`mailin1.ctrnact.com`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:109^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`mx20.websupport.sk`
A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`ctrnact.com`

	DNSSEC	⚠️ Not signed
	A	37.9.175.17^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
	NS	`ns1.websupport.sk` ⭐
	NS	`ns2.websupport.sk`
	NS	`ns3.websupport.sk`
	MX	`mailin1.ctrnact.com` ⭐
	MX	`mailin2.ctrnact.com`⁽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=1770333238

MX for

ctrnact.com

DNS History

3 records (2 active, 1 former)

●A2a00:4b40:aaaa:2101:45:13:137:1092026-03-08 → 2026-03-27 · 3 obs

○ 2019-05-02 13:31:32
● 2026-03-08 05:52:14
● 2026-03-27 01:10:00

○A37.9.169.1102019-05-02 → 2019-05-02 · 3 obs

● 2019-05-02 13:31:32
○ 2026-03-08 05:52:14
○ 2026-03-27 01:10:00

●A45.13.137.92026-03-08 → 2026-03-27 · 3 obs

○ 2019-05-02 13:31:32
● 2026-03-08 05:52:14
● 2026-03-27 01:10:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...	-
ctrnact.com	ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server:185.71.159.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctrnact.com (unsigned zone)

⏱️ Timing

Total: 2578ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.9`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:109`

Analysis

Mail Server Role

mailin1.ctrnact.com serves as the mail server for ctrnact.com.

mailin2.ctrnact.com serves as a mail server, commonly paired with mailin1.ctrnact.com.

IP Addresses

mailin1.ctrnact.com resolves to two IP numbers: 2a00:4b40:aaaa:2101:45:13:137:109 and 45.13.137.9.

Other host names, for instance mailin2.empex.sk, mailin1.vilaemma.sk, mailin1.termeszetvilaga.hu, mailin2.aquaform.cz and mailin2.denik.sk share IP numbers with mailin1.ctrnact.com.

mailin1.ctrnact.com - robtex.com