used-books.dk DNS records

🖥️ Nameservers5 records 37ms

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 182ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.202	3600s	202.giga-ptr.232.116.217.in-addr.arpa web2.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 27ms

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	used-books.dk → 217.116.232.202
🔶 Autoconfig	used-books.dk → 217.116.232.202

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 215ms

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.used-books.dk	used-books.dk

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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@used-books.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

37ms

A

182ms

MX

27ms

AAAA

36ms

TXT

129ms

CAA

27ms

HTTPS

187ms

TLSA

43ms

SOA

0ms

MTA-STS

43ms

DNSSEC

101ms

SRV

215ms

Total

629ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:58:11	629ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 02:06:57	2766ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 05:18:31	969ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 18:18:17	1727ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 06:36:28	15435ms	5 NS 0 A 3 MX	🔓 Insecure	View
2026-07-23 03:58:17	1344ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 22:10:01	2778ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-11 12:00:29	8943ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 03:37:47	1123ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 10:03:09	1096ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 03:31:07	1517ms	5 NS 1 A 3 MX	🔓 Insecure	View