bookhus.dk

📜 Historical scan 2026-10-03 10:58:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bookhus.dk is a .dk domain served by 2 nameservers (emely.ns.cloudflare.com, todd.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.bookhus.dk. 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#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
emely.ns.cloudflare.com	108.162.194.209 162.159.38.209 172.64.34.209 2606:4700:50::a29f:26d1 2803:f800:50::6ca2:c2d1 2a06:98c1:50::ac40:22d1	emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.bookhus.dk	104.20.42.188 172.66.173.244 2606:4700:10::6814:2abc 2606:4700:10::ac42:adf4	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.66.173.244
🔶 Autoconfig	104.20.42.188

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 170ms

TXT Record
v=spf1 a mx ~all

✉️ SPF#

Policy	Record (bookhus.dk)
~all (soft fail)	v=spf1 a mx ~all

📨 DMARC#

Policy	Record (_dmarc.bookhus.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:info@bookhus.dk; ruf=mailto:info@bookhus.com; adkim=r; 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 13:37:03

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u26034295.wl046.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u26034295.wl046.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

39ms

Field	Value
Serial	2415847650
Primary NS (MNAME)	emely.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

34ms

39ms

AAAA

34ms

TXT

170ms

CAA

29ms

HTTPS

45ms

TLSA

64ms

SOA

39ms

MTA-STS

50ms

DNSSEC

68ms

SRV

65ms

Total

426ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 13:37:03	1658ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-03 10:58:34 shown	426ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-25 23:30:54	1160ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-24 23:23:18	1085ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-23 22:25:22	3591ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-16 07:47:06	2008ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-09 05:59:31	1258ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-01 20:47:48	1286ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 23:35:35	882ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-24 12:41:28	1317ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-20 08:58:55	1482ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-11 19:57:20	3031ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-27 23:04:21	16981ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-26 22:45:38	1103ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-24 22:01:20	9981ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-03 21:02:26	9972ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-02 15:27:16	1028ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 20:02:48	749ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-20 16:50:17	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 15:55:14	479ms	2 NS 0 A 1 MX	🔓 Insecure