bookio.dk

📜 Historical scan 2026-06-16 15:55:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bookio.dk is a .dk domain served by 2 nameservers (emma.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 13 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.157 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by webhotel26.webhosting.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 16ms

Nameserver	IP addresses	PTR	ASN / ISP
emma.ns.cloudflare.com	—	—	—
matt.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.157	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.166	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	webhotel26.webhosting.dk	157.250.160.46	webhotel26.webhosting.dk	AS3342 Cibicom A/S

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:aba6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:379d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.157,172.67.171.166 ech=AEX+DQBBQwAgACB/kjJxhdKdMifzADCBWwX4suHL5sc8EO3CxwUV7BdUPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:aba6,2606:4700:3033::6815:379d

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 16:20:57

www	104.21.55.157 172.67.171.166 2606:4700:3031::ac43:aba6 2606:4700:3037::6815:379d (AS13335) (address records, no CNAME)
www vs bare domain	Same network bookio.dk: 104.21.55.157 172.67.171.166 2606:4700:3031::ac43:aba6 2606:4700:3037::6815:379d (AS13335) www.bookio.dk: 104.21.55.157 172.67.171.166 2606:4700:3031::ac43:aba6 2606:4700:3037::6815:379d (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

2 records 82ms

Service / Owner	Type	Cert association
SMTP _25._tcp.webhotel26.webhosting.dk	DANE-EE · SPKI · SHA-256	FA4EFC305AA17A4FEEE8B29B2DAA8847…
SMTP _25._tcp.webhotel26.webhosting.dk	DANE-TA · SPKI · SHA-256	FA4EFC305AA17A4FEEE8B29B2DAA8847…

🔐 DNSSEC#

115ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2406567432
Primary NS (MNAME)	emma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 14:43:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-13
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

16ms

38ms

31ms

AAAA

41ms

TXT

104ms

CAA

35ms

HTTPS

38ms

TLSA

82ms

SOA

29ms

MTA-STS

65ms

DNSSEC

115ms

SRV

0ms

Total

519ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 14:22:27	487ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 14:20:36	837ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 13:14:38	1140ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 00:38:34	628ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 14:30:57	702ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 21:58:49	1091ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 01:41:46	1284ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 11:31:08	566ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 15:55:41 shown	519ms	2 NS 2 A 1 MX	🔓 Insecure