dragoergymnasterne.dk DNS records

🖥️ Nameservers2 records 226ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 237ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.47.143	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.82	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 231ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)2 records 230ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ab52	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:2f8f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 251ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.143,172.67.171.82 ech=AEX+DQBBqAAgACD6Xb3Mu/IlRjTGmxfGhqrtPavmV+zrQmIJsMECv4uEagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ab52,2606:4700:3036::6815:2f8f

🔌 SRV Records1 records 287ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records2 records 493ms

TXT Record
v=spf1 include:spf.simply.com -all
v=spf1 mx a ip4:84.19.174.8 -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (dragoergymnasterne.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all
-all (hard fail)	v=spf1 mx a ip4:84.19.174.8 -all

📨 DMARC

Policy	Record (_dmarc.dragoergymnasterne.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🔗 TLSA / DANE2 records 288ms

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…

🔐 DNSSEC368ms

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

🏷️ SOA0ms

Field	Value
Serial	2411775829
Primary NS (MNAME)	duke.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

226ms

A

237ms

MX

231ms

AAAA

230ms

TXT

493ms

CAA

233ms

HTTPS

251ms

TLSA

288ms

SOA

0ms

MTA-STS

292ms

DNSSEC

368ms

SRV

287ms

Total

2869ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 17:31:06	2869ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 22:26:26	970ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 19:45:57	8851ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 18:45:17	793ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 07:05:26	431ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 04:25:20	466ms	2 NS 2 A 0 MX	🔓 Insecure	View