btnf.dk
Last scanned: 2026-08-27 15:22:19  ·  2674ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   75ms
NameserverIP addressesPTRASN / ISP
ns.kleinweb.dk 195.43.138.53 ns.kleinweb.dk AS59979 Klein-Data
ns2.kleinweb.dk 195.43.138.16 ns2.kleinweb.dk AS59979 Klein-Data
ns3.kleinweb.dk 116.203.28.124
2a01:4f8:c2c:225d::53		 static.124.28.203.116.clients.your-server.de
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.kleinweb.dk 178.62.51.240
2a03:b0c0:1:d0::39:9001		 ns4.kleinweb.dk
ns4.kleinweb.dk		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.100 120s vm1176.enterprisecloud.nu AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records1 records   74ms
PriorityTTLMail ServerIP addressesPTRASN
10 120s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   278ms
TXT Record
v=spf1 include:spf.simply.com include:spf.curanet.dk -all
✉️ SPF
PolicyRecord (btnf.dk)
-all (hard fail) v=spf1 include:spf.simply.com include:spf.curanet.dk -all
📨 DMARC
PolicyRecord (_dmarc.btnf.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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   59ms
Service / OwnerTypeCert 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…
🔐 DNSSEC2086ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025080505
Primary NS (MNAME)ns.kleinweb.dk
Responsible (RNAME)hostmaster@kleinweb.dk
Refresh7200s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
62ms
MX
74ms
AAAA
47ms
TXT
278ms
CAA
73ms
HTTPS
60ms
TLSA
59ms
SOA
0ms
MTA-STS
94ms
DNSSEC
2086ms
SRV
95ms
Total
2674ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:22:19 2674ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 10:32:30 587ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 07:04:57 927ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 00:30:14 569ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 17:37:55 1566ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 17:30:59 3765ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 17:30:50 480ms 4 NS 1 A 1 MX 🔓 Insecure View
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