`postfach.systems`

DNSSEC	⚠️ Not signed
NS	`ns-mam.ui-dns.com` ⭐ ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:52d6:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:214^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-mam.ui-dns.com`
		A	185.132.34.214^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-mam.ui-dns.com`
		A	217.160.82.214^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.com`
NS	`ns-ca.ui-dns.biz` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:51d4:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:212^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ca.ui-dns.biz`
		A	185.132.33.212^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ca.ui-dns.biz`
		A	217.160.81.212^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.biz`
NS	`ns-ca.ui-dns.com` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:52d4:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:212^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ca.ui-dns.com`
		A	185.132.34.212^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ca.ui-dns.com`
		A	217.160.82.212^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.com`
NS	`ns-ca.ui-dns.de` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:50d4:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:212^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ca.ui-dns.de`
		A	185.132.32.212^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ca.ui-dns.de`
		A	217.160.80.212^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.de`
NS	`ns-ca.ui-dns.org` ⚠️ Not in zone NS records
		A	2001:8d8:fe:53:0:d9a0:53d4:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:212^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ca.ui-dns.org`
		A	185.132.35.212^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ca.ui-dns.org`
		A	217.160.83.212^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ca.ui-dns.org`
NS	`ns-mam.ui-dns.biz` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:51d6:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:214^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-mam.ui-dns.biz`
		A	185.132.33.214^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-mam.ui-dns.biz`
		A	217.160.81.214^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.biz`
NS	`ns-mam.ui-dns.de` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:50d6:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:214^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-mam.ui-dns.de`
		A	185.132.32.214^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-mam.ui-dns.de`
		A	217.160.80.214^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.de`
NS	`ns-mam.ui-dns.org` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:0:d9a0:53d6:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:214^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-mam.ui-dns.org`
		A	185.132.35.214^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-mam.ui-dns.org`
		A	217.160.83.214^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-mam.ui-dns.org`
MX	`no-mx.ui-dns.com` ⭐
TXT	`v=spf1 -all`
SOA	`ns-mam.ui-dns.com`dnsadmin@ionos.com 2021-02-23 #2

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1786615568

Same first word

postfach.cloud

postfach.biz

postfach.express

postfach.net

postfach.ch

postfach.us

postfach.org

postfach.xyz

postfach.it

postfach.co

postfach.de

postfach.in

postfach.ovh

postfach.center

postfach.eu

postfach.com

postfach.cc

postfach.bayern

postfach.at

postfach.lu

postfach.ru

postfach.digital

postfach.me

postfach.systems

Similar names

chapsoft.com

fachpost.com

chapsoft.net

chapsoft.info

chapsoft.co

fachpost.net

chapsoft.us

DNS History

9 records (9 active, 0 former)

●NSns-ca.ui-dns.biz2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-ca.ui-dns.com2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-ca.ui-dns.de2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-ca.ui-dns.org2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-mam.ui-dns.biz2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-mam.ui-dns.com2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-mam.ui-dns.de2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●NSns-mam.ui-dns.org2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

●MXno-mx.ui-dns.com2026-08-12 → 2026-08-13 · 2 obs

● 2026-08-12 03:27:04
● 2026-08-13 10:19:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n1.nic.systems, v2n0.nic.systems, v2n1.nic.systems, v0n0.nic.systems...	12 records
postfach.systems	ns-ca.ui-dns.biz, ns-ca.ui-dns.de, ns-ca.ui-dns.org, ns-ca.ui-dns.com	-

✅ Authoritative Response

Server:185.132.35.212

NS records: ns-ca.ui-dns.biz, ns-ca.ui-dns.de, ns-ca.ui-dns.org, ns-ca.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postfach.systems (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-mam.ui-dns.biz, ns-mam.ui-dns.de...`
MX	1	`no-mx.ui-dns.com (pri: 1)`
TXT	1	`v=spf1 -all`
SOA	1	`ns-mam.ui-dns.com dnsadmin.ionos.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.systems, v2n0.nic.systems, v0n3.nic.systems...)

Analysis

Name Servers

postfach.systems delegates authority to 8 name servers: ns-ca.ui-dns.biz, ns-mam.ui-dns.biz, ns-ca.ui-dns.com plus 5 other.

The name servers of postfach.systems overlap at least partially with those of other domains — among them grusskarten.today, email-made-for-germany.net, mail-made-in-germany.org and two more.

These name servers are frequently paired with the name servers ns-mam.ui-dns.com, ns-mam.ui-dns.de, ns-mam.ui-dns.org and two others.

Host names resolving to four IP addresses:

ns-ca.ui-dns.biz resolves to 185.132.33.212, 217.160.81.212, 2001:8d8:fe:53:0:d9a0:51d4:100 and 2607:f1c0:fe:53:185:132:33:212.

ns-mam.ui-dns.biz resolves to 185.132.33.214, 217.160.81.214, 2001:8d8:fe:53:0:d9a0:51d6:100 and 2607:f1c0:fe:53:185:132:33:214.

ns-ca.ui-dns.com resolves to 185.132.34.212, 217.160.82.212, 2001:8d8:fe:53:0:d9a0:52d4:100 and 2607:f1c0:fe:53:185:132:34:212.

ns-mam.ui-dns.com resolves to 185.132.34.214, 217.160.82.214, 2001:8d8:fe:53:0:d9a0:52d6:100 and 2607:f1c0:fe:53:185:132:34:214.

ns-ca.ui-dns.de resolves to 185.132.32.212, 217.160.80.212, 2001:8d8:fe:53:0:d9a0:50d4:100 and 2607:f1c0:fe:53:185:132:32:212.

ns-mam.ui-dns.de resolves to 185.132.32.214, 217.160.80.214, 2001:8d8:fe:53:0:d9a0:50d6:100 and 2607:f1c0:fe:53:185:132:32:214.

ns-ca.ui-dns.org resolves to 185.132.35.212, 217.160.83.212, 2001:8d8:fe:53:0:d9a0:53d4:100 and 2607:f1c0:fe:53:185:132:35:212.

ns-mam.ui-dns.org resolves to 185.132.35.214, 217.160.83.214, 2001:8d8:fe:53:0:d9a0:53d6:100 and 2607:f1c0:fe:53:185:132:35:214.

Mail Servers

postfach.systems has one mail server: no-mx.ui-dns.com.

postfach.systems shares the same mail server setup as other domains, including notebook.systems, topmail.center, voicebox.city and two others.

postfach.systems shares mail servers — at least in part — with other domains, including flatrate.computer, browsercheck.report, oneandone.us and two others.

postfach.systems - robtex.com