`dr-gerstenberg.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1169::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`wa9.rzone.de`
A	81.169.145.169^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`ferrylane.rzone.de` ⭐
		A	2a01:238:20a:930:6653::6^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.146.6^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`ferrylane.rzone.de`
NS	`shamlegger.rzone.de`
		A	2a01:238:20b:43:6653::524^{🇩🇪 STRATO2a01:238::/29 Strato Rechenzentrum}
		A	85.214.0.254^{🇩🇪 STRATO85.214.0.0/15 AG}
			PTR	`shamlegger.rzone.de`
MX	`mxpool.hostedoffice.ag` ⭐
		A	81.20.94.244^{🇩🇪 QUALITYHOSTING-AS81.20.88.0/21 QualityHosting AG - IX1}
			PTR	`web.cloudservice.ag`
TXT	`v=spf1 include:hostedoffice.ag ?all`
TXT	`v=spf1 mx -all`
SOA	`ferrylane.rzone.de`hostmaster@strato-rz.de 2023-10-16 #0

`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=1774495052

Previously MX for

dr-gerstenberg.com

Same first word

dr-gerstenberg.com

dr-gerstenberg.de

DNS History

11 records (5 active, 6 former)

●NSferrylane.rzone.de2026-02-28 → 2026-03-26 · 3 obs

○ 2018-10-15 10:48:38
● 2026-02-28 08:05:22
● 2026-03-26 03:36:42

○NSnsa8.schlundtech.de2015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

○NSnsb8.schlundtech.de2015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

○NSnsc8.schlundtech.de2015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

○NSnsd8.schlundtech.de2015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

●NSshamlegger.rzone.de2026-02-28 → 2026-03-26 · 3 obs

○ 2018-10-15 10:48:38
● 2026-02-28 08:05:22
● 2026-03-26 03:36:42

○MXdr-gerstenberg.com2015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

●MXmxpool.hostedoffice.ag2026-02-28 → 2026-03-26 · 3 obs

○ 2018-10-15 10:48:38
● 2026-02-28 08:05:22
● 2026-03-26 03:36:42

●A2a01:238:20a:202:1169::2026-02-28 → 2026-03-26 · 3 obs

○ 2018-10-15 10:48:38
● 2026-02-28 08:05:22
● 2026-03-26 03:36:42

○A46.38.241.1072015-06-01 → 2018-10-15 · 4 obs

● 2015-06-01 16:49:32
● 2018-10-15 10:48:38
○ 2026-02-28 08:05:22
○ 2026-03-26 03:36:42

●A81.169.145.1692026-02-28 → 2026-03-26 · 3 obs

○ 2018-10-15 10:48:38
● 2026-02-28 08:05:22
● 2026-03-26 03:36:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
dr-gerstenberg.com	ferrylane.rzone.de, shamlegger.rzone.de	-

✅ Authoritative Response

Server:81.169.146.6

NS records: ferrylane.rzone.de, shamlegger.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dr-gerstenberg.com (unsigned zone)

⏱️ Timing

Total: 1237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.169`
AAAA	1	`2a01:238:20a:202:1169::`
NS	2	`ferrylane.rzone.de, shamlegger.rzone.de`
MX	1	`mxpool.hostedoffice.ag (pri: 10)`
TXT	2	`v=spf1 mx -all, v=spf1 include:hostedoffice.ag ?all`
SOA	1	`ferrylane.rzone.de hostmaster.strato-rz.`

Analysis

IP Addresses

dr-gerstenberg.com resolves to two IP numbers: 2a01:238:20a:202:1169:: and 81.169.145.169.

other host names including gatcs.com, best-of-pages.de, imas-gmbh.de, ellipse.de and cashwap.com share IP numbers with dr-gerstenberg.com.

Name Servers

dr-gerstenberg.com is delegated to two name servers ferrylane.rzone.de and shamlegger.rzone.de.

dr-gerstenberg.com shares the same name server setup as other domains, for instance becker-ing.de, eikko.com, cauliflower.eu, pgmagazine.co.uk and maservicio.com.

dr-gerstenberg.com at least partially shares name servers with other domains, for instance wizdom.de, cd-team.de, impulsemenschundraum.de, guse.eu and bodytecclub.eu.

Host names with two IP numbers:

The host name ferrylane.rzone.de points to 2a01:238:20a:930:6653::6 and 81.169.146.6; the host name shamlegger.rzone.de points to 2a01:238:20b:43:6653::524 and 85.214.0.254.

Mail Servers

dr-gerstenberg.com is handled by a single mail server, mxpool.hostedoffice.ag.

dr-gerstenberg.com shares the same mail server setup as other domains, for instance zeichen-werk.de, pirkl.org, meinezweitehand.de, crsu.de and autopartner-plauen.de.

dr-gerstenberg.com shares at least partially some mail servers with other domains, including sandfires.com, peterhahn.info and it-service-nf.de.

mxpool.hostedoffice.ag resolves to IP 81.20.94.244.

dr-gerstenberg.com - robtex.com