holmstadgroup.dk
Last scanned: 2026-08-31 19:00:33  ·  1518ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.49.98 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.161.155 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   36ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.49.98
🔶 Autoconfig172.67.161.155
🔷 AAAA Records (IPv6)2 records   35ms
🔐 HTTPS Records1 records   30ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.98,172.67.161.155 ech=AEX+DQBB/gAgACAEG/7Brqe/fvQzazr919c4T8/5fb5mXjy6SOggZUQaaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3162,2606:4700:3035::ac43:a19b
📝 TXT Records1 records   160ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (holmstadgroup.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~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 / DANE9 records   80ms
Service / OwnerTypeCert association
SMTP _25._tcp.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
🔐 DNSSEC99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413585491
Primary NS (MNAME)roxy.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
32ms
A
29ms
MX
36ms
AAAA
35ms
TXT
160ms
CAA
34ms
HTTPS
30ms
TLSA
80ms
SOA
0ms
MTA-STS
59ms
DNSSEC
99ms
SRV
56ms
Total
1518ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 19:00:33 1518ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-25 05:54:51 8803ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-18 18:30:02 2843ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-17 13:29:33 5572ms 2 NS 2 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone