bookos.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
4.209.107.22	3600s	—	AS8075	Microsoft Corporation	4.208.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.250.150.27 142.251.1.26 142.251.1.27 172.253.130.27 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 2a00:1450:4010:c1e::1b 2a00:1450:4010:c20::1a	la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f27.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.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 AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	ca-swsprb6agkyfy.ashyfield-7724838d.northeurope.azurecontainerapps.io → 4.209.107.22
🔶 Autoconfig	ca-swsprb6agkyfy.ashyfield-7724838d.northeurope.azurecontainerapps.io → 4.209.107.22

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 194ms

TXT Record
google-site-verification=mkgPdBc7pkPMWC1-wuZJERb5cWFLYLOR8P_ffPBEeJw
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.bookos.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:admin@bookos.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
CNAME	_acme-challenge.bookos.dk	bookos-dk.acme.bookos.eu

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026080801
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

31ms

MX

41ms

AAAA

39ms

TXT

194ms

CAA

49ms

HTTPS

61ms

TLSA

148ms

SOA

0ms

MTA-STS

103ms

DNSSEC

99ms

SRV

75ms

Total

989ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:09:25	989ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 14:15:43	1740ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 05:49:06	1539ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 04:33:00	1464ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 08:00:55	8939ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 12:33:25	9061ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 19:08:36	426ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-21 09:59:10	539ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 02:07:43	312ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 16:19:48	2520ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 16:07:29	1638ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 16:04:15	3664ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 16:01:01	384ms	0 NS 0 A 0 MX	❓ Unknown	View