dder.dk
📜 Historical scan 2026-06-29 13:37:36  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
NameserverIP addressesPTRASN / ISP
ns3.hostworld.dk 217.160.222.205
2a02:247a:256:2c00:1::1		 ip217.160.222.205.pbiaas.com
ns3.hostworld.dk		 AS8560 IONOS SE
AS8560 IONOS SE
ns4.hostworld.dk 217.160.220.14
2a02:247a:256:2c00::1		 ip217-160-220-14.pbiaas.com
hostworld.dk		 AS8560 IONOS SE
AS8560 IONOS SE
🌍 A Records1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.160.220.14 600s ip217-160-220-14.pbiaas.com AS8560 IONOS SE 217.160.0.0/16 🇩🇪 Germany —
📧 MX Records1 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s dder.dk 217.160.220.14
2a02:247a:256:2c00::1		 ip217-160-220-14.pbiaas.com
hostworld.dk		 AS8560 IONOS SE
AS8560 IONOS SE
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover217.160.220.14
🔶 Autoconfig217.160.220.14
🔷 AAAA Records (IPv6)1 records   55ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:247a:256:2c00::1 600s hostworld.dk AS8560 IONOS SE 2a02:2478:0:0:0:0:0:0/29 🇩🇪 Germany —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   146ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   298ms
TXT Record
v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 ~all
✉️ SPF
PolicyRecord (dder.dk)
~all (soft fail) v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 ~all
📨 DMARC
PolicyRecord (_dmarc.dder.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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.dder.dk dKHvaNy8aGiOVnmrLmySeTvkWsYI-SZEjSi_c9LhID0
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA48ms
FieldValue
Serial2026060401
Primary NS (MNAME)ns3.hostworld.dk
Responsible (RNAME)service@lignum.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
58ms
MX
54ms
AAAA
55ms
TXT
298ms
CAA
80ms
HTTPS
48ms
TLSA
76ms
SOA
48ms
MTA-STS
68ms
DNSSEC
86ms
SRV
146ms
Total
726ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:23:05 1068ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-06 18:51:59 2991ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-29 13:37:36 726ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 01:15:11 2102ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 01:23:17 425ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 01:21:07 601ms 2 NS 1 A 1 MX 🔓 Insecure View
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