appacademy.dk

📜 Historical scan 2026-06-18 09:31:51  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

appacademy.dk is a .dk domain served by 2 nameservers (jack.ns.cloudflare.com, rosa.ns.cloudflare.com). It was registered on 6 June 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.204 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   24ms
NameserverIP addressesPTRASN / ISP
jack.ns.cloudflare.com 108.162.193.121
172.64.33.121
173.245.59.121
2606:4700:58::adf5:3b79
2803:f800:50::6ca2:c179
2a06:98c1:50::ac40:2179		 jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
rosa.ns.cloudflare.com 108.162.192.228
172.64.32.228
173.245.58.228
2606:4700:50::adf5:3ae4
2803:f800:50::6ca2:c0e4
2a06:98c1:50::ac40:20e4		 rosa.ns.cloudflare.com
rosa.ns.cloudflare.com
rosa.ns.cloudflare.com
rosa.ns.cloudflare.com
rosa.ns.cloudflare.com
rosa.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   24ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.13.204 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.133.23 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverappacademy.dk → 94.231.103.141
🔶 Autoconfig104.21.13.204

🔷 AAAA Records (IPv6)#

2 records   24ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:8517 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:dcc 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   23ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.13.204,172.67.133.23 ech=AEX+DQBBbgAgACAF+ScJsoMqNu3Oyfi2Xd0bvzJEGI01iW6VzCfSjaLZZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8517,2606:4700:3035::6815:dcc

📝 TXT Records#

2 records   119ms
TXT Record
MS=ms33925018
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.simply.com include:spf.unoeuro.com include:mxsspf.sendpulse.com -all

✉️ SPF#

PolicyRecord (appacademy.dk)
-all (hard fail) v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.simply.com include:spf.unoeuro.com include:mxsspf.sendpulse.com -all

📨 DMARC#

PolicyRecord (_dmarc.appacademy.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:klh@appacademy.dk; ruf=mailto:klh@appacademy.dk; fo=1

📬 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#

latest probe, not this scan · checked 2026-10-15 10:22:38
www104.21.13.204 172.67.133.23 2606:4700:3034::6815:dcc 2606:4700:3037::ac43:8517 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   105ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

111ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2407103939
Primary NS (MNAME)jack.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 10:41:48
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-06-06
Expires2027-06-30 (256d)

🔗 Same registrant#

6 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
codeweek.dkSimply.com A/S
feud.dkPunktum dk A/S (direct)
franskforum.dkSimply.com A/S
hejedison.dkSimply.com A/S
php-online.dkSimply.com A/S
wpsandkassen.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
24ms
A
24ms
MX
24ms
AAAA
24ms
TXT
119ms
CAA
23ms
HTTPS
23ms
TLSA
105ms
SOA
0ms
MTA-STS
37ms
DNSSEC
111ms
SRV
174ms
Total
920ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 10:22:38 443ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 13:56:00 526ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 15:57:40 575ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 05:15:56 681ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 06:10:00 789ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 03:53:16 864ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 22:05:31 9919ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 00:10:49 650ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-03 23:37:08 1066ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-01 13:32:07 1951ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-18 13:33:54 866ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-14 11:13:29 8921ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 07:14:14 1527ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 12:04:02 1170ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 09:31:51 shown 920ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 12:50:43 1416ms 2 NS 2 A 1 MX 🔓 Insecure
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