assetbook.dk DNS records

🖥️ Nameservers2 records 46ms

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 Records2 records 44ms

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 Records1 records 52ms

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.dk → 185.75.40.53
🔶 Autoconfig	assetbook.dk → 185.75.40.53

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 145ms

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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.assetbook.dk	assetbook.dk

🔗 TLSA / DANE

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

🔐 DNSSEC121ms

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

🏷️ SOA48ms

Field	Value
Serial	2404021374
Primary NS (MNAME)	burt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

44ms

MX

52ms

AAAA

45ms

TXT

145ms

CAA

49ms

HTTPS

45ms

TLSA

231ms

SOA

48ms

MTA-STS

458ms

DNSSEC

121ms

SRV

451ms

Total

1328ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:59:46	9836ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 14:51:40	937ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 10:14:18	3733ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 07:40:50	3399ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 17:19:17	983ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 02:46:53	1328ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 00:38:46	916ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 23:56:31	14251ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 20:44:50	1488ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 13:51:43	3339ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 13:46:33	737ms	2 NS 2 A 1 MX	🔓 Insecure	View