collo.dk
📜 Historical scan 2026-06-16 21:45:52  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
NameserverIP addressesPTRASN / ISP
ian.ns.cloudflare.com — — —
tessa.ns.cloudflare.com — — —
🌍 A Records2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.33.162 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.164.198 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:21a2 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3036::ac43:a4c6 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.33.162,172.67.164.198 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:21a2,2606:4700:3036::ac43:a4c6
📝 TXT Records1 records   109ms
TXT Record
google-site-verification=Bf6wq0t5-10-rz41FNTfF3f39jfBtrR3s0pLYko6Hpg
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.collo.dk)
p=none (monitor only) v=DMARC1; p=none; pct=100; rua=mailto:dmarcreports@lovable.dev
📬 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 / DANE2 records   82ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC127ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA34ms
FieldValue
Serial2406726796
Primary NS (MNAME)ian.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
36ms
A
35ms
MX
35ms
AAAA
35ms
TXT
109ms
CAA
34ms
HTTPS
50ms
TLSA
82ms
SOA
34ms
MTA-STS
42ms
DNSSEC
127ms
SRV
0ms
Total
544ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 20:36:03 9734ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-27 11:06:34 1027ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-10 04:21:14 1108ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-02 09:16:37 1590ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-02 01:29:18 1470ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 21:45:52 544ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone