lassems.dk

📜 Historical scan 2026-09-04 16:00:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lassems.dk is a .dk domain served by 2 nameservers (chin.ns.cloudflare.com, trevor.ns.cloudflare.com). It was registered on 9 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.3 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
chin.ns.cloudflare.com	108.162.192.84 172.64.32.84 173.245.58.84 2606:4700:50::adf5:3a54 2803:f800:50::6ca2:c054 2a06:98c1:50::ac40:2054	chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com chin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
trevor.ns.cloudflare.com	108.162.195.154 162.159.44.154 172.64.35.154 2606:4700:58::a29f:2c9a 2803:f800:50::6ca2:c39a 2a06:98c1:50::ac40:239a	trevor.ns.cloudflare.com trevor.ns.cloudflare.com trevor.ns.cloudflare.com trevor.ns.cloudflare.com trevor.ns.cloudflare.com trevor.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.3	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.156.5	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.73.3
🔶 Autoconfig	104.21.73.3

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4903	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9c05	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.3,172.67.156.5 ech=AEX+DQBBzAAgACBdjRR/DoyyCPlNhdkvfShbyxStYZAQ4f9msm08MZwIJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4903,2606:4700:3037::ac43:9c05

📝 TXT Records#

1 records 174ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (lassems.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.lassems.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-18 21:21:59

www	104.21.73.3 172.67.156.5 2606:4700:3035::6815:4903 2606:4700:3037::ac43:9c05 (AS13335) (address records, no CNAME)
www vs bare domain	Same network lassems.dk: 104.21.73.3 172.67.156.5 2606:4700:3035::6815:4903 2606:4700:3037::ac43:9c05 (AS13335) www.lassems.dk: 104.21.73.3 172.67.156.5 2606:4700:3035::6815:4903 2606:4700:3037::ac43:9c05 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

103ms

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	2414003813
Primary NS (MNAME)	chin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 16:08:31

Field	Value
Registrar	Simply.com A/S
Registered	2023-04-09
Expires	2027-04-08 (170d)

🔗 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#

31ms

33ms

43ms

AAAA

36ms

TXT

174ms

CAA

50ms

HTTPS

40ms

TLSA

448ms

SOA

0ms

MTA-STS

55ms

DNSSEC

103ms

SRV

65ms

Total

2328ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 21:21:59	1382ms	2 NS 2 A 0 MX	❓ Unknown
2026-10-17 20:27:28	1364ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-16 19:54:31	2085ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-15 17:28:47	633ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-14 15:41:10	663ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-13 14:15:10	3414ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-12 10:09:41	3027ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-11 08:05:51	2279ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-10 07:12:01	2019ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-09 03:00:20	1091ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-08 10:36:00	2104ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 10:24:29	414ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-06 07:47:27	1312ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-05 07:29:14	1957ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-04 06:58:42	1822ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 06:57:02	2521ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 06:45:55	514ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 06:38:51	1729ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 06:32:11	541ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 13:59:20	658ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 13:50:38	603ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 13:43:15	712ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 13:26:55	1787ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 13:07:57	1145ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 12:58:36	618ms	2 NS 2 A 0 MX	🔓 Insecure