critical.dk
Last scanned: 2026-08-28 01:06:26  ·  9611ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   71ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.227.38.65 3600s myshopify.com AS13335 Cloudflare, Inc. 23.227.38.0/23 🇨🇦 Canada Ottawa
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)1 records   64ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2620:127:f00f:5:: 3600s — AS13335 Cloudflare, Inc. 2620:127:f00c:0:0:0:0:0/46 🇨🇦 Canada —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   78ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records3 records   186ms
TXT Record
google-site-verification=KEjMCZTnVp36kg17JF3cRPFDcvIZFuFU1QzARQ4qsvA
klaviyo-site-verification=QY6Lpb
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (critical.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.critical.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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   100ms
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…
🔐 DNSSEC9112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025010600
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
71ms
A
38ms
MX
55ms
AAAA
64ms
TXT
186ms
CAA
47ms
HTTPS
57ms
TLSA
100ms
SOA
0ms
MTA-STS
77ms
DNSSEC
9112ms
SRV
78ms
Total
9611ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:06:26 9611ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-01 00:51:49 594ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-24 03:10:28 687ms 3 NS 1 A 1 MX ⚠️ Bogus View
2026-06-23 15:04:10 657ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 22:55:05 566ms 3 NS 1 A 1 MX 🔒 Secure View
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