bookadvise.dk DNS records

🖥️ Nameservers3 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	217.195.185.243 2a02:188:6004:14::10	ns4.hostonline.dk ns4.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns5.hostonline.dk	217.195.185.244 2a02:188:6004:14::11	ns5.hostonline.dk ns5.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns6.hostonline.dk	85.191.126.85	ns6.hostonline.dk	AS204274 AURA Fiber A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.216	60s	webhotel08.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	he.hostonline.dk	217.195.185.200 2a02:188:164::100	he.hostonline.dk he.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
30	43200s	mx-backup.hostonline.dk	217.195.185.201 2a02:188:6004:15::12	mx-backup.hostonline.dk spamfront2.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.hostonline.dk.bookadvise.dk

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 90ms

TXT Record
v=spf1 a mx include:_spf.hostonline.dk -all

✉️ SPF

Policy	Record (bookadvise.dk)
-all (hard fail)	v=spf1 a mx include:_spf.hostonline.dk -all

📨 DMARC

Policy	Record (_dmarc.bookadvise.dk)
p=reject	v=DMARC1; p=reject; aspf=r;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083102
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	3600s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

22ms

A

41ms

MX

42ms

AAAA

26ms

TXT

90ms

CAA

41ms

HTTPS

36ms

TLSA

34ms

SOA

0ms

MTA-STS

31ms

DNSSEC

91ms

SRV

43ms

Total

448ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:24:21	448ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 04:02:26	843ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 00:54:06	581ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 14:50:53	9277ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-17 07:09:20	9891ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-11 18:31:09	1649ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-08 11:18:10	2718ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-02 07:55:05	18396ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-27 18:08:11	831ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-22 09:07:58	2707ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 21:38:45	801ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-12 21:28:45	966ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-08 16:03:54	9045ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-03 11:27:48	506ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 17:19:07	953ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 11:20:45	2548ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 08:55:16	5014ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 15:55:52	516ms	3 NS 1 A 2 MX	🔒 Secure	View