`mailin2.couldera.tech`

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	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`couldera.tech`

	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.couldera.tech` ⭐
	MX	`mailin2.couldera.tech`⁽¹⁰⁰⁾
	TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
	TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
	TXT	`google-site-verification=lKIiS_qS9DD2xX7FPcj9QUGvU7khlh4vSLthksESUgg`
	SOA	`ns1.websupport.sk`admin@websupport.sk serial=1742503097

MX for

couldera.tech

DNS History

3 records (2 active, 1 former)

●A2a00:4b40:aaaa:2101:45:13:137:82026-07-11 → 2026-07-19 · 3 obs

○ 2016-12-16 04:30:34
● 2026-07-11 06:11:30
● 2026-07-19 08:31:30

○A37.9.169.1112016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 04:30:34
○ 2026-07-11 06:11:30
○ 2026-07-19 08:31:30

●A45.13.137.92026-07-11 → 2026-07-19 · 3 obs

○ 2016-12-16 04:30:34
● 2026-07-11 06:11:30
● 2026-07-19 08:31:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
couldera.tech	ns3.websupport.sk, ns2.websupport.sk, ns1.websupport.sk	-

✅ Authoritative Response

Server:185.71.159.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for couldera.tech (unsigned zone)

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.9`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:8`

Analysis

Mail Server Role

mailin2.couldera.tech is a mail server for couldera.tech.

mailin1.couldera.tech is often seen acting as a mail server in combination with mailin2.couldera.tech.

IP Addresses

mailin2.couldera.tech resolves to the IP addresses 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:8

Among the host names that share IP numbers with mailin2.couldera.tech are mailin2.gepvrty.sk, mailin1.postav.sk, mailin2.gripmax.sk and two others.

mailin2.couldera.tech - robtex.com