bysommerhuse.dk

📜 Historical scan 2026-09-26 03:05:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bysommerhuse.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 104.21.0.226 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 DNSSEC-signed and validates, 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 36ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.0.226	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a	lt-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.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::1a	so-in-f26.1e100.net so-in-f26.1e100.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 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:805a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:e2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.0.226,172.67.128.90 ech=AEX+DQBBKwAgACC/jGx8cCRqH5/VMLB4Nf50R0T28xtqI4gHbwbqruc0ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:805a,2606:4700:3037::6815:e2

📝 TXT Records#

6 records 187ms

TXT Record
brevo-code:a3b2674a2ce50b8d0243c17b34e5fb5e
google-site-verification=O1oIAEJA-3gd9OwxCM2wG3tXxLIPlo2aXFzWE_DKxWY
pinterest-site-verification=524094accdff429098196168d24f1f20
stripe-verification=9E89DFC70F6CF94B40E3E9FF9F4EA94F9ABE5BD51909F63D148AEAA47100D47D
stripe-verification=b43735da2564a697bfa2b49f6e427d830a08467d99e87e8089a428bb12c3a15c
v=spf1 include:spf.mailjet.com include:_spf.google.com include:email.bookingstudio.dk -all

✉️ SPF#

Policy	Record (bysommerhuse.dk)
-all (hard fail)	v=spf1 include:spf.mailjet.com include:_spf.google.com include:email.bookingstudio.dk -all

📨 DMARC#

Policy	Record (_dmarc.bysommerhuse.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:rua@dmarc.brevo.com; 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 2026-10-16 07:10:24

www	104.21.0.226 172.67.128.90 2606:4700:3032::ac43:805a 2606:4700:3037::6815:e2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bysommerhuse.dk: 104.21.0.226 172.67.128.90 2606:4700:3032::ac43:805a 2606:4700:3037::6815:e2 (AS13335) www.bysommerhuse.dk: 104.21.0.226 172.67.128.90 2606:4700:3032::ac43:805a 2606:4700:3037::6815:e2 (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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
mail	—	RSA · ~1024 bit below 2048 bit

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: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bysommerhuse.dk	HJBDL522e7CtxYDP-o_JzDMTVkX6nX3_qN7U3Lh7y_s
TXT	_acme-challenge.bysommerhuse.dk	HwVzvasN7xvK9oK1_fgNAELPC8u38qdb4T4xuGVuDSI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2415799634
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 2026-10-09 23:34:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-04-08
Expires	2027-04-07 (168d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

33ms

35ms

AAAA

32ms

TXT

187ms

CAA

39ms

HTTPS

42ms

TLSA

81ms

SOA

0ms

MTA-STS

51ms

DNSSEC

113ms

SRV

59ms

Total

1389ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 07:10:24	4791ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-15 05:58:44	492ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-09 23:23:44	635ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-02 18:21:18	616ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-01 18:19:17	1363ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-30 18:07:18	691ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-29 09:42:58	899ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-28 09:05:50	1050ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-27 08:49:10	873ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-26 03:05:49 shown	1389ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-24 02:24:20	901ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-20 12:54:54	1488ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-16 09:53:23	1482ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-09 07:48:39	1664ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-23 09:50:41	1951ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-30 17:26:05	10007ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-07 01:01:53	1637ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-25 07:39:44	1027ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-24 09:20:16	1192ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:25:04	894ms	2 NS 2 A 5 MX	🔒 Secure