sys-netz.de - robtex.com

sys-netz.de

DNSSEC⚠️ Not signed
A2a03:4000:30:1d3d::10:7564🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A188.68.47.36🇩🇪 netcup-AS188.68.47.0/24
NSroot-dns.netcup.net ⭐
A2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRroot-dns.netcup.net
A46.38.225.225🇩🇪 netcup-AS46.38.225.0/24
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsecond-dns.netcup.net
A37.221.199.199🇩🇪 netcup-AS37.221.196.0/22
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH
PTRthird-dns.netcup.net
A188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH
PTRthird-dns.netcup.net
MXmail.sys-netz.de ⭐
A188.68.47.38🇩🇪 netcup-AS188.68.47.0/24
PTRmx2f26.netcup.net
MXmx2f26.netcup.net(50)
A188.68.47.38🇩🇪 netcup-AS188.68.47.0/24
PTRmx2f26.netcup.net
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2020-02-14 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1775965692

Subdomains

mail.sys-netz.de

Same first word

sys-netz.de

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netns17.schlund.dens18.schlund.deMXmail.sys-netz.demx2f26.netcup.netmx00.kundenserver.demx01.kundenserver.demxf955.netcup.netA188.68.47.362a03:4000:30:1d3d::10:756446.38.249.8482.165.96.191
○NSns17.schlund.de2015-07-12 → 2016-03-09 · 4 obs
● 2015-07-12 00:25:32
● 2016-03-09 06:39:02
○ 2016-12-08 18:25:48
○ 2026-04-12 03:49:16
○NSns18.schlund.de2015-07-12 → 2016-03-09 · 4 obs
● 2015-07-12 00:25:32
● 2016-03-09 06:39:02
○ 2016-12-08 18:25:48
○ 2026-04-12 03:49:16
●NSroot-dns.netcup.net2016-12-08 → 2026-04-12 · 3 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2026-04-12 03:49:16
●NSsecond-dns.netcup.net2016-12-08 → 2026-04-12 · 3 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2026-04-12 03:49:16
●NSthird-dns.netcup.net2016-12-08 → 2026-04-12 · 3 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2026-04-12 03:49:16
●MXmail.sys-netz.de2016-12-08 → 2026-04-12 · 3 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2026-04-12 03:49:16
○MXmx00.kundenserver.de2015-07-12 → 2016-03-09 · 4 obs
● 2015-07-12 00:25:32
● 2016-03-09 06:39:02
○ 2016-12-08 18:25:48
○ 2026-04-12 03:49:16
○MXmx01.kundenserver.de2015-07-12 → 2016-03-09 · 4 obs
● 2015-07-12 00:25:32
● 2016-03-09 06:39:02
○ 2016-12-08 18:25:48
○ 2026-04-12 03:49:16
●MXmx2f26.netcup.net2026-04-04 → 2026-04-12 · 3 obs
○ 2017-08-31 18:16:34
● 2026-04-04 22:41:52
● 2026-04-12 03:49:16
○MXmxf955.netcup.net2016-12-08 → 2017-08-31 · 5 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2017-08-31 18:16:34
○ 2026-04-04 22:41:52
○ 2026-04-12 03:49:16
●A188.68.47.362026-04-04 → 2026-04-12 · 3 obs
○ 2017-08-31 18:16:34
● 2026-04-04 22:41:52
● 2026-04-12 03:49:16
●A2a03:4000:30:1d3d::10:75642026-04-04 → 2026-04-12 · 3 obs
○ 2017-08-31 18:16:34
● 2026-04-04 22:41:52
● 2026-04-12 03:49:16
○A46.38.249.842016-12-08 → 2017-08-31 · 5 obs
○ 2016-03-09 06:39:02
● 2016-12-08 18:25:48
● 2017-08-31 18:16:34
○ 2026-04-04 22:41:52
○ 2026-04-12 03:49:16
○A82.165.96.1912015-07-12 → 2016-03-09 · 4 obs
● 2015-07-12 00:25:32
● 2016-03-09 06:39:02
○ 2016-12-08 18:25:48
○ 2026-04-12 03:49:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
sys-netz.dethird-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net-

✅ Authoritative Response

Server:188.68.63.68

NS records: third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys-netz.de (unsigned zone)

⏱️ Timing

Total: 1298ms | Queries: -

📄 Records

TypeCountSample Data
A1188.68.47.36
AAAA12a03:4000:30:1d3d::10:7564
NS3second-dns.netcup.net, root-dns.netcup.net...
MX2mail.sys-netz.de (pri: 10), mx2f26.netcup.net (pri: 50)
TXT1v=spf1 mx a include:_spf.webhosting.syst
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

Hierarchy

sys-netz.de is the parent of mail.sys-netz.de.

IP Addresses

sys-netz.de resolves to two IP numbers: 2a03:4000:30:1d3d::10:7564 and 188.68.47.36.

other host names including nolimitz.de, www.123nase.de, bonkes.de, freiblatt.de and aktuna.net share IP numbers with sys-netz.de.

Name Servers

sys-netz.de is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

sys-netz.de at least partially shares name servers with other domains, for instance jagraj.de, mircol.de, dietmar-juergens.de, dalt.eu and wohn8er.de.

Host names with two IP numbers:

root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.

second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.

third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.

Mail Servers

Two mail servers handle sys-netz.de: mail.sys-netz.de and mx2f26.netcup.net.

sys-netz.de shares some mail servers with other domains, at least partially, for instance bagbar.de, rinjamin.de, php6-forum.de, cycomania.de and christian-mellmann.de.

these mail servers are often used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with a single IP:

mail.sys-netz.de points to 188.68.47.38.

mx2f26.netcup.net points to 188.68.47.38.

Host names pointing to 188.68.47.38: mail.sys-netz.de and mx2f26.netcup.net.