blockson.dk

Records from scan: 2026-10-16 18:07:57  ·  709ms total
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
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   38ms
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   41ms
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   40ms
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   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.62.189,172.67.138.112 ech=AEX+DQBBEAAgACCXGxdQTSe94cpHhbLtpwWbCkVGSKQ5XRJJ/nLxjKWXHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:8a70,2606:4700:3037::6815:3ebd

📝 TXT Records#

1 records   173ms
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#

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 fE1YQEszyVPeUkwWYsXaeg9ENd_U_3dA6Ulcx7xWnF8
TXT _acme-challenge.blockson.dk y-1hHhi-NyZ4Tw09o5IF3IEYAoyDcJqYWeXoWG2HM9I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

43ms
FieldValue
Serial2417649402
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
38ms
A
38ms
MX
41ms
AAAA
40ms
TXT
173ms
CAA
45ms
HTTPS
44ms
TLSA
85ms
SOA
43ms
MTA-STS
60ms
DNSSEC
51ms
SRV
67ms
Total
709ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 18:07:57 shown 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 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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