sys-ct.com - dns.ninja
sys-ct.com
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.netnstld@verisign-grs.com serial=1780995631 | ||||||
Same first word
sys-ct.com |
Similar names
DNS History
15 records (11 active, 4 former)
●NSns1045.ui-dns.de2026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
●NSns1046.ui-dns.biz2026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
●NSns1063.ui-dns.org2026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
●NSns1104.ui-dns.com2026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
○NSns7.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-06-09 09:06:08
○NSns8.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-06-09 09:06:08
●MXalt2.aspmx.l.google.com2026-05-09 → 2026-06-09 · 2 obs
● 2026-06-09 09:06:08
●MXalt3.aspmx.l.google.com2026-05-09 → 2026-06-09 · 2 obs
● 2026-06-09 09:06:08
●MXalt4.aspmx.l.google.com2026-05-09 → 2026-06-09 · 2 obs
● 2026-06-09 09:06:08
●MXaspmx.l.google.com2026-05-09 → 2026-06-09 · 2 obs
● 2026-06-09 09:06:08
○A141.8.224.932018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-06-09 09:06:08
●A2001:8d8:100f:f000::2002026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
●A217.160.0.962026-05-09 → 2026-06-09 · 3 obs
● 2026-05-09 08:36:50
● 2026-06-09 09:06:08
○PTRns7.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-06-09 09:06:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| sys-ct.com | ns1045.ui-dns.de, ns1046.ui-dns.biz, ns1063.ui-dns.org, ns1104.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.83.63
NS records: ns1045.ui-dns.de, ns1046.ui-dns.biz, ns1063.ui-dns.org, ns1104.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys-ct.com (unsigned zone)
⏱️ Timing
Total: 1513ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.96 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 4 | ns1063.ui-dns.org, ns1045.ui-dns.de... |
| MX | 5 | mx00.ionos.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=verifydomain MS=3494246 |
| SOA | 1 | ns1063.ui-dns.org hostmaster.1und1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1104.ui-dns.com, ns1104.ui-dns.com)
Analysis
IP Addresses
sys-ct.com points to two IP numbers: 217.160.0.96 and 2001:8d8:100f:f000::200.
Among the host names that share IP numbers with sys-ct.com are ihr-hausarzt-rastede.de, composteurs.com, dc-ce.com and two others.
Name Servers
sys-ct.com delegates DNS authority to 4 name servers — ns1046.ui-dns.biz, ns1104.ui-dns.com, ns1045.ui-dns.de and ns1063.ui-dns.org.
sys-ct.com shares at least some of its name servers with other domains, including agrojob.de, eta-quadrat.com, home-schroeter.de and two others.
ns1045.ui-dns.com, ns1045.ui-dns.biz and ns1045.ui-dns.org — plus seven other name servers — are routinely found together with these name servers.
The host names ns1046.ui-dns.biz, ns1104.ui-dns.com, ns1045.ui-dns.de and ns1063.ui-dns.org each resolve to two IP addresses: ns1046.ui-dns.biz resolves to 217.160.81.46 and 2001:8d8:fe:53:0:d9a0:512e:100; ns1104.ui-dns.com resolves to 217.160.82.104 and 2001:8d8:fe:53:0:d9a0:5268:100; ns1045.ui-dns.de resolves to 217.160.80.45 and 2001:8d8:fe:53:0:d9a0:502d:100; ns1063.ui-dns.org resolves to 217.160.83.63 and 2001:8d8:fe:53:0:d9a0:533f:100.
Mail Servers
sys-ct.com uses 5 mail servers: mx00.ionos.com, aspmx.l.google.com, alt2.aspmx.l.google.com plus two additional ones.
sys-ct.com shares at least some of its mail servers with other domains — for example r3dev.org, busybeewellness.org, naufik.net and two more.
These mail servers tend to co-occur with alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and three additional mail servers.
Hosts with two IP numbers each:
aspmx.l.google.com resolves to 142.250.31.26 and 2607:f8b0:4004:c23::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to 173.194.76.26 and 2a00:1450:400c:c00::1b.
Host names with one IP number:
mx00.ionos.com resolves to 74.208.5.3.