system4sf.com - robtex.com
system4sf.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=1774362087 | ||||||
Same first word
system4sf.com |
Similar names
DNS History
17 records (8 active, 9 former)
●NSns77.domaincontrol.com2017-10-13 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●NSns78.domaincontrol.com2017-10-13 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●MXalt1.aspmx.l.google.com2026-02-21 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●MXalt2.aspmx.l.google.com2026-02-21 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●MXalt3.aspmx.l.google.com2026-02-21 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●MXalt4.aspmx.l.google.com2026-02-21 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●MXaspmx.l.google.com2026-02-21 → 2026-03-24 · 2 obs
● 2026-03-24 14:37:32
●A104.236.239.852026-02-21 → 2026-03-24 · 3 obs
● 2026-02-21 23:27:58
● 2026-03-24 14:37:32
○A184.168.221.112017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A184.168.221.122017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A184.168.221.212017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A184.168.221.242017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A184.168.221.292017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A184.168.221.42017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A50.63.202.142017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A50.63.202.282017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
○A50.63.202.42017-10-13 → 2017-10-13 · 3 obs
○ 2026-02-21 23:27:58
○ 2026-03-24 14:37:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| system4sf.com | ns77.domaincontrol.com, ns78.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.49
NS records: ns77.domaincontrol.com, ns78.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system4sf.com (unsigned zone)
⏱️ Timing
Total: 181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.236.239.85 |
| NS | 2 | ns77.domaincontrol.com, ns78.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | google-site-verification=Sym5G0IheQ1-6qa |
| SOA | 1 | ns77.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns77.domaincontrol.com, ns77.domaincontrol.com, ns78.domaincontrol.com...)
Analysis
IP Addresses
system4sf.com points to a single IP address: 104.236.239.85.
Name Servers
Two name servers ns77.domaincontrol.com and ns78.domaincontrol.com handle the delegation for system4sf.com.
system4sf.com shares the same name server setup as other domains, for example privypayments.com, xingfu.ca, sonickid.com, dukeofdevonshirebalham.com and universidadmazda.com.
Host names with two IP numbers:
ns77.domaincontrol.com points to 2603:5:21c4::31 and 97.74.108.49.
ns78.domaincontrol.com points to 2603:5:22c4::31 and 173.201.76.49.
Mail Servers
system4sf.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
system4sf.com shares at least partially some mail servers with other domains, for instance gellergroup.co.il, torontoanimalwranglers.ca, ns500671.ns500754.ns500671.ns500754.ns500671.ns500731.ns500671.ns500688.ns500671.ns500291.ns500688.ns500649.ns500671.lusty(0x736c7574)z.com, ns500754.ns500742.ns500754.ns500754.ns500754.ns500704.ns500704.ns500705.ns500704.ns500705.ns500671.lustychickser.com and inburke.com.
these mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers
Each host name points to two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4023:c0d::1b and 74.125.137.27
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27
alt4.aspmx.l.google.com points to 2607:f8b0:4003:c4a::1b and 142.251.96.27