`mail.o3t.de`

CNAME	`o3t.de`
DNSSEC	⚠️ Not signed
A	178.202.121.119^{🇩🇪 VODANET178.202.0.0/15 Vodafone West}
		PTR	`ip-178-202-121-119.um47.pools.vodafone-ip.de`
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`call.uidd.de` ⭐
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-06-20 #19

`o3t.de`

	DNSSEC	⚠️ Not signed
	A	178.202.121.119^{🇩🇪 VODANET178.202.0.0/15 Vodafone West}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`call.uidd.de` ⭐
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-06-20 #19

Previously MX for

o3t.de

Same first word

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DNS History

2 records (1 active, 1 former)

○A83.220.144.2092015-05-17 → 2016-10-17 · 3 obs

● 2015-05-17 03:06:08
● 2016-10-17 01:17:38
○ 2026-07-13 15:42:08

●CNAMEo3t.de2026-07-13 → 2026-07-13 · 1 obs

● 2026-07-13 15:42:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
o3t.de	third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o3t.de (unsigned zone)

⏱️ Timing

Total: 1674ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`o3t.de`

Analysis

IP Addresses

mail.o3t.de points to a single IP number: 178.202.121.119.

Further host names like uidd.de and o3t.de overlap in IP numbers with mail.o3t.de.

Name Servers

mail.o3t.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

There is at least partial name server overlap between mail.o3t.de and other domains — tillniese.com, hdtec.de, specc.de and two more among them.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

mail.o3t.de has one mail server: call.uidd.de.

mail.o3t.de shares its mail server setup with other domains, such as o3t.de.

mail.o3t.de - robtex.com

mail.o3t.de

o3t.de