-STS

49ms

DNSSEC

55ms

SRV

51ms

Total

2407ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 09:09:35 shown	2407ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-06 12:57:01	496ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-06 15:51:11	1646ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-27 13:29:44	723ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-30 03:05:30	605ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-24 10:34:43	1725ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 03:43:23	1156ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:10:22	2592ms	2 NS 1 A 3 MX	🔒 Secure