cjacobs.net - robtex.com

cjacobs.net

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1064::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw00.rzone.de
A81.169.145.64🇩🇪 STRATO81.169.144.0/22 AG
NSshades03.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:130🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades03.rzone.de
A185.132.34.130🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades03.rzone.de
NSdocks14.rzone.de
A2001:8d8:fe:53:5747:2a74:d:14🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks14.rzone.de
A217.160.80.141🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks14.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades03.rzone.dehostmaster@strato-rz.de 2020-06-07 #27

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775968827

Same first word

cjacobs.com
cjacobs.org
cjacobs.net

Similar names

jacobsc.net
jacobsc.dk
ccajobs.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdocks14.rzone.deshades03.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1064::81.169.145.642a01:238:20a:202:1168::81.169.145.168
●NSdocks14.rzone.de2015-07-07 → 2026-04-12 · 2 obs
● 2015-07-07 22:10:00
● 2026-04-12 05:06:32
●NSshades03.rzone.de2015-07-07 → 2026-04-12 · 2 obs
● 2015-07-07 22:10:00
● 2026-04-12 05:06:32
○MXsmtp.rzone.de2015-07-07 → 2017-03-17 · 4 obs
● 2015-07-07 22:10:00
● 2017-03-17 05:59:36
○ 2026-03-26 09:16:16
○ 2026-04-12 05:06:32
●MXsmtpin.rzone.de2026-03-26 → 2026-04-12 · 3 obs
○ 2017-03-17 05:59:36
● 2026-03-26 09:16:16
● 2026-04-12 05:06:32
●A2a01:238:20a:202:1064::2026-03-26 → 2026-04-12 · 3 obs
○ 2017-03-17 05:59:36
● 2026-03-26 09:16:16
● 2026-04-12 05:06:32
○A2a01:238:20a:202:1168::2015-07-07 → 2017-03-17 · 4 obs
● 2015-07-07 22:10:00
● 2017-03-17 05:59:36
○ 2026-03-26 09:16:16
○ 2026-04-12 05:06:32
○A81.169.145.1682015-07-07 → 2017-03-17 · 4 obs
● 2015-07-07 22:10:00
● 2017-03-17 05:59:36
○ 2026-03-26 09:16:16
○ 2026-04-12 05:06:32
●A81.169.145.642026-03-26 → 2026-04-12 · 3 obs
○ 2017-03-17 05:59:36
● 2026-03-26 09:16:16
● 2026-04-12 05:06:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
cjacobs.netshades03.rzone.de, docks14.rzone.de-

✅ Authoritative Response

Server:185.132.34.130

NS records: shades03.rzone.de, docks14.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cjacobs.net (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.64
AAAA12a01:238:20a:202:1064::
NS2docks14.rzone.de, shades03.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades03.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

cjacobs.net resolves to two IP numbers: 2a01:238:20a:202:1064:: and 81.169.145.64.

other host names including diekparc.de, rosenwelt.eu, mayajan.com, immo-dis.de and autohaus-niber.de share IP numbers with cjacobs.net.

Name Servers

cjacobs.net is delegated to two name servers docks14.rzone.de and shades03.rzone.de.

cjacobs.net shares the same name server setup as other domains, for instance sifuschiene.com, alles-drin-check.eu, roeming.net, natas-garden.com and serfice.de.

cjacobs.net at least partially shares name servers with other domains, for instance geestmoor.de, vfb-stuttgart.org, dinobag.de, spitz-online.eu and rific.de.

These name servers are commonly used with the following name servers: shades02.rzone.de, shades17.rzone.de, docks13.rzone.de, shades18.rzone.de, shades11.rzone.de, shades20.rzone.de, docks01.rzone.de, shades12.rzone.de, shades19.rzone.de and docks09.rzone.de.

Host names with two IP numbers:

The host name docks14.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:14 and 217.160.80.141; the host name shades03.rzone.de points to 2607:f1c0:fe:53:185:132:34:130 and 185.132.34.130.

Mail Servers

cjacobs.net is handled by a single mail server, smtpin.rzone.de.

cjacobs.net shares the same mail server setup as other domains, for instance mietpark-neu.de, twtm.de, ozdyk.eu, svenkoester.com and cfkforum.de.

smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.