4sysops.net - dns.ninja

4sysops.net

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1092::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.92🇩🇪 STRATO81.169.144.0/22 AG
NSshades09.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:136🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades09.rzone.de
A185.132.34.136🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades09.rzone.de
NSdocks19.rzone.de
A2001:8d8:fe:53:5747:2a74:d:19🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks19.rzone.de
A217.160.80.146🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks19.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
TXTv=spf1 a mx include:amazonses.com -all
SOAshades09.rzone.dehostmaster@strato-rz.de 2022-09-01 #18

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=1785062497

Same first word

4sysops.com
4sysops.net

DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSdocks19.rzone.deshades09.rzone.dens1.domaindiscount24.netns2.domaindiscount24.netns3.domaindiscount24.netMXsmtpin.rzone.dealt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comA2a01:238:20a:202:1092::81.169.145.92109.234.109.20109.234.109.21213.128.138.23651.254.41.57
●NSdocks19.rzone.de2026-02-23 → 2026-07-26 · 3 obs
○ 2017-04-01 16:54:56
● 2026-02-23 05:17:28
● 2026-07-26 11:07:00
○NSns1.domaindiscount24.net2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
○NSns2.domaindiscount24.net2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
○NSns3.domaindiscount24.net2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
●NSshades09.rzone.de2026-02-23 → 2026-07-26 · 3 obs
○ 2017-04-01 16:54:56
● 2026-02-23 05:17:28
● 2026-07-26 11:07:00
○MXalt1.aspmx.l.google.com2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
○MXalt2.aspmx.l.google.com2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
○MXaspmx.l.google.com2015-07-16 → 2017-04-01 · 4 obs
● 2015-07-16 10:55:40
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
●MXsmtpin.rzone.de2026-02-23 → 2026-07-26 · 3 obs
○ 2017-04-01 16:54:56
● 2026-02-23 05:17:28
● 2026-07-26 11:07:00
○A109.234.109.202015-07-16 → 2016-02-27 · 4 obs
● 2015-07-16 10:55:40
● 2016-02-27 03:44:02
○ 2016-06-21 18:33:44
○ 2026-07-26 11:07:00
○A109.234.109.212015-07-16 → 2016-02-27 · 4 obs
● 2015-07-16 10:55:40
● 2016-02-27 03:44:02
○ 2016-06-21 18:33:44
○ 2026-07-26 11:07:00
○A213.128.138.2362015-07-16 → 2016-02-27 · 4 obs
● 2015-07-16 10:55:40
● 2016-02-27 03:44:02
○ 2016-06-21 18:33:44
○ 2026-07-26 11:07:00
●A2a01:238:20a:202:1092::2026-02-23 → 2026-07-26 · 3 obs
○ 2017-04-01 16:54:56
● 2026-02-23 05:17:28
● 2026-07-26 11:07:00
○A51.254.41.572016-06-21 → 2017-04-01 · 5 obs
○ 2016-02-27 03:44:02
● 2016-06-21 18:33:44
● 2017-04-01 16:54:56
○ 2026-02-23 05:17:28
○ 2026-07-26 11:07:00
●A81.169.145.922026-02-23 → 2026-07-26 · 3 obs
○ 2017-04-01 16:54:56
● 2026-02-23 05:17:28
● 2026-07-26 11:07:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neti.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...-
4sysops.netshades09.rzone.de, docks19.rzone.de-

✅ Authoritative Response

Server:217.160.80.146

NS records: shades09.rzone.de, docks19.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4sysops.net (unsigned zone)

⏱️ Timing

Total: 3626ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.92
AAAA12a01:238:20a:202:1092::
NS2docks19.rzone.de, shades09.rzone.de
MX1smtpin.rzone.de (pri: 5)
TXT1v=spf1 a mx include:amazonses.com -all
SOA1shades09.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

4sysops.net has two IP addresses: 81.169.145.92 and 2a01:238:20a:202:1092::

Two other host names, along with tv-reisen.net, fleischmanngmbh.com and arcuszorg.nl, also share IP numbers with 4sysops.net.

Name Servers

4sysops.net is delegated to two name servers: docks19.rzone.de and shades09.rzone.de.

4sysops.net shares its NS records with other domains, for example rhen.de, vegaelite.es, kugelfrisch.de and two others.

There is at least partial name server overlap between 4sysops.net and other domains — cleanoto.com, 360gamestore.com, dh-m.de and two more among them.

These name servers regularly appear alongside docks07.rzone.de, docks14.rzone.de, shades19.rzone.de and 7 other name servers in NS record sets.

docks19.rzone.de and shades09.rzone.de each resolve to two IP addresses: docks19.rzone.de points to 217.160.80.146 and 2001:8d8:fe:53:5747:2a74:d:19, while shades09.rzone.de points to 185.132.34.136 and 2607:f1c0:fe:53:185:132:34:136.

Mail Servers

The sole mail server for 4sysops.net is smtpin.rzone.de.

Among the domains sharing a mail server setup with 4sysops.net are mail.dr-leise-kg.de, nimenhao.de, sauhag.de and two others.

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