blockson.dk

📜 Historical scan 2026-09-23 06:29:37 · ← 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 154ms

Nameserver	IP addresses	PTR	ASN / 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 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 103ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.189,172.67.138.112 ech=AEX+DQBBdAAgACAgEXc+SBtj7JlgTJ2SksC/AAOB7ECWGTN7duMWUcG0LgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:8a70,2606:4700:3037::6815:3ebd

📝 TXT Records#

1 records 541ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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

www	104.21.62.189 172.67.138.112 2606:4700:3034::ac43:8a70 2606:4700:3037::6815:3ebd (AS13335) (address records, no CNAME)
www vs bare domain	Same network blockson.dk: 104.21.62.189 172.67.138.112 2606:4700:3034::ac43:8a70 2606:4700:3037::6815:3ebd (AS13335) www.blockson.dk: 104.21.62.189 172.67.138.112 2606:4700:3034::ac43:8a70 2606:4700:3037::6815:3ebd (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

198ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415355919
Primary NS (MNAME)	cortney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 19:21:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-02-17
Expires	2027-02-16 (122d)

📋 WHOIS#

⏱️ Lookup Timing#

154ms

114ms

117ms

AAAA

97ms

TXT

541ms

CAA

135ms

HTTPS

103ms

TLSA

78ms

SOA

0ms

MTA-STS

145ms

DNSSEC

198ms

SRV

392ms

Total

1279ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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