cstudio.dk
📜 Historical scan 2026-06-16 23:06:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   55ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
🌍 A Records1 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.227.38.65 — myshopify.com AS13335 Cloudflare, Inc. 23.227.38.0/23 🇨🇦 Canada Ottawa
📧 MX Records1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)1 records   67ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2620:127:f00f:5:: — — AS13335 Cloudflare, Inc. 2620:127:f00c::/46 🇨🇦 Canada —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   126ms
TXT Record
canva-domain-verify=860833ed-b01b-4876-b92b-0cdfe8297488
v=spf1 include:shops.shopify.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (cstudio.dk)
-all (hard fail) v=spf1 include:shops.shopify.com include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.cstudio.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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   39ms
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…
🔐 DNSSEC158ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA51ms
FieldValue
Serial2026051802
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
55ms
MX
67ms
AAAA
67ms
TXT
126ms
CAA
69ms
HTTPS
52ms
TLSA
39ms
SOA
51ms
MTA-STS
53ms
DNSSEC
158ms
SRV
0ms
Total
454ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:13:20 625ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-02 20:10:54 630ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-31 15:45:13 842ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-28 13:01:32 693ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-23 11:14:16 8703ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-20 14:33:28 696ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-03 13:55:24 1022ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 10:45:46 993ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:06:31 454ms 3 NS 1 A 1 MX 🔒 Secure View
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