buchandbook.dk

📜 Historical scan 2026-06-16 17:42:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buchandbook.dk is a .dk domain served by 5 nameservers (ns1.linode.com, ns2.linode.com, ns3.linode.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.138.77.63 is hosted by Oracle Corporation (AS31898) in Canada. Mail is handled by mail1.buchandbook.dk, mail2.buchandbook.dk. The zone is not DNSSEC-signed, has no 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#

5 records 374ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.linode.com	—	—	—
ns2.linode.com	—	—	—
ns3.linode.com	—	—	—
ns4.linode.com	—	—	—
ns5.linode.com	—	—	—

🌍 A Records#

1 records 337ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.138.77.63	—	—	AS31898	Oracle Corporation	168.138.0.0/16	🇨🇦 Canada	Montreal

📧 MX Records#

2 records 360ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail1.buchandbook.dk	168.138.77.63	—	AS31898 Oracle Corporation
20	—	mail2.buchandbook.dk	168.138.77.63	—	AS31898 Oracle Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-10 01:11:38

www	168.138.77.63 (AS31898) (address records, no CNAME)
www vs bare domain	Same network buchandbook.dk: 168.138.77.63 (AS31898) www.buchandbook.dk: 168.138.77.63 (AS31898)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

814ms

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

🏷️ SOA#

330ms

Field	Value
Serial	2021000001
Primary NS (MNAME)	ns1.linode.com
Responsible (RNAME)	admin@buchandbook.dk
Refresh	14400s
Retry	14400s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

374ms

337ms

360ms

AAAA

347ms

TXT

1344ms

CAA

341ms

HTTPS

341ms

TLSA

1027ms

SOA

330ms

MTA-STS

617ms

DNSSEC

814ms

SRV

0ms

Total

4942ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:58:19	1331ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-25 20:39:36	9870ms	5 NS 1 A 2 MX	🔓 Insecure
2026-08-28 16:23:35	4869ms	5 NS 1 A 2 MX	🔓 Insecure
2026-07-01 23:49:24	1454ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-16 17:42:56 shown	4942ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-16 17:42:38	1862ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-16 17:30:59	1090ms	5 NS 1 A 2 MX	🔓 Insecure