deadmansswitch.dk
📜 Historical scan 2026-06-17 01:21:04  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   63ms
NameserverIP addressesPTRASN / ISP
duke.ns.cloudflare.com — — —
jule.ns.cloudflare.com — — —
🌍 A Records1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
109.199.107.183 — mail.prg.dk AS51167 Contabo GmbH 109.199.96.0/19 🇫🇷 France Lauterbourg
📧 MX Records1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.prg.dk 109.199.107.183 mail.prg.dk AS51167 Contabo GmbH
🔷 AAAA Records (IPv6)1 records   69ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:c207:2323:626::1 — — AS51167 Contabo GmbH 2a02:c204::/30 🇫🇷 France Lauterbourg
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   156ms
TXT Record
v=spf1 ip4:109.199.107.183 ip6:2a02:c207:2323:626::1 include:deadmansswitch.dk -all
✉️ SPF
PolicyRecord (deadmansswitch.dk)
-all (hard fail) v=spf1 ip4:109.199.107.183 ip6:2a02:c207:2323:626::1 include:deadmansswitch.dk -all
📨 DMARC
PolicyRecord (_dmarc.deadmansswitch.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC145ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA67ms
FieldValue
Serial2403983528
Primary NS (MNAME)duke.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
63ms
A
63ms
MX
69ms
AAAA
69ms
TXT
156ms
CAA
66ms
HTTPS
68ms
TLSA
55ms
SOA
67ms
MTA-STS
67ms
DNSSEC
145ms
SRV
0ms
Total
496ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 14:11:35 1395ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 08:04:34 2868ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 20:43:42 2410ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 01:48:40 3031ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 01:25:33 389ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 01:21:04 496ms 2 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone