sfems.dk
Last scanned: 2026-08-26 05:56:34  ·  816ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com 172.64.52.210
2606:4700:52::ac40:34d2		 ns1.digitalocean.com
ns1.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns2.digitalocean.com 172.64.53.21
2606:4700:5a::ac40:3515		 ns2.digitalocean.com
ns2.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns3.digitalocean.com 172.64.49.209
2606:4700:52::ac40:31d1		 ns3.digitalocean.com
ns3.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records1 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
164.92.238.212 3600s srv.sfires.dk AS14061 DigitalOcean, LLC 164.92.128.0/17 🇩🇪 Germany Frankfurt am Main
📧 MX Records3 records   87ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 14400s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 14400s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   346ms
TXT Record
v=spf1 mx include:spf.gigahost.dk -all
✉️ SPF
PolicyRecord (sfems.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC153ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@sfems.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
71ms
MX
87ms
AAAA
61ms
TXT
346ms
CAA
67ms
HTTPS
54ms
TLSA
86ms
SOA
0ms
MTA-STS
119ms
DNSSEC
153ms
SRV
251ms
Total
816ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:56:34 816ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-07-02 14:47:05 2810ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-23 13:09:23 844ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 05:42:28 972ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-18 04:55:51 654ms 3 NS 1 A 3 MX 🔓 Insecure View
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