alberg.dk

📜 Historical scan 2026-06-16 13:22:08  ·  ← 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   33ms
NameserverIP addressesPTRASN / ISP
joselyn.ns.cloudflare.com — — —
kayden.ns.cloudflare.com — — —

🌍 A Records#

2 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.81.139 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.189.159 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.mailcast.io 95.179.183.159 mx1.mailcast.io AS20473 The Constant Company, LLC
20 — mx2.mailcast.io 108.61.198.249 mx2.mailcast.io AS20473 The Constant Company, LLC

🔷 AAAA Records (IPv6)#

2 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:518b — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:bd9f — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.81.139,172.67.189.159 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:518b,2606:4700:3037::ac43:bd9f

📝 TXT Records#

2 records   159ms
TXT Record
apple-domain=aq1bCiVQ4TK9lwK7
v=spf1 include:icloud.com include:spf.mailcast.io include:_spf.google.com include:spf.infomaniak.ch ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www159.69.139.47 (AS24940) (address records, no CNAME)
www vs bare domainSame network
alberg.dk: 159.69.139.47 (AS24940)
www.alberg.dk: 159.69.139.47 (AS24940)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: 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#

128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

53ms
FieldValue
Serial2406767824
Primary NS (MNAME)joselyn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 23:00:47
FieldValue
RegistrarSimply.com A/S
Registered2000-03-22
Expires2027-03-31 (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#

NS
33ms
A
42ms
MX
42ms
AAAA
47ms
TXT
159ms
CAA
34ms
HTTPS
33ms
TLSA
94ms
SOA
53ms
MTA-STS
37ms
DNSSEC
128ms
SRV
0ms
Total
888ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 888ms 2 NS 2 A 2 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone