`server2.icynet.de`

	DNSSEC	⚠️ Not signed
	A	2a03:4000:40:8b:28f0:2aff:fe2b:78aa^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	5.252.227.209^{🇩🇪 netcup-AS5.252.224.0/22}

`icynet.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:13a:81b::3^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	195.201.111.221^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`server1.icynet.de` ⭐
	MX	`server2.icynet.de`⁽¹⁰⁰⁾
	TXT	`v=spf1 a mx a:gpanel.icynet.de a:server1.icynet.de a:server2.icynet.de a:serv...`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-05-03 #64

PTR for

209.227.252.5.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.8.0.0.0.4.0.0.0.0.0.4.3.0.a.2.ip6.arpa

131.230.38.46.in-addr.arpa

MX for

icymail.org

icynet.de

Same first word

Similar names

2server.ru

2server.org

2server.com

DNS History

3 records (2 active, 1 former)

○A2a03:4000:40:8b::12026-04-10 → 2026-05-11 · 2 obs

○ 2026-04-10 23:26:52
○ 2026-05-11 10:40:06

●A2a03:4000:40:8b:28f0:2aff:fe2b:78aa2026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 23:26:52
● 2026-05-11 10:40:06

●A5.252.227.2092026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 23:26:52
● 2026-05-11 10:40:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
icynet.de	third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.252.227.209`
AAAA	1	`2a03:4000:40:8b:28f0:2aff:fe2b:78aa`

Analysis

Mail Server Role

server2.icynet.de handles mail for icymail.org and icynet.de.

server1.icynet.de is a common mail server alongside server2.icynet.de.

IP Addresses

server2.icynet.de resolves to two IPs: 2a03:4000:40:8b:28f0:2aff:fe2b:78aa and 5.252.227.209.

server2.icynet.de - robtex.com