`multiplex.sdinet.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:211:1c94::63^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`multiplex.sdinet.de`
A	136.243.3.21^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
MX	`nomail.sdinet.de` ⭐
		A	2a01:4f8:211:1c94::2074^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`nomail.sdinet.de`
		A	136.243.3.60^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`vpnhub1.hamburg.ccc.de`
TXT	`v=spf1 mx include:spf.sdinet.de -all`

`sdinet.de`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:211:1c94::63^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	136.243.3.21^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
	NS	`ns-b.sdinet.de` ⭐
	NS	`ns-a.sdinet.de`
	MX	`mail.sdinet.de` ⭐
	TXT	`v=spf1 mx include:spf.sdinet.de ip4:82.66.166.90/32 ip4:217.169.134.32/27 ip4...`
	TXT	`google-site-verification=56hqLTTsBQETrgbE87N59aN5QufLts8TQCwzJTcdGGM`
	SOA	`ns-b.sdinet.de`dns-admin@sdinet.de 2025-11-26 #1

rank #732171 globally
rank #28575 in the tld
📈 Tranco rank: #384,029

PTR for

3.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.9.c.1.1.1.2.0.8.f.4.0.1.0.a.2.ip6.arpa

Same first word

Similar names

xmultiple.net

xmultiple.com

xmultiple.co

DNS History

5 records (3 active, 2 former)

○MXmail.sdinet.de2015-07-13 → 2016-06-28 · 4 obs

● 2015-07-13 20:02:02
● 2016-06-28 12:55:44
○ 2026-02-17 11:40:38
○ 2026-04-03 05:42:48

●MXnomail.sdinet.de2015-07-13 → 2026-04-03 · 2 obs

● 2015-07-13 20:02:02
● 2026-04-03 05:42:48

●A136.243.3.212015-07-13 → 2026-04-03 · 2 obs

● 2015-07-13 20:02:02
● 2026-04-03 05:42:48

○A2001:6f8:94b::632015-07-13 → 2016-06-28 · 4 obs

● 2015-07-13 20:02:02
● 2016-06-28 12:55:44
○ 2026-02-17 11:40:38
○ 2026-04-03 05:42:48

●A2a01:4f8:211:1c94::632026-02-17 → 2026-04-03 · 3 obs

○ 2016-06-28 12:55:44
● 2026-02-17 11:40:38
● 2026-04-03 05:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
sdinet.de	ns-a.sdinet.de, ns-b.sdinet.de	4 records

✅ Authoritative Response

Server:82.66.166.90

NS records: ns-a.sdinet.de, ns-b.sdinet.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdinet.de (unsigned zone)

⏱️ Timing

Total: 623ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.3.21`
AAAA	1	`2a01:4f8:211:1c94::63`
MX	1	`nomail.sdinet.de (pri: 10)`
TXT	1	`v=spf1 mx include:spf.sdinet.de -all`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns-a.sdinet.de, ns-a.sdinet.de, ns-b.sdinet.de...)

Analysis

IP Addresses

multiplex.sdinet.de resolves to two IP numbers: 2a01:4f8:211:1c94::63 and 136.243.3.21.

Other host names, for instance blackhole.sdinet.de, t42.de, ns-b.sdinet.de, mail.sdinet.de and multiplex.ipv4.sdinet.de share IP numbers with multiplex.sdinet.de.

Mail Servers

multiplex.sdinet.de is handled by a single mail server, nomail.sdinet.de.

multiplex.sdinet.de has the same mail server setup as other domains, including hydra.sdinet.de, pizza.cut.sdinet.de, aurora.sdinet.de, blackhole.sdinet.de and ns-b.sdinet.de.

multiplex.sdinet.de shares some mail servers with other domains at least partially, for example cut.de, drno.de, mms-ag.de and mail.sdinet.de.

these mail servers are often used alongside nomail2.sdinet.de, nomail3.sdinet.de and mailtest.drno.de.

Host nomail.sdinet.de resolves to two IPs: 2a01:4f8:211:1c94::2074 and 136.243.3.60.

multiplex.sdinet.de - robtex.com