dragoergymnasterne.dk

📜 Historical scan 2026-09-19 08:01:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dragoergymnasterne.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 2 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.143 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 120ms

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 Records#

2 records 104ms

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 Records#

1 records 113ms

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 95ms

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 Records#

1 records 103ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.143,172.67.171.82 ech=AEX+DQBBFgAgACD9iIVo+4Z4BHlWYbVz8sYL/kPAwnuD2NUkbAqOnYOkVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ab52,2606:4700:3036::6815:2f8f

🔌 SRV Records#

1 records 154ms

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

📝 TXT Records#

2 records 533ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 02:29:50

www	104.21.47.143 172.67.171.82 2606:4700:3030::ac43:ab52 2606:4700:3036::6815:2f8f (AS13335) (address records, no CNAME)
www vs bare domain	Same network dragoergymnasterne.dk: 104.21.47.143 172.67.171.82 2606:4700:3030::ac43:ab52 2606:4700:3036::6815:2f8f (AS13335) www.dragoergymnasterne.dk: 104.21.47.143 172.67.171.82 2606:4700:3030::ac43:ab52 2606:4700:3036::6815:2f8f (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

2 records 514ms

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…

🔐 DNSSEC#

656ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415035305
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 06:25:23

Field	Value
Registrar	Simply.com A/S
Registered	2002-04-02
Expires	2027-06-30 (249d)

🔗 Same registrant#

1 domain

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
dragørgymnasterne.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

120ms

104ms

113ms

AAAA

95ms

TXT

533ms

CAA

120ms

HTTPS

103ms

TLSA

514ms

SOA

0ms

MTA-STS

132ms

DNSSEC

656ms

SRV

154ms

Total

1988ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 02:29:50	444ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 06:17:44	2469ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 04:15:22	543ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 08:01:19 shown	1988ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 17:31:06	2869ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 22:26:26	970ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 19:45:57	8851ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 18:45:17	793ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 07:05:26	431ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:25:20	466ms	2 NS 2 A 0 MX	🔓 Insecure