book-a-book.dk DNS records

🖥️ Nameservers5 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.216	3600s	216.giga-ptr.232.116.217.in-addr.arpa web16.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	book-a-book.dk → 217.116.232.216
🔶 Autoconfig	book-a-book.dk → 217.116.232.216

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 243ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.book-a-book.dk	book-a-book.dk

🔗 TLSA / DANE

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

🔐 DNSSEC2075ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@book-a-book.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

69ms

MX

62ms

AAAA

182ms

TXT

351ms

CAA

186ms

HTTPS

76ms

TLSA

68ms

SOA

0ms

MTA-STS

714ms

DNSSEC

2075ms

SRV

243ms

Total

2511ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:45:49	2511ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 02:27:13	848ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-26 01:47:01	731ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 07:27:38	1646ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 23:09:27	3907ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 15:09:52	2161ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-31 15:53:04	1652ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 11:04:40	2713ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 17:51:01	1222ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-10 21:04:13	2775ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 13:04:32	815ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 17:22:28	847ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-19 10:23:57	2554ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 15:55:27	708ms	5 NS 1 A 3 MX	🔓 Insecure	View