ubitzu.dk DNS records

🖥️ Nameservers3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.websupport.cz	2a10:bbc0::11 45.10.97.11	ns1.websupport.eu ns1.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns2.websupport.cz	185.71.159.12 2a02:250:3::12	ns2.websupport.eu ns2.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.
ns3.websupport.eu	2a10:bbc0::13 45.10.97.13	ns3.websupport.eu ns3.websupport.eu	AS25234 ACTIVE 24, s.r.o. AS25234 ACTIVE 24, s.r.o.

🌍 A Records1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records2 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx10.active24.cz	2a00:4b40:aaaa:2101:45:13:137:85 45.13.137.85	m1-u6-mx.active24.cz m1-u6-mx.active24.cz	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.
100	600s	mx20.active24.cz	2a00:4b40:aaaa:2101:45:13:137:86 45.13.137.86	m1-u7-mx.active24.cz m1-u7-mx.active24.cz	AS51013 WebSupport s.r.o. AS51013 WebSupport s.r.o.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	web.prod.bts.websupport.sk → 37.9.169.171
🔶 Autoconfig	web.prod.bts.websupport.sk → 37.9.169.172

🔷 AAAA Records (IPv6)1 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 153ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	web.prod.bts.websupport.sk

📝 TXT Records1 records 249ms

TXT Record
google-site-verification=bAKrxtaQ5P7EVSt25cwqLt1Oecs2zEEParzvRrCY3lM

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC141ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	1782797474
Primary NS (MNAME)	ns1.websupport.cz
Responsible (RNAME)	admin@websupport.cz
Refresh	7200s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	2560s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

61ms

MX

81ms

AAAA

55ms

TXT

249ms

CAA

51ms

HTTPS

60ms

TLSA

82ms

SOA

0ms

MTA-STS

82ms

DNSSEC

141ms

SRV

153ms

Total

995ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:09:26	995ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-24 03:28:49	2017ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 23:16:00	9358ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-15 13:08:24	1272ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-28 02:42:47	11117ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-26 02:27:17	9297ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-19 14:29:51	9209ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 05:06:09	2975ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 17:02:15	4962ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 03:18:15	1236ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 12:31:35	2826ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 07:33:59	717ms	3 NS 1 A 2 MX	🔒 Secure	View