ferieboligweb.dk

📜 Historical scan 2026-06-24 15:32:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferieboligweb.dk is a .dk domain served by 2 nameservers (isabel.ns.cloudflare.com, norman.ns.cloudflare.com). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.172 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 209ms

Nameserver	IP addresses	PTR	ASN / ISP
isabel.ns.cloudflare.com	108.162.194.104 162.159.38.104 172.64.34.104 2606:4700:50::a29f:2668 2803:f800:50::6ca2:c268 2a06:98c1:50::ac40:2268	isabel.ns.cloudflare.com isabel.ns.cloudflare.com isabel.ns.cloudflare.com isabel.ns.cloudflare.com isabel.ns.cloudflare.com isabel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
norman.ns.cloudflare.com	108.162.193.217 172.64.33.217 173.245.59.217 2606:4700:58::adf5:3bd9 2803:f800:50::6ca2:c1d9 2a06:98c1:50::ac40:21d9	norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.ns.cloudflare.com norman.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 255ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.172	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.243	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 214ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.22.172
🔶 Autoconfig	104.21.22.172

🔷 AAAA Records (IPv6)#

2 records 456ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:16ac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:cdf3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 188ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.172,172.67.205.243 ech=AEX+DQBB5gAgACCJei01RKwHlcPsoqBzSP1UtUZGDaXvIOEKb0W8JOxqVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:16ac,2606:4700:3037::ac43:cdf3

📝 TXT Records#

2 records 459ms

TXT Record
google-site-verification=34n-EqPfFpbRqUdtNrtQD1amfTFt0tLGA5RrHGzEEkY
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (ferieboligweb.dk)
-all (hard fail)	v=spf1 include:spf.simply.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 2026-10-10 12:56:26

www	104.21.22.172 172.67.205.243 2606:4700:3033::6815:16ac 2606:4700:3037::ac43:cdf3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ferieboligweb.dk: 104.21.22.172 172.67.205.243 2606:4700:3033::6815:16ac 2606:4700:3037::ac43:cdf3 (AS13335) www.ferieboligweb.dk: 104.21.22.172 172.67.205.243 2606:4700:3033::6815:16ac 2606:4700:3037::ac43:cdf3 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 167ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

320ms

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

🏷️ SOA#

452ms

Field	Value
Serial	2405703776
Primary NS (MNAME)	isabel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 10:47:54

Field	Value
Registrar	Simply.com A/S
Registered	1997-02-12
Expires	2027-03-31 (160d)

🔗 Same registrant#

6 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
ferieboliger.dk	Simply.com A/S
ferienhaus-daenemark.dk	Punktum dk A/S (direct)
ferienhaus-privat.dk	Simply.com A/S
ferienwohnung.dk	Simply.com A/S
hunde-guide.dk	Simply.com A/S
nemme-madopskrifter.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

209ms

255ms

214ms

AAAA

456ms

TXT

459ms

CAA

235ms

HTTPS

188ms

TLSA

167ms

SOA

452ms

MTA-STS

253ms

DNSSEC

320ms

SRV

247ms

Total

1783ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 04:37:41	809ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 20:42:37	1652ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 18:55:34	834ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 20:45:30	1067ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 21:01:22	8760ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 19:14:38	910ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 15:32:59 shown	1783ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 17:14:31	727ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 09:37:12	950ms	2 NS 2 A 1 MX	🔓 Insecure