`mailin1.dotcube.sk`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`m1-u6-mx.websupport.sk`
A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`dotcube.sk`

	DNSSEC	⚠️ Not signed
	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:2101:45:13:137:82026-03-11 → 2026-07-12 · 3 obs

○ 2016-12-05 21:02:52
● 2026-03-11 12:47:32
● 2026-07-12 03:31:16

○A37.9.169.1132015-07-05 → 2016-12-05 · 4 obs

● 2015-07-05 21:04:28
● 2016-12-05 21:02:52
○ 2026-03-11 12:47:32
○ 2026-07-12 03:31:16

●A45.13.137.82026-03-11 → 2026-07-12 · 3 obs

○ 2016-12-05 21:02:52
● 2026-03-11 12:47:32
● 2026-07-12 03:31:16

🔍 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:45.10.97.11

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: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.8`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:8`

📌 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

Mail for dotcube.sk is routed through the mail server mailin1.dotcube.sk.

mailin2.dotcube.sk is often seen acting as a mail server in combination with mailin1.dotcube.sk.

IP Addresses

mailin1.dotcube.sk directs to two IP numbers, 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:8

mailin2.grill-kura.sk, mailin2.realityindividual.sk, mailin2.ingenium.sk plus two other host names have IP numbers in common with mailin1.dotcube.sk.

mailin1.dotcube.sk - robtex.com