bysommerhusudlejning.dk

📜 Historical scan 2026-09-03 00:32:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bysommerhusudlejning.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 28 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.157 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.157	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.73.26 2a00:1450:4010:c22::1a	lq-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:d253	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:259d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.157,172.67.210.83 ech=AEX+DQBBuQAgACCfkh6AlRsT4ldcDjNd/v+jbE7ogdmBr3sGRRt3svQgNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d253,2606:4700:3032::6815:259d

📝 TXT Records#

3 records 199ms

TXT Record
google-site-verification=n6N5get9IFaY0c40y5Vwa9iT9aiMAMG5l5VtBO2yeoU
google-site-verification=XetA0ugqCbqB6AnEROu9iDCriQPlupLlw4df-XeJ8yY
v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all

✉️ SPF#

Policy	Record (bysommerhusudlejning.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~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 2026-10-17 16:37:22

www	104.21.37.157 172.67.210.83 2606:4700:3031::ac43:d253 2606:4700:3032::6815:259d (AS13335) (address records, no CNAME)
www vs bare domain	Same network bysommerhusudlejning.dk: 104.21.37.157 172.67.210.83 2606:4700:3031::ac43:d253 2606:4700:3032::6815:259d (AS13335) www.bysommerhusudlejning.dk: 104.21.37.157 172.67.210.83 2606:4700:3031::ac43:d253 2606:4700:3032::6815:259d (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bysommerhusudlejning.dk	91fTZhLuUt0VGVYJo02b2zftI6-laeI8inYxoJYC7sg
TXT	_acme-challenge.bysommerhusudlejning.dk	PS0RH3JLI4b8PUHOmmYXCPbaUksNRkWdecgZt6rfn0A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2055ms

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	2413709788
Primary NS (MNAME)	dan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 05:34:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-02-28
Expires	2027-02-27 (127d)

🔗 Same registrant#

5 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).

Domain	Registrar
by-sommerhuse.dk	Punktum dk A/S (direct)
byqr.dk	NETIM
bysommerhus.dk	Punktum dk A/S (direct)
bysommerhuse.dk	Punktum dk A/S (direct)
loekkensommerhus.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

48ms

52ms

AAAA

46ms

TXT

199ms

CAA

60ms

HTTPS

48ms

TLSA

173ms

SOA

0ms

MTA-STS

51ms

DNSSEC

2055ms

SRV

63ms

Total

2742ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 16:37:22	4046ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-11 02:22:17	934ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-17 04:12:40	1019ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-05 07:28:23	1240ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-03 00:32:53 shown	2742ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 04:49:35	873ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-20 08:40:27	9554ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-02 13:27:43	2920ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-24 00:16:02	1660ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 18:25:29	676ms	2 NS 2 A 5 MX	🔓 Insecure