quatro.dk
Last scanned: 2026-08-27 20:43:51  ·  1295ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
🌍 A Records2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.61.81 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.207.104 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   38ms
🔷 AAAA Records (IPv6)2 records   31ms
🔐 HTTPS Records1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.81,172.67.207.104 ech=AEX+DQBBfwAgACA47+Qu+1wObnqFo6Z96p4veA7nvt21jpauabCzfKdMLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cf68,2606:4700:3037::6815:3d51
📝 TXT Records1 records   142ms
TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all
✉️ SPF
PolicyRecord (quatro.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   55ms
Service / OwnerTypeCert association
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.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
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.route2.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
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…
🔐 DNSSEC97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413253792
Primary NS (MNAME)cory.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-08-22 08:20:21
FieldValue
RegistrarDynadot LLC
Registered2026-08-04
Expires2027-08-03 (334d)
📋 WHOIS
⏱️ Lookup Timing
NS
27ms
A
27ms
MX
38ms
AAAA
31ms
TXT
142ms
CAA
24ms
HTTPS
29ms
TLSA
55ms
SOA
0ms
MTA-STS
42ms
DNSSEC
97ms
SRV
47ms
Total
1295ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:43:51 1295ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-22 08:20:09 17834ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-06 10:42:32 1893ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-05 08:40:50 3348ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone