book.dk

📜 Historical scan 2026-10-01 07:19:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

book.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 161.35.157.106 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

3 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
161.35.157.106	3600s	—	AS14061	DigitalOcean, LLC	161.35.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

5 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	14400s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	14400s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	14400s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	14400s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a	lr-in-f26.1e100.net le-in-x1a.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	161.35.157.106
🔶 Autoconfig	161.35.157.106

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 383ms

TXT Record
google-site-verification=Mnya5VvbxpnYztwhYkziNktFfDGGi9zULfKrmbEdvkI
v=spf1 include:_spf.google.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (book.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.book.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:info@book.dk

📬 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 2026-10-09 12:50:55

www	161.35.157.106 (AS14061) (address records, no CNAME)
www vs bare domain	Same network book.dk: 161.35.157.106 (AS14061) www.book.dk: 161.35.157.106 (AS14061)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u29970610.wl111.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u29970610.wl111.sendgrid.net	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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.book.dk	VEc3wTk8o-pwunr7FAahrKr0DECrUB8_qKNfr0_f74A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

57ms

Field	Value
Serial	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@book.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

53ms

59ms

AAAA

48ms

TXT

383ms

CAA

53ms

HTTPS

70ms

TLSA

127ms

SOA

57ms

MTA-STS

98ms

DNSSEC

79ms

SRV

229ms

Total

965ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:50:55	820ms	3 NS 1 A 5 MX	🔓 Insecure
2026-10-01 07:19:56 shown	965ms	3 NS 1 A 5 MX	🔓 Insecure
2026-08-27 19:21:47	1123ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-30 15:17:46	999ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-27 11:49:26	1039ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-26 20:40:32	2376ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-23 23:59:37	3615ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-23 20:54:37	1064ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 19:14:58	3114ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-21 15:58:04	1041ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 13:05:11	3112ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-16 15:55:28	713ms	3 NS 1 A 5 MX	🔓 Insecure