appacademy.dk

📜 Historical scan 2026-06-16 12:50:43 · ← 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 67ms

Nameserver	IP addresses	PTR	ASN / ISP
jack.ns.cloudflare.com	—	—	—
rosa.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.204	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.23	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8517	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:dcc	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 100ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.204,172.67.133.23 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8517,2606:4700:3035::6815:dcc

📝 TXT Records#

2 records 178ms

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#

Policy	Record (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#

Policy	Record (_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

www	104.21.13.204 172.67.133.23 2606:4700:3034::6815:dcc 2606:4700:3037::ac43:8517 (AS13335) (address records, no CNAME)
www vs bare domain	Same network appacademy.dk: 104.21.13.204 172.67.133.23 2606:4700:3034::6815:dcc 2606:4700:3037::ac43:8517 (AS13335) www.appacademy.dk: 104.21.13.204 172.67.133.23 2606:4700:3034::6815:dcc 2606:4700:3037::ac43:8517 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete 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 191ms

Service / Owner	Type	Cert 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#

171ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

97ms

Field	Value
Serial	2405784672
Primary NS (MNAME)	jack.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 10:41:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-06-06
Expires	2027-06-30 (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).

Domain	Registrar
codeweek.dk	Simply.com A/S
feud.dk	Punktum dk A/S (direct)
franskforum.dk	Simply.com A/S
hejedison.dk	Simply.com A/S
php-online.dk	Simply.com A/S
wpsandkassen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

67ms

85ms

78ms

AAAA

46ms

TXT

178ms

CAA

127ms

HTTPS

100ms

TLSA

191ms

SOA

97ms

MTA-STS

117ms

DNSSEC

171ms

SRV

0ms

Total

1416ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	920ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 12:50:43 shown	1416ms	2 NS 2 A 1 MX	🔓 Insecure