assetbook.dk

📜 Historical scan 2026-09-04 19:50:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assetbook.dk is a .dk domain served by 2 nameservers (burt.ns.cloudflare.com, gail.ns.cloudflare.com). It was registered on 15 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.75.40.53 is hosted by Sandviken Energi AB (AS20626) in Sweden. Mail is handled by mx.assetbook.email. 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#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
burt.ns.cloudflare.com	108.162.193.79 172.64.33.79 173.245.59.79 2606:4700:58::adf5:3b4f 2803:f800:50::6ca2:c14f 2a06:98c1:50::ac40:214f	burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gail.ns.cloudflare.com	108.162.192.116 172.64.32.116 173.245.58.116 2606:4700:50::adf5:3a74 2803:f800:50::6ca2:c074 2a06:98c1:50::ac40:2074	gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com gail.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.75.40.53	300s	c185-75-40-53.customer.sandnet.se	AS20626	Sandviken Energi AB	185.75.40.0/22	🇸🇪 Sweden	Sandviken
62.168.146.135	300s	146-135.sandnet.se	AS20626	Sandviken Energi AB	62.168.128.0/19	🇸🇪 Sweden	Sandviken

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.assetbook.email	185.75.40.53 62.168.146.135	c185-75-40-53.customer.sandnet.se 146-135.sandnet.se	AS20626 Sandviken Energi AB AS20626 Sandviken Energi AB

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	assetbook.eu → 185.75.40.53
🔶 Autoconfig	assetbook.dk → 62.168.146.135

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 186ms

TXT Record
v=spf1 ip4:185.75.40.53 include:assetbook.eu ~all

✉️ SPF#

Policy	Record (assetbook.dk)
~all (soft fail)	v=spf1 ip4:185.75.40.53 include:assetbook.eu ~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 2026-10-08 08:56:15

www CNAME	assetbook.eu (all on assetbook.eu) → 185.75.40.53 62.168.146.135 (AS20626)
www vs bare domain	Same network assetbook.dk: 185.75.40.53 62.168.146.135 (AS20626) www.assetbook.dk: 185.75.40.53 62.168.146.135 (AS20626)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.assetbook.dk	UrJq5PreRfCQUR7IiBIUw_7uJU-hc2UmB-v8YBHoN7o
TXT	_acme-challenge.assetbook.dk	XnolmFB9TUlXE7tawi2eGXYoqPwzgCb06iHUCbDbKLA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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	2413985082
Primary NS (MNAME)	burt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 08:56:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-02-15
Expires	2027-02-14 (120d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

37ms

45ms

AAAA

50ms

TXT

186ms

CAA

34ms

HTTPS

39ms

TLSA

642ms

SOA

0ms

MTA-STS

81ms

DNSSEC

112ms

SRV

83ms

Total

1358ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:32:29	1188ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 02:09:25	9698ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 02:08:46	2120ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 01:07:57	839ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 06:17:44	970ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 21:59:49	848ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 19:50:09 shown	1358ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 16:59:46	9836ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 14:51:40	937ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 10:14:18	3733ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 07:40:50	3399ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 17:19:17	983ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 02:46:53	1328ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 00:38:46	916ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:56:31	14251ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 20:44:50	1488ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:51:43	3339ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:46:33	737ms	2 NS 2 A 1 MX	🔓 Insecure