holdt.dk

📜 Historical scan 2026-06-17 13:50:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holdt.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 17 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.210.13 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. 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 179ms

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 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.210.13	—	linux3.scannet.dk	AS48854	team.blue Denmark A/S	46.36.208.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 186ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 476ms

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

✉️ SPF#

Policy	Record (holdt.dk)
~all (soft fail)	v=spf1 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 2026-10-10 23:18:05

www	46.36.210.13 (AS48854) (address records, no CNAME)
www vs bare domain	Same network holdt.dk: 46.36.210.13 (AS48854) www.holdt.dk: 46.36.210.13 (AS48854)
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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 257ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

424ms

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

🏷️ SOA#

161ms

Field	Value
Serial	2021010800
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 2026-10-06 02:54:19

Field	Value
Registrar	A/S SCANNET
Registered	1998-09-17
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

179ms

188ms

186ms

AAAA

172ms

TXT

476ms

CAA

176ms

HTTPS

195ms

TLSA

257ms

SOA

161ms

MTA-STS

187ms

DNSSEC

424ms

SRV

0ms

Total

2554ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 12:41:57	579ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 22:20:38	614ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:20:49	1411ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:50:46 shown	2554ms	2 NS 1 A 1 MX	🔒 Secure