alberg.dk

📜 Historical scan 2026-08-20 10:15:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alberg.dk is a .dk domain served by 2 nameservers (joselyn.ns.cloudflare.com, kayden.ns.cloudflare.com). It was registered on 22 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailcast.io, mx2.mailcast.io. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
joselyn.ns.cloudflare.com	108.162.194.43 162.159.38.43 172.64.34.43 2606:4700:50::a29f:262b 2803:f800:50::6ca2:c22b 2a06:98c1:50::ac40:222b	joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kayden.ns.cloudflare.com	108.162.195.74 162.159.44.74 172.64.35.74 2606:4700:58::a29f:2c4a 2803:f800:50::6ca2:c34a 2a06:98c1:50::ac40:234a	kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.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
104.21.81.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.159	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.mailcast.io	2a05:f480:1400:2bab:5400:5ff:fe9e:26 95.179.183.159	mx1.mailcast.io mx1.mailcast.io	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
20	3600s	mx2.mailcast.io	108.61.198.249 2a05:f480:1400:3ceb:5400:5ff:fe8e:ecf8	mx2.mailcast.io mx2.mailcast.io	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	infomaniak.com → 185.125.25.1
🔶 Autoconfig	infomaniak.com → 185.125.25.1

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:518b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bd9f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.139,172.67.189.159 ech=AEX+DQBBFwAgACDCuYOz2VyQXrExBn2+VkX34JA/Ywi/m52q4C9qDazsEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:518b,2606:4700:3037::ac43:bd9f

📝 TXT Records#

2 records 205ms

TXT Record
apple-domain=aq1bCiVQ4TK9lwK7
v=spf1 include:icloud.com include:spf.mailcast.io include:_spf.google.com include:spf.infomaniak.ch ~all

✉️ SPF#

Policy	Record (alberg.dk)
~all (soft fail)	v=spf1 include:icloud.com include:spf.mailcast.io include:_spf.google.com include:spf.infomaniak.ch ~all

📨 DMARC#

Policy	Record (_dmarc.alberg.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-13 10:34:04

www	159.69.139.47 (AS24940) (address records, no CNAME)
www vs bare domain	Same network alberg.dk: 159.69.139.47 (AS24940) www.alberg.dk: 159.69.139.47 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
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: 11/10 · policy: ~all

error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412650086
Primary NS (MNAME)	joselyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 23:00:47

Field	Value
Registrar	Simply.com A/S
Registered	2000-03-22
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

38ms

48ms

50ms

AAAA

43ms

TXT

205ms

CAA

45ms

HTTPS

59ms

TLSA

236ms

SOA

0ms

MTA-STS

65ms

DNSSEC

96ms

SRV

94ms

Total

1822ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:34:04	2472ms	3 NS 1 A 2 MX	🔓 Insecure
2026-10-04 15:54:03	2091ms	3 NS 1 A 2 MX	🔓 Insecure
2026-10-03 15:47:10	849ms	3 NS 1 A 2 MX	🔓 Insecure
2026-10-02 15:46:15	1667ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-06 08:19:23	2860ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-05 12:30:43	801ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-31 05:55:21	3128ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-29 19:07:34	2089ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-20 10:15:44 shown	1822ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-19 07:44:11	3357ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-11 22:53:34	1498ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-10 14:36:28	1744ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-07 02:17:40	10529ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-29 05:03:02	14577ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-13 10:01:11	1658ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 16:39:54	1661ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-01 00:46:22	1307ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 06:12:21	3103ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-19 16:15:58	1172ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-16 13:22:08	888ms	2 NS 2 A 2 MX	🔓 Insecure