notebook.dk

📜 Historical scan 2026-09-03 10:50:17 · ← 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nova.ns.cloudflare.com	108.162.194.129 162.159.38.129 172.64.34.129 2606:4700:50::a29f:2681 2803:f800:50::6ca2:c281 2a06:98c1:50::ac40:2281	nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:bcc7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3115	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.21,172.67.188.199 ech=AEX+DQBBuQAgACAFfoEbsvWU1TyWI0JBN9Ztgm1vqBa/0EVBfkSLr0LNcgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bcc7,2606:4700:3032::6815:3115

📝 TXT Records#

1 records 201ms

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

www	104.21.49.21 172.67.188.199 2606:4700:3030::ac43:bcc7 2606:4700:3032::6815:3115 (AS13335) (address records, no CNAME)
www vs bare domain	Same network notebook.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.notebook.dk: 104.21.49.21 172.67.188.199 2606:4700:3030::ac43:bcc7 2606:4700:3032::6815:3115 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.notebook.dk	Gcx7BVZkC_LHwHtEEW4bIOdWjiP56A7csY03DE0v_so
TXT	_acme-challenge.notebook.dk	WJs7Ah1TLSECmYTZjghnUhiOkxFuFOaWn35PFvYqh4o

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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	2413801318
Primary NS (MNAME)	chris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 21:02:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-04-22
Expires	2027-06-30 (253d)

🔗 Same registrant#

24 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
applefix.dk	Punktum dk A/S (direct)
applereparation.dk	Punktum dk A/S (direct)
applereservedel.dk	Punktum dk A/S (direct)
applereservedele.dk	Punktum dk A/S (direct)
billigstrømforsyning.dk	Punktum dk A/S (direct)
boostid.dk	Punktum dk A/S (direct)
bærbar-batteri-oplader.dk	Punktum dk A/S (direct)
data-marked.dk	Punktum dk A/S (direct)
datamarked.dk	Punktum dk A/S (direct)
datamarkedengros.dk	Punktum dk A/S (direct)
datamarket.dk	DANDOMAIN A/S
hp-compaq.dk	Punktum dk A/S (direct)
hpcompaq.dk	Punktum dk A/S (direct)
ibm-lenovo.dk	Punktum dk A/S (direct)
microbattery.dk	Punktum dk A/S (direct)
mve.dk	Punktum dk A/S (direct)
printplot.dk	Punktum dk A/S (direct)
redsail.dk	Punktum dk A/S (direct)
signmax.dk	Punktum dk A/S (direct)
siser.dk	Punktum dk A/S (direct)
skilteproduktion.dk	DANDOMAIN A/S
tekstilfolie.dk	Punktum dk A/S (direct)
varmepresser.dk	Punktum dk A/S (direct)
winpcsign.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

49ms

53ms

AAAA

34ms

TXT

201ms

CAA

45ms

HTTPS

58ms

TLSA

57ms

SOA

0ms

MTA-STS

97ms

DNSSEC

88ms

SRV

67ms

Total

590ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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