forest-study.dk DNS records

🖥️ Nameservers2 records 236ms

Nameserver	IP addresses	PTR	ASN / ISP
garrett.ns.cloudflare.com	108.162.195.195 162.159.44.195 172.64.35.195 2606:4700:58::a29f:2cc3 2803:f800:50::6ca2:c3c3 2a06:98c1:50::ac40:23c3	garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vivienne.ns.cloudflare.com	108.162.194.50 162.159.38.50 172.64.34.50 2606:4700:50::a29f:2632 2803:f800:50::6ca2:c232 2a06:98c1:50::ac40:2232	vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 282ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.176	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.148	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 289ms

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	172.67.153.148
🔶 Autoconfig	172.67.153.148

🔷 AAAA Records (IPv6)2 records 290ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3b0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9994	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 296ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.176,172.67.153.148 ech=AEX+DQBBrgAgACBlcYwFMFnRlIY2SWqfE0UPjtipWZe+5IrLScFuly4kNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3b0,2606:4700:3033::ac43:9994

📝 TXT Records1 records 761ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (forest-study.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 311ms

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…

🔐 DNSSEC477ms

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

🏷️ SOA277ms

Field	Value
Serial	2406836677
Primary NS (MNAME)	garrett.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

236ms

A

282ms

MX

289ms

AAAA

290ms

TXT

761ms

CAA

407ms

HTTPS

296ms

TLSA

311ms

SOA

277ms

MTA-STS

348ms

DNSSEC

477ms

SRV

428ms

Total

2785ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:55:41	804ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 05:09:19	1979ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 02:08:35	12107ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 05:07:05	1872ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 00:51:15	951ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-25 03:53:14	2785ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 02:21:56	6438ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 08:36:11	912ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:49:52	593ms	2 NS 2 A 1 MX	🔓 Insecure	View