tec-sys.de - dns.ninja
tec-sys.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786379508 | ||||||
Subdomains
mail.tec-sys.de |
Same first word
Similar names
DNS History
12 records (9 active, 3 former)
●NSroot-dns.netcup.net2015-05-18 → 2026-08-10 · 2 obs
● 2026-08-10 16:37:34
●NSsecond-dns.netcup.net2015-05-18 → 2026-08-10 · 2 obs
● 2026-08-10 16:37:34
●NSthird-dns.netcup.net2015-05-18 → 2026-08-10 · 2 obs
● 2026-08-10 16:37:34
●MXalt1.aspmx.l.google.com2026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
●MXalt2.aspmx.l.google.com2026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
●MXalt3.aspmx.l.google.com2026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
●MXalt4.aspmx.l.google.com2026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
●MXaspmx.l.google.com2026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
○MXmail2015-05-18 → 2015-11-19 · 4 obs
● 2015-11-19 14:22:08
○ 2016-02-11 09:15:34
○ 2026-08-10 16:37:34
○MXmail.tec-sys.de2016-02-11 → 2020-02-18 · 5 obs
● 2016-02-11 09:15:34
● 2020-02-18 13:25:50
○ 2026-02-22 06:36:14
○ 2026-08-10 16:37:34
○A46.38.251.412015-05-18 → 2020-02-18 · 4 obs
● 2020-02-18 13:25:50
○ 2026-02-22 06:36:14
○ 2026-08-10 16:37:34
●A5.181.51.1632026-02-22 → 2026-08-10 · 3 obs
● 2026-02-22 06:36:14
● 2026-08-10 16:37:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| tec-sys.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tec-sys.de (unsigned zone)
⏱️ Timing
Total: 1138ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.181.51.163 |
| NS | 3 | second-dns.netcup.net, root-dns.netcup.net... |
| MX | 5 | ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=K6WppbOAOsvTs3H |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
tec-sys.de is the parent zone for mail.tec-sys.de.
IP Addresses
tec-sys.de directs to one IP number, which is 5.181.51.163.
mail.tec-sys.de and v220251011580386937.powersrv.de, along with other host names, share IP addresses with tec-sys.de.
Name Servers
tec-sys.de carries NS records delegating to root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
tec-sys.de partially shares its NS delegation with several other domains, including bayuvaria.de, eks-sohren.de, beratungshelden.de and two others.
Hosts with two IP numbers each:
root-dns.netcup.net resolves to two addresses: 46.38.225.225 and 2a03:4000:0:1::e1e1.
Mail Servers
tec-sys.de is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
tec-sys.de shares at least some of its mail servers with other domains — for example randstad.pt, ns500698.ns500759.ns500698.ns500735.ns500735.ns500735.ns500698.ns500735.ns500736.ns500736.ns500708.ns500576.ns500698.ns500619.ns500686.ns500619.ns500619.trackreceptor.com, ns500758.ns500698.ns500759.ns500759.ns500736.ns500698.ns500736.ns500698.ns500735.ns500708.ns500576.ns500698.ns500652.ns500619.ns500619.trackreceptor.com and two more.
It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.
Hosts with two IP numbers each:
aspmx.l.google.com resolves to two addresses: 172.253.139.27 and 2607:f8b0:4004:c19::1b.
alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.