sys-ct.com - robtex.com
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=1784968042 | ||||||
Same first word
sys-ct.com |
Similar names
DNS History
15 records (11 active, 4 former)
●NSns1045.ui-dns.de2026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
●NSns1046.ui-dns.biz2026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
●NSns1063.ui-dns.org2026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
●NSns1104.ui-dns.com2026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
○NSns7.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-07-25 08:44:46
○NSns8.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-07-25 08:44:46
●MXalt2.aspmx.l.google.com2026-05-09 → 2026-07-25 · 2 obs
● 2026-07-25 08:44:46
●MXalt3.aspmx.l.google.com2026-05-09 → 2026-07-25 · 2 obs
● 2026-07-25 08:44:46
●MXalt4.aspmx.l.google.com2026-05-09 → 2026-07-25 · 2 obs
● 2026-07-25 08:44:46
●MXaspmx.l.google.com2026-05-09 → 2026-07-25 · 2 obs
● 2026-07-25 08:44:46
○A141.8.224.932018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-07-25 08:44:46
●A2001:8d8:100f:f000::2002026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
●A217.160.0.962026-05-09 → 2026-07-25 · 3 obs
● 2026-05-09 08:36:50
● 2026-07-25 08:44:46
○PTRns7.rookdns.com2018-01-23 → 2018-01-23 · 3 obs
○ 2026-05-09 08:36:50
○ 2026-07-25 08:44:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, b.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:185.132.32.45
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: 1325ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.96 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 4 | ns1046.ui-dns.biz, ns1104.ui-dns.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 6)... |
| 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 has two IP addresses: 217.160.0.96 and 2001:8d8:100f:f000::200
ihr-hausarzt-rastede.de, composteurs.com, fabelino.de plus two other host names have IP numbers in common with sys-ct.com.
Name Servers
Four name servers handle the delegation for sys-ct.com: ns1046.ui-dns.biz, ns1104.ui-dns.com, ns1045.ui-dns.de and ns1063.ui-dns.org.
There is at least partial name server overlap between sys-ct.com and other domains — agrojob.de, eta-quadrat.com, home-schroeter.de and two more among them.
These name servers regularly appear alongside ns1045.ui-dns.com, ns1045.ui-dns.biz, ns1045.ui-dns.org and 7 other name servers in NS record sets.
All four hostnames — ns1046.ui-dns.biz, ns1104.ui-dns.com, ns1045.ui-dns.de and ns1063.ui-dns.org — resolve to two IP numbers apiece: ns1046.ui-dns.biz to 185.132.33.46 and 2607:f1c0:fe:53:185:132:33:46; ns1104.ui-dns.com to 185.132.34.104 and 2607:f1c0:fe:53:185:132:34:104; ns1045.ui-dns.de to 185.132.32.45 and 2607:f1c0:fe:53:185:132:32:45; ns1063.ui-dns.org to 185.132.35.63 and 2607:f1c0:fe:53:185:132:35:63.
Mail Servers
Five mail servers handle sys-ct.com: mx00.ionos.com, aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by sys-ct.com are shared with other domains: r3dev.org, busybeewellness.org, naufik.net and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com directs traffic to 192.178.218.27 and 2607:f8b0:4004:c1f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.
Host names resolving to a single IP address:
mx00.ionos.com has the IP address 74.208.114.65.