robertdegroot.com - dns.ninja

`robertdegroot.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1084::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.84^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks09.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:9^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks09.rzone.de`
		A	217.160.80.136^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks09.rzone.de`
NS	`shades20.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:147^{🇺🇸 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	`shades20.rzone.de`
		A	185.132.34.147^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades20.rzone.de`
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`
SOA	`docks09.rzone.de`hostmaster@strato-rz.de 2020-06-02 #23

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782715955

Subdomains

mailspool.robertdegroot.com

maildefer.robertdegroot.com

Same first word

robertdegroot.com

DNS History

7 records (5 active, 2 former)

●NSdocks09.rzone.de2015-06-17 → 2026-06-29 · 2 obs

● 2015-06-17 06:50:32
● 2026-06-29 07:00:28

●NSshades20.rzone.de2015-06-17 → 2026-06-29 · 2 obs

● 2015-06-17 06:50:32
● 2026-06-29 07:00:28

●MXsmtp.rzone.de2015-06-17 → 2026-06-29 · 2 obs

● 2015-06-17 06:50:32
● 2026-06-29 07:00:28

●A2a01:238:20a:202:1084::2026-02-19 → 2026-06-29 · 3 obs

○ 2017-10-27 21:41:36
● 2026-02-19 06:25:40
● 2026-06-29 07:00:28

○A2a01:238:20a:202:1162::2015-06-17 → 2017-10-27 · 4 obs

● 2015-06-17 06:50:32
● 2017-10-27 21:41:36
○ 2026-02-19 06:25:40
○ 2026-06-29 07:00:28

○A81.169.145.1622015-06-17 → 2017-10-27 · 4 obs

● 2015-06-17 06:50:32
● 2017-10-27 21:41:36
○ 2026-02-19 06:25:40
○ 2026-06-29 07:00:28

●A81.169.145.842026-02-19 → 2026-06-29 · 3 obs

○ 2017-10-27 21:41:36
● 2026-02-19 06:25:40
● 2026-06-29 07:00:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
robertdegroot.com	docks09.rzone.de, shades20.rzone.de	-

✅ Authoritative Response

Server:185.132.34.147

NS records: docks09.rzone.de, shades20.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robertdegroot.com (unsigned zone)

⏱️ Timing

Total: 739ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.84`
AAAA	1	`2a01:238:20a:202:1084::`
NS	2	`shades20.rzone.de, docks09.rzone.de`
MX	1	`smtp.rzone.de (pri: 5)`
SOA	1	`docks09.rzone.de hostmaster.strato-rz.de`

Analysis

Hierarchy

robertdegroot.com is the parent domain of mailspool.robertdegroot.com and maildefer.robertdegroot.com.

IP Addresses

robertdegroot.com has two IP addresses: 81.169.145.84 and 2a01:238:20a:202:1084::

Additional host names — henricus.de, lst-gmbh.de, shopnr1.de and two others — share IP numbers with robertdegroot.com.

Name Servers

robertdegroot.com uses two name servers for its delegation: docks09.rzone.de and shades20.rzone.de.

robertdegroot.com shares its name server setup with other domains, including rynja.net, senioren-flirts.de, kunoweiherhof.de and two others.

At least some of robertdegroot.com's name servers are shared with other domains, for example wir-sind-voll.de, gottschall.info, lass-reden.eu and two more.

These name servers tend to co-occur with shades07.rzone.de, docks08.rzone.de, shades18.rzone.de and 7 other name servers in the same DNS delegations.

The two host names docks09.rzone.de and shades20.rzone.de each have a pair of IP addresses: docks09.rzone.de has 217.160.80.136 and 2001:8d8:fe:53:5747:2a74:d:9, and shades20.rzone.de has 185.132.34.147 and 2607:f1c0:fe:53:185:132:34:147.

Mail Servers

robertdegroot.com has one mail server: smtp.rzone.de.

robertdegroot.com shares the same mail server setup as other domains, including romon.net, verhuizennaarzweden.nl, paerssjtal.nl and two others.

smtp.rzone.de directs to two IP numbers, 81.169.145.98 and 2a01:238:20a:202:50f0::2097.