blockson.dk

📜 Historical scan 2026-10-13 15:29:58  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blockson.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, kyle.ns.cloudflare.com). It was registered on 17 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ger-02.malthe.cc. 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   36ms
NameserverIP addressesPTRASN / ISP
cortney.ns.cloudflare.com 108.162.192.87
172.64.32.87
173.245.58.87
2606:4700:50::adf5:3a57
2803:f800:50::6ca2:c057
2a06:98c1:50::ac40:2057		 cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
kyle.ns.cloudflare.com 108.162.195.111
162.159.44.111
172.64.35.111
2606:4700:58::a29f:2c6f
2803:f800:50::6ca2:c36f
2a06:98c1:50::ac40:236f		 kyle.ns.cloudflare.com
kyle.ns.cloudflare.com
kyle.ns.cloudflare.com
kyle.ns.cloudflare.com
kyle.ns.cloudflare.com
kyle.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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.62.189 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.138.112 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
100 300s ger-02.malthe.cc 194.15.36.136
2a06:9801:2a3:2::		 ger-02.malthe.cc
ger-02.malthe.cc		 AS58087 Florian Kolb
AS202119 Malthe Kragh Tankred

🔷 AAAA Records (IPv6)#

2 records   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:8a70 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:3ebd 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.62.189,172.67.138.112 ech=AEX+DQBBewAgACCLRElJnlDDHNXWnCFe1W3SU0QAwAUSG9Cq5obM3gKrPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:8a70,2606:4700:3037::6815:3ebd

📝 TXT Records#

1 records   162ms
TXT Record
v=spf1 mx a ip4:194.15.36.136 a:ger-02.malthe.cc a:blockson.dk ~all

✉️ SPF#

PolicyRecord (blockson.dk)
~all (soft fail) v=spf1 mx a ip4:194.15.36.136 a:ger-02.malthe.cc a:blockson.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.blockson.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@malthe.cc

📬 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 18:07:57
www104.21.62.189 172.67.138.112 2606:4700:3034::ac43:8a70 2606:4700:3037::6815:3ebd (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~4096 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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.blockson.dk DMrFXZVeESOhR0azBsiCFXpXSyd4L8waAb6sMNW3lCA
TXT _acme-challenge.blockson.dk eUgnpZ435Kz-j3dLFiftfg3P17wR176oAtG3nT8JfDo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

34ms
FieldValue
Serial2417375462
Primary NS (MNAME)cortney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 19:21:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-02-17
Expires2027-02-16 (122d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
31ms
MX
33ms
AAAA
37ms
TXT
162ms
CAA
36ms
HTTPS
41ms
TLSA
80ms
SOA
34ms
MTA-STS
56ms
DNSSEC
100ms
SRV
62ms
Total
1119ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 18:07:57 709ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-15 16:33:27 1444ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 16:04:10 1357ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 15:29:58 shown 1119ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-12 10:06:04 1624ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-08 02:08:41 617ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 16:35:24 925ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 09:22:17 1160ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 06:29:37 1279ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-16 05:05:12 10001ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 08:10:50 10407ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 00:17:07 5951ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-23 12:59:14 1721ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-02 09:44:17 1699ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 22:55:01 695ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 02:32:11 2534ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 14:50:02 611ms 2 NS 2 A 1 MX 🔓 Insecure
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