modkalk.dk
Last scanned: 2026-09-01 08:56:17  ·  1201ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   97ms
🌍 A Records2 records   93ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.73.177 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.164.158 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   61ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)2 records   94ms
🔐 HTTPS Records1 records   113ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.73.177,172.67.164.158 ech=AEX+DQBBswAgACBSa1KJDOY2ytzmiJSQOpgKz1zpgTyRTL0NV+7rEqB+UgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:49b1,2606:4700:3036::ac43:a49e
📝 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.modkalk.dk qprVAmg6tqqplWCViOKe0LbNT5l7yoxCoo-EulL__Xg
TXT _acme-challenge.modkalk.dk zhylnnHEBZU6Hh5pE2u3I_7s9uYFSfmz5fkyJp8I2P8
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC224ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413700084
Primary NS (MNAME)davina.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
97ms
A
93ms
MX
61ms
AAAA
94ms
TXT
435ms
CAA
92ms
HTTPS
113ms
TLSA
128ms
SOA
0ms
MTA-STS
194ms
DNSSEC
224ms
SRV
170ms
Total
1201ms
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