hydrocephalus.dk

📜 Historical scan 2026-09-23 11:33:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hydrocephalus.dk is a .dk domain served by 2 nameservers (ricardo.ns.cloudflare.com, sofia.ns.cloudflare.com). It was registered on 14 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.68.39 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ricardo.ns.cloudflare.com	108.162.195.211 162.159.44.211 172.64.35.211 2606:4700:58::a29f:2cd3 2803:f800:50::6ca2:c3d3 2a06:98c1:50::ac40:23d3	ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sofia.ns.cloudflare.com	108.162.192.223 172.64.32.223 173.245.58.223 2606:4700:50::adf5:3adf 2803:f800:50::6ca2:c0df 2a06:98c1:50::ac40:20df	sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.68.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.82	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4427	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:ba52	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.68.39,172.67.186.82 ech=AEX+DQBBMwAgACAxtLnJA3JeWOvRAXvRuISJz2VfdEGCUCf/6j58btACHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4427,2606:4700:3037::ac43:ba52

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 19:22:47

www	104.21.68.39 172.67.186.82 2606:4700:3035::6815:4427 2606:4700:3037::ac43:ba52 (AS13335) (address records, no CNAME)
www vs bare domain	Same network hydrocephalus.dk: 104.21.68.39 172.67.186.82 2606:4700:3035::6815:4427 2606:4700:3037::ac43:ba52 (AS13335) www.hydrocephalus.dk: 104.21.68.39 172.67.186.82 2606:4700:3035::6815:4427 2606:4700:3037::ac43:ba52 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms

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	2411499297
Primary NS (MNAME)	ricardo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 14:04:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-14
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

45ms

64ms

AAAA

64ms

TXT

229ms

CAA

60ms

HTTPS

42ms

TLSA

49ms

SOA

0ms

MTA-STS

56ms

DNSSEC

85ms

SRV

64ms

Total

1090ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 13:54:25	1635ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 13:15:58	1593ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 13:12:43	606ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 11:33:59 shown	1090ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 14:00:06	534ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 10:11:13	526ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-02 22:16:26	578ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 15:47:21	928ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-02 13:00:31	833ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 01:12:48	2017ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 20:18:21	951ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:44:37	45801ms	2 NS 2 A 0 MX	🔓 Insecure