gentlemanstore.dk DNS records

🖥️ Nameservers2 records 100ms

Nameserver	IP addresses	PTR	ASN / ISP
ns2.blueboard.cz	195.201.57.122 2a01:4f8:13b:8d4::2	ns2.blueboard.cz —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
shinzon.blueboard.cz	178.251.187.7 2a00:1ed0:45::b	shinzon.blueboard.cz shinzon.blueboard.cz	AS43541 VSHosting s.r.o. AS43541 VSHosting s.r.o.

🌍 A Records1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.11.249.139	3600s	krios.blueboard.cz	AS15685	CASABLANCA INT a.s.	217.11.248.0/23	🇨🇿 Czechia	Prague

📧 MX Records1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.blueboard.cz	2001:1528:240::ca 81.0.209.130	mx.blueboard.cz mx.blueboard.cz	AS15685 CASABLANCA INT a.s. AS15685 CASABLANCA INT a.s.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	217.11.249.139
🔶 Autoconfig	217.11.249.139

🔷 AAAA Records (IPv6)1 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1528:240::15	3600s	krios.blueboard.cz	AS15685	CASABLANCA INT a.s.	2001:1528:0:0:0:0:0:0/32	🇨🇿 Czechia	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 410ms

TXT Record
v=spf1 a mx include:spf.blueboard.cz -all

✉️ SPF

Policy	Record (gentlemanstore.dk)
-all (hard fail)	v=spf1 a mx include:spf.blueboard.cz -all

📨 DMARC

Policy	Record (_dmarc.gentlemanstore.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC228ms

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

🏷️ SOA0ms

Field	Value
Serial	2023083287
Primary NS (MNAME)	shinzon.blueboard.cz
Responsible (RNAME)	hostmaster@blueboard.cz
Refresh	10800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

100ms

A

77ms

MX

82ms

AAAA

77ms

TXT

410ms

CAA

77ms

HTTPS

72ms

TLSA

1327ms

SOA

0ms

MTA-STS

131ms

DNSSEC

228ms

SRV

176ms

Total

2562ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:38:13	2562ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 10:20:20	2764ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 06:58:42	3817ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 07:55:53	10718ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 07:40:09	9912ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 11:07:03	1515ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 11:35:44	1518ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 08:21:47	18136ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 07:55:32	11603ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 07:51:24	11462ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 12:51:31	2070ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-08 14:13:38	7984ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 04:35:46	2675ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 04:35:40	2873ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 10:30:02	6161ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 12:29:26	5216ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 06:39:53	996ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 05:39:51	4863ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 05:55:39	4423ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:27:11	1086ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:25:14	1732ms	2 NS 1 A 1 MX	🔓 Insecure	View