seoday.dk
Last scanned: 2026-08-26 18:54:07  ·  769ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
🌍 A Records2 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.79 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.135.226 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.67.135.226
🔶 Autoconfig104.21.7.79
🔷 AAAA Records (IPv6)2 records   43ms
🔐 HTTPS Records1 records   59ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.79,172.67.135.226 ech=AEX+DQBBKgAgACAvQqH0GYmbu3KvoVqKt+Ei4tgB0R7OrKySEEIuEA2POgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:87e2,2606:4700:3036::6815:74f
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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 / DANE2 records   95ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC118ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411507216
Primary NS (MNAME)burt.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
48ms
A
47ms
MX
58ms
AAAA
43ms
TXT
236ms
CAA
56ms
HTTPS
59ms
TLSA
95ms
SOA
0ms
MTA-STS
85ms
DNSSEC
118ms
SRV
96ms
Total
769ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 18:54:07 769ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-08 05:08:36 1558ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-12 00:53:46 909ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-24 01:46:00 834ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 03:41:41 670ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-18 08:27:31 2940ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone