ekspertiundervisning.dk

Records from scan: 2026-10-09 10:25:37  ·  394ms total  ·  last checked 2026-10-17 19:46 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ekspertiundervisning.dk is a .dk domain served by 2 nameservers (alec.ns.cloudflare.com, romina.ns.cloudflare.com). It first appeared in the .dk zone on 15 September 2026. Its website address 104.21.16.231 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   44ms
NameserverIP addressesPTRASN / ISP
alec.ns.cloudflare.com 108.162.193.59
172.64.33.59
173.245.59.59
2606:4700:58::adf5:3b3b
2803:f800:50::6ca2:c13b
2a06:98c1:50::ac40:213b		 alec.ns.cloudflare.com
alec.ns.cloudflare.com
alec.ns.cloudflare.com
alec.ns.cloudflare.com
alec.ns.cloudflare.com
alec.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
romina.ns.cloudflare.com 108.162.194.159
162.159.38.159
172.64.34.159
2606:4700:50::a29f:269f
2803:f800:50::6ca2:c29f
2a06:98c1:50::ac40:229f		 romina.ns.cloudflare.com
romina.ns.cloudflare.com
romina.ns.cloudflare.com
romina.ns.cloudflare.com
romina.ns.cloudflare.com
romina.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
104.21.16.231 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.216.209 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:d8d1 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::6815:10e7 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.16.231,172.67.216.209 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d8d1,2606:4700:3033::6815:10e7

📝 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 10:25:37
www104.21.16.231 172.67.216.209 2606:4700:3031::ac43:d8d1 2606:4700:3033::6815:10e7 (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#

69ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

39ms
FieldValue
Serial2416412301
Primary NS (MNAME)alec.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
38ms
MX
43ms
AAAA
37ms
TXT
181ms
CAA
29ms
HTTPS
46ms
TLSA
47ms
SOA
39ms
MTA-STS
66ms
DNSSEC
69ms
SRV
72ms
Total
394ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 10:25:37 shown 394ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-02 16:06:33 493ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-29 15:46:22 1116ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 17:58:19 591ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-19 09:02:26 2669ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-15 11:13:00 1164ms 2 NS 0 A 0 MX 🔓 Insecure
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