cortrium.dk
📜 Historical scan 2026-06-16 22:52:45  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   354ms
NameserverIP addressesPTRASN / ISP
edna.ns.cloudflare.com — — —
kyree.ns.cloudflare.com — — —
🌍 A Records2 records   277ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.56.39 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.176.173 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   199ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:b0ad — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3037::6815:3827 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   356ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.56.39,172.67.176.173 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b0ad,2606:4700:3037::6815:3827
📝 TXT Records1 records   491ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (cortrium.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.cortrium.dk)
p=reject v=DMARC1; p=reject; rua=mailto:6412b30a87d94450a470dc9ef6592f02@dmarc-reports.cloudflare.net
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC482ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA204ms
FieldValue
Serial2406571955
Primary NS (MNAME)edna.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
354ms
A
277ms
MX
232ms
AAAA
199ms
TXT
491ms
CAA
320ms
HTTPS
356ms
TLSA
165ms
SOA
204ms
MTA-STS
375ms
DNSSEC
482ms
SRV
0ms
Total
1455ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 18:32:37 555ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-05 04:57:41 1542ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-23 05:51:06 1692ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-17 05:03:46 850ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-12 05:05:05 2842ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-27 16:51:55 1875ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-24 16:41:25 1088ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-21 09:02:22 2019ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-20 21:33:54 1126ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-16 22:52:45 1455ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-16 22:31:09 606ms 2 NS 2 A 0 MX 🔒 Secure View
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