alberthaff.dk

📜 Historical scan 2026-10-10 02:37:56  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alberthaff.dk is a .dk domain served by 2 nameservers (newt.ns.cloudflare.com, zoe.ns.cloudflare.com). It was registered on 8 September 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.143 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   30ms

🌍 A Records#

2 records   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.143 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.181.104 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   28ms

🔷 AAAA Records (IPv6)#

2 records   43ms

🔐 HTTPS Records#

1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.143,172.67.181.104 ech=AEX+DQBBfQAgACB3r4pfXN3Ds1gsiSxHmxbDOCJI4JYIKgbrlhzEEZyCZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:338f,2606:4700:3037::ac43:b568

📝 TXT Records#

1 records   175ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (alberthaff.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all

📨 DMARC#

PolicyRecord (_dmarc.alberthaff.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@alberthaff.dk, mailto:dmarc@alberthaff.dk

📬 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 2026-10-15 19:39:46
www104.21.51.143 172.67.181.104 2606:4700:3032::6815:338f 2606:4700:3037::ac43:b568 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

45ms
FieldValue
Serial2417031842
Primary NS (MNAME)newt.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 03:32:21
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2012-09-08
Expires2027-09-30 (347d)

🔗 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
30ms
A
28ms
MX
28ms
AAAA
43ms
TXT
175ms
CAA
32ms
HTTPS
46ms
TLSA
84ms
SOA
45ms
MTA-STS
55ms
DNSSEC
54ms
SRV
59ms
Total
597ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 19:39:46 1367ms 2 NS 2 A 5 MX 🔒 Secure
2026-10-10 02:37:56 shown 597ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-30 00:12:48 658ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-23 20:27:08 897ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-27 19:23:37 698ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-09 07:02:47 1574ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-06 15:54:00 1798ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-26 08:16:52 9767ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-12 23:12:58 9421ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-22 07:41:36 672ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-18 08:21:57 1093ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-16 12:36:25 795ms 2 NS 2 A 5 MX 🔒 Secure
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