sub2u.com - robtex.com
sub2u.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 | ||||||
Subdomains
www.sub2u.com |
Same first word
sub2u.com |
DNS History
8 records (8 active, 0 former)
●NSns51.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●NSns52.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●MXalt1.aspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●MXalt2.aspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●MXaspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●MXaspmx2.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●MXaspmx3.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
●A52.74.30.1382026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 04:40:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net... | - |
| sub2u.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sub2u.com (unsigned zone)
⏱️ Timing
Total: 102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.74.30.138 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=G3byfhz7hC9jbQD, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
Hierarchy
sub2u.com is the parent of www.sub2u.com.
IP Addresses
sub2u.com resolves to a single IP: 52.74.30.138.
Other host names, for instance, meetthemasters-educare.com, www.sub2u.com, ec2-52-74-30-138.ap-southeast-1.compute.amazonaws.com and bookntravel.com share IP numbers with sub2u.com.
Name Servers
sub2u.com has two name servers: ns51.domaincontrol.com and ns52.domaincontrol.com.
sub2u.com shares the same name server setup as other domains, for example springmenders.com, activitybarn.com, haroldchow.com, wise-foundation.com and robertdavanzo.com.
Host names with two IP numbers:
ns51.domaincontrol.com points to: 2603:5:2192::1a and 97.74.105.26; ns52.domaincontrol.com points to: 2603:5:2292::1a and 173.201.73.26.
Mail Servers
sub2u.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.
sub2u.com shares some mail servers with other domains, at least partially; for instance igdglass.com, movimientopuente.org, ns500754.ns500671.ns500731.ns500731.ns500731.ns500754.ns500688.ns500671.ns500666.ns500666.ns500131.lustychickser.com, ns500671.ns500731.ns500671.ns500704.ns500671.ns500678.ns500291.ns500678.ns500291.ns500649.tenderladiesbz.com and tie.dk.
these mail servers are often used together with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
Host aspmx2.googlemail.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.27.
Host aspmx3.googlemail.com has IPs 2607:f8b0:4023:1015::1b and 172.253.135.26.
Host aspmx.l.google.com has IPs 2607:f8b0:4004:c19::1b and 172.253.62.27.
Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4003:c30::1b and 74.125.27.26.
Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4001:c70::1a and 192.178.209.26.