oa3.com - robtex.com
oa3.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=1784850027 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSns1.yccw.com2015-08-24 → 2017-04-09 · 7 obs
○ 2015-12-16 12:14:24
○ 2016-03-18 01:03:52
● 2016-06-15 04:42:50
● 2017-04-09 22:13:02
○ 2026-07-21 15:42:26
○ 2026-07-24 00:04:20
○NSns2.yccw.com2015-08-24 → 2017-04-09 · 7 obs
● 2016-03-18 01:03:52
○ 2016-06-15 04:42:50
○ 2016-07-02 01:45:52
● 2017-04-09 22:13:02
○ 2026-07-21 15:42:26
○ 2026-07-24 00:04:20
●NSns73.domaincontrol.com2026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
●NSns74.domaincontrol.com2026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
○MXmail.oa3.com2015-08-24 → 2017-04-09 · 4 obs
● 2017-04-09 22:13:02
○ 2026-07-21 15:42:26
○ 2026-07-24 00:04:20
●MXmx.zoho.com2026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
●MXmx2.zoho.com2026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
●MXmx3.zoho.com2026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
●A223.255.155.1142026-07-21 → 2026-07-24 · 3 obs
● 2026-07-21 15:42:26
● 2026-07-24 00:04:20
○A58.177.86.182015-08-24 → 2017-04-09 · 4 obs
● 2017-04-09 22:13:02
○ 2026-07-21 15:42:26
○ 2026-07-24 00:04:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| oa3.com | ns73.domaincontrol.com, ns74.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.106.47
NS records: ns73.domaincontrol.com, ns74.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oa3.com (unsigned zone)
⏱️ Timing
Total: 266ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 223.255.155.114 |
| NS | 2 | ns73.domaincontrol.com, ns74.domaincontrol.com |
| MX | 3 | mx2.zoho.com (pri: 20), mx3.zoho.com (pri: 50)... |
| TXT | 1 | v=spf1 a mx include:zoho.com ip4:223.255 |
| SOA | 1 | ns73.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)
Analysis
IP Addresses
oa3.com resolves to just one IP address, 223.255.155.114.
Two other host names, along with mail.playimages.com, peter-lee.com and chiwing.com.hk, also share IP numbers with oa3.com.
Name Servers
oa3.com is served by two delegated name servers, ns73.domaincontrol.com and ns74.domaincontrol.com.
oa3.com shares its NS records with other domains, for example greenpower4texas.com, houseofvintagela.com, chargedupdata.com and two others.
Each of the two host names carries two IP addresses: ns73.domaincontrol.com points to 97.74.106.47 and 2603:5:21a4::2f, and ns74.domaincontrol.com points to 173.201.74.47 and 2603:5:22a4::2f.
Mail Servers
oa3.com is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
There is at least a partial MX overlap between oa3.com and other domains, including madrasinfotech.com, mountingkingauto.com, pioneers.sa and two others.
mx2.zoho.com resolves to 136.143.183.44. Notably, mx3.zoho.com and mx.zoho.com share the same IP address, 204.141.43.44.
These two host names — mx3.zoho.com and mx.zoho.com — each point to 204.141.43.44 IP addresses.