`mail.robertkanter.com`

CNAME	`robertkanter.com`
DNSSEC	⚠️ Not signed
A	50.21.189.71^{🇺🇸 IONOS-AS50.21.176.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`robertkanter.com`
NS	`ns1086.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5256:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1086.ui-dns.com`
		A	217.160.82.86^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1086.ui-dns.com`
NS	`ns1054.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:54^{🇺🇸 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	`ns1054.ui-dns.de`
		A	217.160.80.54^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1054.ui-dns.de`
NS	`ns1055.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5337:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1055.ui-dns.org`
		A	217.160.83.55^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1055.ui-dns.org`
NS	`ns1117.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5175:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1117.ui-dns.biz`
		A	217.160.81.117^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1117.ui-dns.biz`
MX	`mail.robertkanter.com` ⭐
SOA	`ns1086.ui-dns.com`hostmaster@1und1.com 2017-06-01 #15

`robertkanter.com`

	DNSSEC	⚠️ Not signed
	A	50.21.189.71^{🇺🇸 IONOS-AS50.21.176.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
	NS	`ns1086.ui-dns.com` ⭐
	NS	`ns1054.ui-dns.de`
	NS	`ns1055.ui-dns.org`
	NS	`ns1117.ui-dns.biz`
	MX	`mail.robertkanter.com` ⭐
	SOA	`ns1086.ui-dns.com`hostmaster@1und1.com 2017-06-01 #15

MX for

robertkanter.com

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DNS History

1 record (1 active, 0 former)

●CNAMErobertkanter.com2026-04-15 → 2026-04-15 · 2 obs

● 2026-04-15 01:56:42
● 2026-04-15 05:20:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
robertkanter.com	ns1054.ui-dns.de, ns1055.ui-dns.org, ns1117.ui-dns.biz, ns1086.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.54

NS records: ns1054.ui-dns.de, ns1055.ui-dns.org, ns1117.ui-dns.biz, ns1086.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robertkanter.com (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`robertkanter.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1086.ui-dns.com, ns1086.ui-dns.com)

Analysis

Mail Server Role

mail.robertkanter.com functions as a mail server for robertkanter.com.

IP Addresses

mail.robertkanter.com resolves to one IP number: 50.21.189.71.

Other host names, for instance robertkanter.com, share IP numbers with mail.robertkanter.com.

Name Servers

mail.robertkanter.com is delegated to four name servers: ns1117.ui-dns.biz, ns1086.ui-dns.com, ns1054.ui-dns.de and ns1055.ui-dns.org.

mail.robertkanter.com at least partially shares name servers with other domains, for instance hofmann4.org, entornocompliance.com, pac-gase.de, l2o.fr and bildungundsport.com.

These name servers are commonly used with the following name servers: ns1117.ui-dns.com, ns1117.ui-dns.de, ns1117.ui-dns.org, ns1086.ui-dns.biz, ns1086.ui-dns.de, ns1086.ui-dns.org, ns1054.ui-dns.biz, ns1055.ui-dns.biz, ns1055.ui-dns.com and ns1055.ui-dns.de.

Host names with two IP numbers:

ns1117.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5175:100 and 217.160.81.117; ns1086.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5256:100 and 217.160.82.86; ns1054.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:54 and 217.160.80.54; ns1055.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5337:100 and 217.160.83.55.

Mail Servers

mail.robertkanter.com is served by a single mail server, mail.robertkanter.com.

mail.robertkanter.com shares the same mail server setup as other domains, for instance robertkanter.com.

mail.robertkanter.com - robtex.com