businessinstitute-mbauddannelse.dk

Records from scan: 2026-09-26 02:46:08  ·  907ms total  ·  last checked 2026-10-26 08:32 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

businessinstitute-mbauddannelse.dk is a .dk domain served by 2 nameservers (igor.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 30 June 2026 (WHOIS) and first appeared in the .dk zone on 1 July 2026. Its website address 104.21.18.101 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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
igor.ns.cloudflare.com 108.162.193.119
172.64.33.119
173.245.59.119
2606:4700:58::adf5:3b77
2803:f800:50::6ca2:c177
2a06:98c1:50::ac40:2177		 igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com
igor.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com 108.162.192.145
172.64.32.145
173.245.58.145
2606:4700:50::adf5:3a91
2803:f800:50::6ca2:c091
2a06:98c1:50::ac40:2091		 sue.ns.cloudflare.com
sue.ns.cloudflare.com
sue.ns.cloudflare.com
sue.ns.cloudflare.com
sue.ns.cloudflare.com
sue.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.18.101 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.181.146 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   55ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:b592 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:1265 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   49ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.18.101,172.67.181.146 ech=AEX+DQBBKwAgACC/jGx8cCRqH5/VMLB4Nf50R0T28xtqI4gHbwbqruc0ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b592,2606:4700:3033::6815:1265

📝 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 2026-10-09 06:11:53
www104.21.18.101 172.67.181.146 2606:4700:3030::ac43:b592 2606:4700:3033::6815:1265 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415728806
Primary NS (MNAME)igor.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:51:47
FieldValue
RegistrarCURANET A/S
Registered2026-06-30
Expires2027-06-29 (245d)

🔗 Same registrant#

24 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
businessinstitute-uddannelse.dkCURANET A/S
businessinstitute-uddannelser.dkCURANET A/S
ceresbyentappehaller.dkCURANET A/S
event-venue.dkCURANET A/S
f5-danmark.dkCURANET A/S
f5-dev.dkCURANET A/S
f5-nordic.dkCURANET A/S
f5danmark.dkCURANET A/S
f5erhvervsnetvaerk.dkCURANET A/S
f5inspiration.dkCURANET A/S
f5kontakt.dkCURANET A/S
f5ledelse.dkCURANET A/S
f5leder.dkCURANET A/S
f5lederforum.dkCURANET A/S
f5ledernetvaerk.dkCURANET A/S
f5ledernetvaerket.dkCURANET A/S
f5lederskab.dkCURANET A/S
f5netvaerket.dkCURANET A/S
f5network.dkCURANET A/S
f5nordic.dkCURANET A/S
f5strategi.dkCURANET A/S
f5udvikling.dkCURANET A/S
santarosa.dkCURANET A/S
tuborgtappehaller.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
38ms
MX
50ms
AAAA
55ms
TXT
182ms
CAA
34ms
HTTPS
49ms
TLSA
43ms
SOA
0ms
MTA-STS
66ms
DNSSEC
77ms
SRV
548ms
Total
907ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-26 02:46:08 shown 907ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 21:24:04 1276ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-04 01:13:33 1041ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-01 00:56:35 360ms 2 NS 0 A 0 MX 🔓 Insecure
2026-08-29 05:38:22 769ms 2 NS 0 A 0 MX 🔓 Insecure
2026-08-27 20:39:12 845ms 2 NS 0 A 0 MX 🔓 Insecure
2026-07-01 08:36:42 748ms 2 NS 0 A 0 MX 🔓 Insecure
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