forest-study.dk
📜 Historical scan 2026-08-25 05:09:19  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   87ms
🌍 A Records2 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   98ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover188.114.97.3
🔶 Autoconfig172.67.153.148
🔷 AAAA Records (IPv6)2 records   119ms
🔐 HTTPS Records1 records   97ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.176,172.67.153.148 ech=AEX+DQBBawAgACBBwLQ2IQI5kxHqyXMxsjjWJa66o5bp5FysbYIpucVDBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3b0,2606:4700:3033::ac43:9994
📝 TXT Records1 records   448ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.forest-study.dk 6iJoTz8PYwhOhSIrUZQbQNh55Yt0TNqXOizw-8dh9Aw
TXT _acme-challenge.forest-study.dk EUkPsPOKZsg6bXU9hLMFI1UCjN1eRw_MghECZ-z2M9c
🔗 TLSA / DANE2 records   227ms
Service / OwnerTypeCert 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…
🔐 DNSSEC328ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413039374
Primary NS (MNAME)garrett.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
87ms
A
64ms
MX
98ms
AAAA
119ms
TXT
448ms
CAA
120ms
HTTPS
97ms
TLSA
227ms
SOA
0ms
MTA-STS
160ms
DNSSEC
328ms
SRV
238ms
Total
1979ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone