book.dk DNS records

🖥️ Nameservers3 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 Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
161.35.157.106	3192s	—	AS14061	DigitalOcean, LLC	161.35.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records5 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	295s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	295s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	295s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	295s	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	295s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c20::1a	lb-in-f27.1e100.net yulppbn-in-f26.1e100.net	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 Records2 records 387ms

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

🔏 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)

🔐 DNSSEC102ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

67ms

MX

63ms

AAAA

68ms

TXT

387ms

CAA

67ms

HTTPS

79ms

TLSA

131ms

SOA

0ms

MTA-STS

115ms

DNSSEC

102ms

SRV

125ms

Total

1123ms

🕐 Scan History

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