a2zexch.com - robtex.com
a2zexch.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-453.awsdns-56.com ⭐ | ||||||
| A | 2600:9000:5301:c500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-453.awsdns-56.com | ||||||
| A | 205.251.193.197🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-453.awsdns-56.com | ||||||
| NS | ns-1375.awsdns-43.org | ||||||
| A | 2600:9000:5305:5f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1375.awsdns-43.org | ||||||
| A | 205.251.197.95🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1375.awsdns-43.org | ||||||
| NS | ns-2038.awsdns-62.co.uk | ||||||
| A | 2600:9000:5307:f600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2038.awsdns-62.co.uk | ||||||
| A | 205.251.199.246🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2038.awsdns-62.co.uk | ||||||
| NS | ns-763.awsdns-31.net | ||||||
| A | 2600:9000:5302:fb00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| A | 205.251.194.251🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-763.awsdns-31.net | ||||||
| MX | mail.a2zexch.com ⭐ | ||||||
| A | 52.50.237.160🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix | ||||||
| PTR | ec2-52-50-237-160.eu-west-1.compute.amazonaws.com | ||||||
| SOA | ns-453.awsdns-56.comawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1776113752 | ||||||
Subdomains
mail.a2zexch.com |
Same first word
a2zexch.com |
DNS History
8 records (5 active, 3 former)
●NSns-1375.awsdns-43.org2026-04-02 → 2026-04-13 · 3 obs
● 2026-04-02 00:02:34
● 2026-04-13 21:18:26
●NSns-2038.awsdns-62.co.uk2026-04-02 → 2026-04-13 · 3 obs
● 2026-04-02 00:02:34
● 2026-04-13 21:18:26
●NSns-453.awsdns-56.com2026-04-02 → 2026-04-13 · 3 obs
● 2026-04-02 00:02:34
● 2026-04-13 21:18:26
●NSns-763.awsdns-31.net2026-04-02 → 2026-04-13 · 3 obs
● 2026-04-02 00:02:34
● 2026-04-13 21:18:26
○NSns05.domaincontrol.com2015-06-23 → 2017-12-27 · 4 obs
● 2017-12-27 08:57:46
○ 2026-04-02 00:02:34
○ 2026-04-13 21:18:26
○NSns06.domaincontrol.com2015-06-23 → 2017-12-27 · 4 obs
● 2017-12-27 08:57:46
○ 2026-04-02 00:02:34
○ 2026-04-13 21:18:26
●MXmail.a2zexch.com2015-06-23 → 2026-04-13 · 2 obs
● 2026-04-13 21:18:26
○A50.63.202.492015-06-23 → 2017-12-27 · 4 obs
● 2017-12-27 08:57:46
○ 2026-04-02 00:02:34
○ 2026-04-13 21:18:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| a2zexch.com | ns-763.awsdns-31.net, ns-453.awsdns-56.com, ns-1375.awsdns-43.org, ns-2038.awsdns-62.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.197.95
NS records: ns-763.awsdns-31.net, ns-453.awsdns-56.com, ns-1375.awsdns-43.org, ns-2038.awsdns-62.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a2zexch.com (unsigned zone)
⏱️ Timing
Total: 369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1375.awsdns-43.org, ns-2038.awsdns-62.co.uk... |
| MX | 1 | mail.a2zexch.com (pri: 10) |
| SOA | 1 | ns-453.awsdns-56.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-453.awsdns-56.com)
Analysis
Hierarchy
mail.a2zexch.com is a child of a2zexch.com.
Name Servers
a2zexch.com delegates to four name servers: ns-453.awsdns-56.com, ns-763.awsdns-31.net, ns-1375.awsdns-43.org and ns-2038.awsdns-62.co.uk.
a2zexch.com at least partially shares name servers with other domains, including faireylaw.com, tdknowledgecentre.com, recruit-ihokishika.jp, locomote.com and thebnbprime.com.
These name servers are commonly used with ns-92.awsdns-11.com, ns-621.awsdns-13.net and ns-2011.awsdns-59.co.uk.
Host names with two IP numbers: ns-453.awsdns-56.com points to 2600:9000:5301:c500::1 and 205.251.193.197; ns-763.awsdns-31.net points to 2600:9000:5302:fb00::1 and 205.251.194.251; ns-1375.awsdns-43.org points to 2600:9000:5305:5f00::1 and 205.251.197.95; ns-2038.awsdns-62.co.uk points to 2600:9000:5307:f600::1 and 205.251.199.246.
Mail Servers
A single mail server handles a2zexch.com, mail.a2zexch.com.
Host name mail.a2zexch.com resolves to a single IP: 52.50.237.160.