knownfour.com - robtex.com
knownfour.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=1771291435 | ||||||
DNS History
10 records (8 active, 2 former)
●NSns57.domaincontrol.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●NSns58.domaincontrol.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●MXalt1.aspmx.l.google.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●MXalt2.aspmx.l.google.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●MXaspmx.l.google.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●MXaspmx2.googlemail.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
●MXaspmx3.googlemail.com2015-07-11 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
○A31.193.13.1742015-07-11 → 2016-06-20 · 4 obs
● 2016-06-20 04:58:12
○ 2018-07-16 04:10:16
○ 2026-02-26 08:50:56
○A52.65.237.2082018-07-16 → 2018-07-16 · 3 obs
● 2018-07-16 04:10:16
○ 2026-02-26 08:50:56
●A94.237.53.1432026-02-26 → 2026-02-26 · 2 obs
● 2026-02-26 08:50:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| knownfour.com | ns57.domaincontrol.com, ns58.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 97.74.108.29
NS records: ns57.domaincontrol.com, ns58.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knownfour.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.237.53.143 |
| NS | 2 | ns57.domaincontrol.com, ns58.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 7 | google-site-verification=EBzL6x1qMm1t4wU, MS=ms30281287... |
| SOA | 1 | ns57.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns57.domaincontrol.com, ns57.domaincontrol.com, ns58.domaincontrol.com...)
AI analysis
knownfour.com maps to IP address 94.237.53.143.
Other host names, for instance proactive-tech.co.uk, pacemedtech.com, mail.digitalpaycentre.com, regananddean.com and office.diamondblaquee.com share IP numbers with knownfour.com.
Two name servers ns57.domaincontrol.com and ns58.domaincontrol.com are delegated to knownfour.com.
knownfour.com uses the same name server configuration as other domains, such as emileharb.com, e-gamz.com, leedesigns.us, pozafrica.com and letsgettogether.eu.
Host names with two IPs:
ns57.domaincontrol.com points to 2603:5:21c2::1d and 97.74.108.29.
ns58.domaincontrol.com points to 2603:5:22c2::1d and 173.201.76.29.
knownfour.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
knownfour.com shares mail servers with other domains at least in part, for instance ns500693.ns500699.ns500734.ns500699.ns500734.ns500693.ns500693.ns500699.ns500693.ns500588.ns500612.ns500612.ns500612.ns500588.ns500588.dtrkdll.com, ns500734.ns500699.ns500693.ns500734.ns500693.ns500693.ns500734.ns500699.ns500699.ns500693.ns500588.ns500588.ns500683.ns500632.ns500632.ns500588.ns500588.dtrkdll.com, ns500699.ns500699.ns500734.ns500693.ns500734.ns500699.ns500734.ns500693.ns500699.ns500693.ns500588.ns500588.ns500693.ns500699.ns500699.ns500588.ns500632.ns500110.dtrkdll.com, ns500731.ns500671.ns500731.ns500731.ns500742.ns500671.ns500688.ns500671.ns500666.ns500649.ns500153.tenderladiesbz.com and ns500734.ns500699.ns500699.ns500699.ns500693.ns500699.ns500693.ns500693.ns500632.ns500588.ns500588.ns500612.ns500110.dtrkdll.com.
These mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx5.googlemail.com and aspmx4.googlemail.com.
Host names with two IPs:
aspmx2.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27.
aspmx3.googlemail.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27.
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
Names that point to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Names that point to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com.