clearbook.dk

📜 Historical scan 2026-08-07 17:00:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clearbook.dk is a .dk domain served by 2 nameservers (eva.ns.cloudflare.com, rajeev.ns.cloudflare.com). It was registered on 7 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.199 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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 127ms

Nameserver	IP addresses	PTR	ASN / ISP
eva.ns.cloudflare.com	108.162.192.114 172.64.32.114 173.245.58.114 2606:4700:50::adf5:3a72 2803:f800:50::6ca2:c072 2a06:98c1:50::ac40:2072	eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rajeev.ns.cloudflare.com	108.162.193.224 172.64.33.224 173.245.59.224 2606:4700:58::adf5:3be0 2803:f800:50::6ca2:c1e0 2a06:98c1:50::ac40:21e0	rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.ns.cloudflare.com rajeev.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 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.199	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.226	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	95.217.243.27
🔶 Autoconfig	95.217.243.27

🔷 AAAA Records (IPv6)#

2 records 110ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1c7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:81e2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 101ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.199,172.67.129.226 ech=AEX+DQBBTQAgACCLqSp8XcSK8m9K+4dQe/lAdP95NuRj0VshDXZzORowQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1c7,2606:4700:3036::ac43:81e2

📝 TXT Records#

4 records 292ms

TXT Record
brevo-code:c99a4a57f3ff9d7729a1226afd7bc374
google-site-verification=aC81I8WvJhAaK4XRqBvDZzcgiuElkQ1uc1i0qLaH6SM
google-site-verification=e4lvdFtORW7wG12_gajflxiwea4aXs1QB6lnAFJcESU
v=spf1 +mx +a +ip4:95.217.243.27 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (clearbook.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:95.217.243.27 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.clearbook.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-11 20:56:23

www	104.21.1.199 172.67.129.226 2606:4700:3034::6815:1c7 2606:4700:3036::ac43:81e2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network clearbook.dk: 104.21.1.199 172.67.129.226 2606:4700:3034::6815:1c7 2606:4700:3036::ac43:81e2 (AS13335) www.clearbook.dk: 104.21.1.199 172.67.129.226 2606:4700:3034::6815:1c7 2606:4700:3036::ac43:81e2 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
google	—	RSA · ~2048 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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

181ms

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	2411511448
Primary NS (MNAME)	eva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 13:26:34

Field	Value
Registrar	CURANET A/S
Registered	2023-12-07
Expires	2026-12-06 (47d)

📋 WHOIS#

⏱️ Lookup Timing#

127ms

106ms

96ms

AAAA

110ms

TXT

292ms

CAA

134ms

HTTPS

101ms

TLSA

493ms

SOA

0ms

MTA-STS

97ms

DNSSEC

181ms

SRV

137ms

Total

1875ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 20:56:23	546ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 13:15:46	2338ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-06 11:15:00	2806ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 09:45:27	546ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 20:35:56	838ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 02:56:25	1454ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 07:52:12	1721ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 03:21:47	1926ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 17:00:09 shown	1875ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-30 22:22:05	2174ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 06:33:08	10392ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-15 21:03:44	870ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 15:12:49	664ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 04:18:26	1340ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 21:15:33	432ms	2 NS 2 A 0 MX	🔓 Insecure