cortix.dk
Last scanned: 2026-06-20 11:05:51  ·  2388ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   72ms
NameserverIP addressesPTRASN / ISP
dns1.p01.nsone.net 198.51.44.1
2620:4d:4000:6259:7:1:0:1		 dns1.p01.nsone.net
dns1.p01.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns2.p01.nsone.net 198.51.45.1
2a00:edc0:6259:7:1::2		 dns2.p01.nsone.net
dns2.p01.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns3.p01.nsone.net 198.51.44.65
2620:4d:4000:6259:7:1:0:3		 dns3.p01.nsone.net
dns3.p01.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns4.p01.nsone.net 198.51.45.65
2a00:edc0:6259:7:1::4		 dns4.p01.nsone.net
dns4.p01.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
🌍 A Records2 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.157.26.135 600s ec2-35-157-26-135.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 35.156.0.0/14 🇩🇪 Germany Frankfurt am Main
63.176.8.218 600s ec2-63-176-8-218.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 63.176.0.0/12 🇩🇪 Germany Frankfurt am Main
📧 MX Records2 records   105ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
20 3600s mx.backup.simply.com — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   455ms
TXT Record
google-site-verification=eBYaNeJP5mfEH2mVV2uLvKB4_uWJ4caSI7sZHFF5dC8
v=spf1 include:amazonses.com ~all
✉️ SPF
PolicyRecord (cortix.dk)
~all (soft fail) v=spf1 include:amazonses.com ~all
📨 DMARC
PolicyRecord (_dmarc.cortix.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:kontakt@cortix.dk
📬 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   107ms
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…
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA89ms
FieldValue
Serial1773495714
Primary NS (MNAME)dns1.p01.nsone.net
Responsible (RNAME)domains+netlify@netlify.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
72ms
A
47ms
MX
105ms
AAAA
67ms
TXT
455ms
CAA
2026ms
HTTPS
68ms
TLSA
107ms
SOA
89ms
MTA-STS
117ms
DNSSEC
109ms
SRV
481ms
Total
2388ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-20 11:05:51 2388ms 4 NS 2 A 2 MX 🔓 Insecure View
2026-06-16 22:55:25 2036ms 4 NS 2 A 2 MX 🔓 Insecure View
2026-06-16 22:30:24 662ms 4 NS 2 A 2 MX 🔓 Insecure View
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