byggerietsuddannelser.dk

Records from scan: 2026-10-13 05:41:45  ·  527ms total  ·  last checked 2026-10-17 10:02 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byggerietsuddannelser.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. 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   28ms
NameserverIP addressesPTRASN / 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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 MX Records#

1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 05:41:45
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
byggerietsuddannelser.dk: 195.47.247.18 (AS51468)
www.byggerietsuddannelser.dk: 195.47.247.18 (AS51468)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

39ms
FieldValue
Serial2026101307
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-13 06:01:54
FieldValue
RegistrarONE.COM A/S
Registered2002-12-16
Expires2026-12-31 (74d)

🔗 Same registrant#

11 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).

DomainRegistrar
bam-bus.dkINTERNET 123 ApS
blivanlaegsstruktoer.dkPunktum dk A/S (direct)
blivbrolaegger.dkONE.COM A/S
blivtekniskisolatør.dkONE.COM A/S
bygud.dkONE.COM A/S
laerlingehjælpen.dkONE.COM A/S
laerlingelinjen.dkONE.COM A/S
lærlingehjaelpen.dkONE.COM A/S
nedriver.dkONE.COM A/S
småkurser.dkONE.COM A/S
stilladsmontoer.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
39ms
MX
29ms
AAAA
43ms
TXT
159ms
CAA
37ms
HTTPS
43ms
TLSA
34ms
SOA
39ms
MTA-STS
48ms
DNSSEC
115ms
SRV
48ms
Total
527ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 05:41:45 shown 527ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 12:22:39 365ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-29 20:32:37 787ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-01 08:29:16 2542ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 01:49:53 2198ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 23:28:55 780ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 11:01:23 626ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 18:15:39 625ms 2 NS 1 A 4 MX 🔒 Secure
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