katzenelson.dk
📜 Historical scan 2026-06-24 07:45:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   84ms
NameserverIP addressesPTRASN / ISP
ns1.avalonia.com 80.197.219.44 — AS3292 TDC Holding A/S
ns2.avalonia.com 80.197.219.45 — AS3292 TDC Holding A/S
ns3.avalonia.com 77.221.229.14 — AS42876 Unit IT Services ApS
🌍 A Records4 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.185.159.144 21600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States New York
198.185.159.145 21600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States —
198.49.23.144 21600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
198.49.23.145 21600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   374ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (katzenelson.dk)
-all (hard fail) v=spf1 -all
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'katzenelson.dk/A/IN': 127.0.0.1#53
🏷️ SOA98ms
FieldValue
Serial2023102505
Primary NS (MNAME)ns1.avalonia.com
Responsible (RNAME)smb_consultancy@unit-it.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
84ms
A
76ms
MX
31ms
AAAA
186ms
TXT
374ms
CAA
177ms
HTTPS
36ms
TLSA
49ms
SOA
98ms
MTA-STS
83ms
DNSSEC
96ms
SRV
144ms
Total
699ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 01:58:50 34251ms 3 NS 4 A 0 MX 🔓 Insecure View
2026-08-27 19:14:13 800ms 3 NS 4 A 0 MX 🔓 Insecure View
2026-06-26 08:24:17 4391ms 3 NS 4 A 0 MX 🔓 Insecure View
2026-06-24 07:45:31 699ms 3 NS 4 A 0 MX ❓ Unknown View
2026-06-18 06:09:19 12490ms 3 NS 4 A 0 MX 🔓 Insecure View
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