notebook.dk

📜 Historical scan 2026-09-28 23:12:22  ·  ← 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   55ms

🌍 A Records#

2 records   44ms
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   58ms

🔐 HTTPS Records#

1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.49.21,172.67.188.199 ech=AEX+DQBB7QAgACAB/s5wDktZzfurFSNLXVXsBbadZH/7182blkILBW1nRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bcc7,2606:4700:3032::6815:3115

📝 TXT Records#

1 records   172ms
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#

119ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
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
55ms
A
44ms
MX
43ms
AAAA
58ms
TXT
172ms
CAA
32ms
HTTPS
46ms
TLSA
49ms
SOA
0ms
MTA-STS
56ms
DNSSEC
119ms
SRV
67ms
Total
1333ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 18:43:41 805ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-02 18:40:54 588ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-28 23:12:22 shown 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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