katznelson.dk

📜 Historical scan 2026-06-20 18:15:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

katznelson.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 29 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.88.99.152 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.scannet.dk, mx2.scannet.dk. The zone is DNSSEC-signed and validates, 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#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.88.99.152	3600s	—	AS3292	TDC Holding A/S	193.88.0.0/15	🇩🇰 Denmark	Esbjerg

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.scannet.dk	46.36.210.150	mx1.scannet.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.scannet.dk	94.231.106.222	mx2.scannet.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.scannet.dk → 46.36.210.164
🔶 Autoconfig	autoconfig-mf.scannet.dk → 46.36.210.154

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 201ms

TXT Record
v=spf1 a include:shared.itadel.dk include:spf.scannet.dk ~all

✉️ SPF#

Policy	Record (katznelson.dk)
~all (soft fail)	v=spf1 a include:shared.itadel.dk include:spf.scannet.dk ~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 2026-10-09 12:02:17

www	193.88.99.152 (AS3292) (address records, no CNAME)
www vs bare domain	Same network katznelson.dk: 193.88.99.152 (AS3292) www.katznelson.dk: 193.88.99.152 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

45ms

Field	Value
Serial	2020110601
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 22:33:20

Field	Value
Registrar	A/S SCANNET
Registered	2002-10-29
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

112ms

35ms

AAAA

81ms

TXT

201ms

CAA

32ms

HTTPS

117ms

TLSA

53ms

SOA

45ms

MTA-STS

32ms

DNSSEC

68ms

SRV

169ms

Total

466ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:02:17	895ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 05:44:35	450ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 04:20:48	3669ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 19:57:07	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:15:45 shown	466ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 03:49:25	458ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 06:27:58	821ms	2 NS 1 A 2 MX	🔒 Secure