by-sommerhuse.dk

📜 Historical scan 2026-10-09 22:15:30 · ← 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). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. 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 500ms

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 479ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.214	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.64	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 136ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
70	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
76	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
89	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 483ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:4cd6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c940	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 464ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.214,172.67.201.64 ech=AEX+DQBBkQAgACD27vCTFy0mu1pqNS36tsbP2m178zSs5RNpG3m8pMc7HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4cd6,2606:4700:3037::ac43:c940

📝 TXT Records#

1 records 760ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (by-sommerhuse.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 798ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

600ms

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

🏷️ SOA#

92ms

Field	Value
Serial	2417036114
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 (161d)

🔗 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#

500ms

479ms

136ms

AAAA

483ms

TXT

760ms

CAA

472ms

HTTPS

464ms

TLSA

798ms

SOA

92ms

MTA-STS

529ms

DNSSEC

600ms

SRV

530ms

Total

4939ms

🕐 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 shown	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	4642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:02:10	323ms	2 NS 2 A 0 MX	🔓 Insecure