`mailin2.dotcube.sk`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:9^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`m1-u7-mx.websupport.sk`
A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`dotcube.sk`

	DNSSEC	🔒 Signed (DS record present)
	A	2a00:4b40:aaaa:2008::7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
	A	37.9.175.189^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
	NS	`ns1.websupport.sk` ⭐
	NS	`ns2.websupport.sk`
	NS	`ns3.websupport.sk`
	MX	`mailin1.dotcube.sk` ⭐
	MX	`mailin2.dotcube.sk`⁽¹⁰⁰⁾
	TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
	TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
	SOA	`ns1.websupport.sk`admin@websupport.sk serial=1782111807

MX for

dotcube.sk

DNS History

3 records (2 active, 1 former)

●A2a00:4b40:aaaa:2101:45:13:137:92026-03-11 → 2026-07-14 · 3 obs

○ 2016-12-05 21:02:52
● 2026-03-11 12:47:32
● 2026-07-14 16:28:30

○A37.9.169.1102015-07-05 → 2016-12-05 · 4 obs

● 2015-07-05 22:40:58
● 2016-12-05 21:02:52
○ 2026-03-11 12:47:32
○ 2026-07-14 16:28:30

●A45.13.137.92026-03-11 → 2026-07-14 · 3 obs

○ 2016-12-05 21:02:52
● 2026-03-11 12:47:32
● 2026-07-14 16:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	8 records
dotcube.sk	ns3.websupport.sk, ns2.websupport.sk, ns1.websupport.sk	6 records

✅ Authoritative Response

Server:185.71.159.12

NS records: ns3.websupport.sk, ns2.websupport.sk, ns1.websupport.sk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.9`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:9`

📌 Glue Records Collected

Total: 14

In-bailiwick: 8 (e.tld.sk, f.tld.sk, g.tld.sk...)

Out-of-bailiwick: 6 (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk...)

Analysis

Mail Server Role

dotcube.sk uses mailin2.dotcube.sk as a mail server.

mailin1.dotcube.sk routinely functions as a mail server together with mailin2.dotcube.sk.

IP Addresses

mailin2.dotcube.sk points to the IP addresses 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:9

mailin1.skybean.eu, mailin2.noze-army.sk, mailin2.agroflora.sk and two other host names share IP numbers with mailin2.dotcube.sk.

mailin2.dotcube.sk - robtex.com