katzenelson.dk

📜 Historical scan 2026-09-25 17:46:15 · ← 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 not DNSSEC-signed, 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 116ms

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 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	86400s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	86400s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	86400s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	86400s	—	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 246ms

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#

9075ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

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 2026-10-20 08:12:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-05-29
Expires	2027-05-31 (222d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

116ms

120ms

AAAA

114ms

TXT

246ms

CAA

113ms

HTTPS

113ms

TLSA

236ms

SOA

0ms

MTA-STS

131ms

DNSSEC

9075ms

SRV

125ms

Total

9727ms

🕐 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 shown	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	699ms	3 NS 4 A 0 MX	❓ Unknown
2026-06-18 06:09:19	12490ms	3 NS 4 A 0 MX	🔓 Insecure