notebook.dk

📜 Historical scan 2026-10-02 18:40:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

notebook.dk is a .dk domain served by 2 nameservers (chris.ns.cloudflare.com, nova.ns.cloudflare.com). It was registered on 22 April 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.21 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   49ms

🌍 A Records#

2 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.49.21 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.188.199 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   31ms

🔐 HTTPS Records#

1 records   59ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.21,172.67.188.199 ech=AEX+DQBBVgAgACBSCnguuint6pSmgTUy95ya61JpQLx0VRPdhf6qwS6HKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bcc7,2606:4700:3032::6815:3115

📝 TXT Records#

1 records   207ms
TXT Record
google-site-verification=B4OniaF9LK0JiSgQBfhEkL8_WFQ46AzSYfsy3lLS0m8

✉️ 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 2026-10-18 17:13:43

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.notebook.dk -Wu98YV94Uv8n75QeopgqAjh5MIfPOQ0Nfr5ul_Yzwo
TXT _acme-challenge.notebook.dk 3hkPl-XGKSByDWZ6JI2r3C6XYE6q9k83y2yM6espxG4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

37ms
FieldValue
Serial2416086040
Primary NS (MNAME)chris.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 21:02:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-04-22
Expires2027-06-30 (253d)

🔗 Same registrant#

24 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
49ms
A
34ms
MX
43ms
AAAA
31ms
TXT
207ms
CAA
47ms
HTTPS
59ms
TLSA
58ms
SOA
37ms
MTA-STS
60ms
DNSSEC
87ms
SRV
70ms
Total
588ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 18:43:41 805ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-02 18:40:54 shown 588ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-28 23:12:22 1333ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 22:45:55 1090ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 22:05:11 3899ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-18 19:30:59 1193ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-12 00:20:24 1011ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-03 10:50:17 590ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-24 18:39:01 1508ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-19 10:56:53 973ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-15 16:40:52 860ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-26 05:35:26 828ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-18 05:05:33 2324ms 2 NS 2 A 0 MX 🔓 Insecure
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