by-sommerhuse.dk

📜 Historical scan 2026-06-16 18:12:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

by-sommerhuse.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 8 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.214 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 426ms

Nameserver	IP addresses	PTR	ASN / ISP
dan.ns.cloudflare.com	—	—	—
nadia.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 418ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.214	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.64	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 451ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c940	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:4cd6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 387ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.214,172.67.201.64 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c940,2606:4700:3032::6815:4cd6

📝 TXT Records#

1 records 639ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.by-sommerhuse.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 2026-10-21 03:54:51

www	Exists, no address
www vs bare domain	www does not resolve by-sommerhuse.dk: 104.21.76.214 172.67.201.64 2606:4700:3032::6815:4cd6 2606:4700:3037::ac43:c940 (AS13335) www.by-sommerhuse.dk: no address (all like this)
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

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

657ms

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

🏷️ SOA#

376ms

Field	Value
Serial	2406668104
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 2026-10-14 04:42:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-04-08
Expires	2027-04-07 (162d)

🔗 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
byqr.dk	NETIM
bysommerhus.dk	Punktum dk A/S (direct)
bysommerhuse.dk	Punktum dk A/S (direct)
bysommerhusudlejning.dk	Punktum dk A/S (direct)
loekkensommerhus.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

426ms

418ms

442ms

AAAA

451ms

TXT

639ms

CAA

392ms

HTTPS

387ms

TLSA

2351ms

SOA

376ms

MTA-STS

439ms

DNSSEC

657ms

SRV

0ms

Total

4642ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 03:54:51	2991ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-15 05:48:18	2294ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-14 04:25:14	1206ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-09 22:15:30	4939ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-06 20:56:43	2386ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-05 20:36:34	3141ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 20:15:59	584ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 17:15:32	525ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 23:41:05	502ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 03:24:19	1414ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 01:36:55	553ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 08:20:04	693ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 22:39:52	4175ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-21 22:35:46	6730ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 13:35:21	2632ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-31 11:48:32	9275ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 20:28:21	804ms	2 NS 2 A 0 MX	❓ Unknown
2026-07-06 14:25:35	5945ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 08:46:46	804ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 02:12:12	706ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 21:15:28	803ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 20:45:50	968ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:15:25	1253ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:12:11 shown	4642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:02:10	323ms	2 NS 2 A 0 MX	🔓 Insecure