appacademy.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / 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 Records2 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	appacademy.dk → 94.231.103.141
🔶 Autoconfig	172.67.133.23

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:dcc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8517	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.204,172.67.133.23 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:dcc,2606:4700:3037::ac43:8517

📝 TXT Records2 records 203ms

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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.appacademy.dk	appacademy.dk

🔗 TLSA / DANE2 records 199ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC9134ms

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

🏷️ SOA0ms

Field	Value
Serial	2413324747
Primary NS (MNAME)	jack.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

60ms

MX

35ms

AAAA

50ms

TXT

203ms

CAA

46ms

HTTPS

42ms

TLSA

199ms

SOA

0ms

MTA-STS

84ms

DNSSEC

9134ms

SRV

105ms

Total

9919ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:05:31	9919ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 00:10:49	650ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-03 23:37:08	1066ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-01 13:32:07	1951ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-18 13:33:54	866ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 11:13:29	8921ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 07:14:14	1527ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 12:04:02	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 09:31:51	920ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:50:43	1416ms	2 NS 2 A 1 MX	🔓 Insecure	View