`mailin2.return.sk`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`m1-u5-mx.websupport.sk`
A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`return.sk`

	DNSSEC	⚠️ Not signed
	A	2a00:4b40:aaaa:2008::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
	A	37.9.175.188^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
	NS	`ns1.websupport.sk` ⭐
	NS	`ns2.websupport.sk`
	NS	`ns3.websupport.sk`
	MX	`mailin1.return.sk` ⭐
	MX	`mailin2.return.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=1734332363

MX for

return.sk

Similar names

in2mail.com

DNS History

2 records (2 active, 0 former)

●A2a00:4b40:aaaa:2101:45:13:137:72026-02-17 → 2026-07-22 · 2 obs

● 2026-02-17 13:07:40
● 2026-07-22 16:45:46

●A45.13.137.82026-02-17 → 2026-07-22 · 2 obs

● 2026-02-17 13:07:40
● 2026-07-22 16:45:46

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:45.10.97.13

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3677ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.8`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:7`

📌 Glue Records Collected

Total: 6

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

Analysis

Mail Server Role

Mail for return.sk is routed through the mail server mailin2.return.sk.

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

IP Addresses

mailin2.return.sk directs to two IP numbers, 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:7

mailin2.avatedizajn.sk, mailin1.funface.sk, mailin2.supik.cz plus two other host names have IP numbers in common with mailin2.return.sk.

mailin2.return.sk - robtex.com