katzenelson.dk

📜 Historical scan 2026-06-24 07:45:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

katzenelson.dk is a .dk domain served by 3 nameservers (ns1.avalonia.com, ns2.avalonia.com, ns3.avalonia.com). It was registered on 29 May 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. The zone is of unknown DNSSEC status, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 84ms

Nameserver	IP addresses	PTR	ASN / 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 A/S

🌍 A Records#

4 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 374ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 17:16:02

www CNAME	ext-cust.squarespace.com (all on squarespace.com) → 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
www vs bare domain	Same network katzenelson.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.katzenelson.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

96ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'katzenelson.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

98ms

Field	Value
Serial	2023102505
Primary NS (MNAME)	ns1.avalonia.com
Responsible (RNAME)	smb_consultancy@unit-it.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 10:07:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-05-29
Expires	2027-05-31 (223d)

📋 WHOIS#

⏱️ Lookup Timing#

84ms

76ms

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 At	Duration	Records	DNSSEC
2026-10-14 17:16:02	27226ms	3 NS 4 A 0 MX	🔓 Insecure
2026-09-30 00:20:10	564ms	3 NS 4 A 0 MX	🔓 Insecure
2026-09-25 17:46:15	9727ms	3 NS 4 A 0 MX	🔓 Insecure
2026-09-14 01:32:29	4775ms	3 NS 4 A 0 MX	🔓 Insecure
2026-09-08 19:57:49	36183ms	3 NS 4 A 0 MX	🔓 Insecure
2026-08-30 01:58:50	34251ms	3 NS 4 A 0 MX	🔓 Insecure
2026-08-27 19:14:13	800ms	3 NS 4 A 0 MX	🔓 Insecure
2026-06-26 08:24:17	4391ms	3 NS 4 A 0 MX	🔓 Insecure
2026-06-24 07:45:31 shown	699ms	3 NS 4 A 0 MX	❓ Unknown
2026-06-18 06:09:19	12490ms	3 NS 4 A 0 MX	🔓 Insecure