a3online.com - dns.ninja
a3online.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=1786193494 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (10 active, 1 former)
●NSns1.server281.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●NSns2.server281.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXalt1.aspmx.l.google.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXalt2.aspmx.l.google.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXaspmx.l.google.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXaspmx2.googlemail.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXaspmx3.googlemail.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXaspmx4.googlemail.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●MXaspmx5.googlemail.com2015-07-06 → 2026-08-08 · 2 obs
● 2026-08-08 13:17:28
●A192.252.144.312026-03-12 → 2026-08-08 · 3 obs
● 2026-03-12 01:52:42
● 2026-08-08 13:17:28
○A64.14.68.102015-07-06 → 2016-09-18 · 4 obs
● 2016-09-18 20:13:18
○ 2026-03-12 01:52:42
○ 2026-08-08 13:17:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| a3online.com | ns1.server281.com, ns2.server281.com | 2 records |
✅ Authoritative Response
Server:192.252.145.31
NS records: ns1.server281.com, ns2.server281.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a3online.com (unsigned zone)
⏱️ Timing
Total: 451ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.144.31 |
| NS | 2 | ns1.server281.com, ns2.server281.com |
| MX | 7 | aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | "v=spf1 ip4:99.175.137.197 a mx a:mx01.s |
| SOA | 1 | ns1.server281.com hostmaster.a3online.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.server281.com, ns2.server281.com)
Analysis
Hierarchy
a3online.com sits above ns2.a3online.com, neko.a3online.com and www.a3online.com in the domain hierarchy.
IP Addresses
a3online.com has exactly one IP address — 192.252.144.31.
www.gardenofyoga.net, designbox.us, braemarontruro.com plus two other host names have IP numbers in common with a3online.com.
Name Servers
a3online.com is served by two delegated name servers, ns1.server281.com and ns2.server281.com.
The name server configuration of a3online.com is shared with other domains, for instance ztoptics.com, tomdavenport.com, electricleaf.com and two others.
There is at least partial name server overlap between a3online.com and other domains — hkmaal.org, timeme.com, twisterfest.com and two more among them.
ns1.server281.com → 192.252.144.31 and ns2.server281.com → 192.252.145.31: one IP number per host name.
Mail Servers
a3online.com accepts email via 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
At least some of the mail servers used by a3online.com are shared with other domains: rhintegracion.com, rdb.agency, ns500759.ns500698.ns500759.ns500758.ns500698.ns500698.ns500698.ns500735.ns500708.ns500576.ns500698.ns500698.ns500686.ns500576.ns500576.trackreceptor.com and two others among them.
These mail servers are often deployed together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com maps to two IP addresses — 142.251.167.26 and 2607:f8b0:4004:c19::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1b IP addresses.
These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.