postmailer.net - robtex.com
postmailer.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-839.awsdns-40.net ⭐ | ||||||
| A | 2600:9000:5303:4700::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-839.awsdns-40.net | ||||||
| A | 205.251.195.71🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-839.awsdns-40.net | ||||||
| NS | ns-1245.awsdns-27.org | ||||||
| A | 2600:9000:5304:dd00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1245.awsdns-27.org | ||||||
| A | 205.251.196.221🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1245.awsdns-27.org | ||||||
| NS | ns-1713.awsdns-22.co.uk | ||||||
| A | 2600:9000:5306:b100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1713.awsdns-22.co.uk | ||||||
| A | 205.251.198.177🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1713.awsdns-22.co.uk | ||||||
| NS | ns-184.awsdns-23.com | ||||||
| A | 2600:9000:5300:b800::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-184.awsdns-23.com | ||||||
| A | 205.251.192.184🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-184.awsdns-23.com | ||||||
| SOA | ns-839.awsdns-40.netawsdns-hostmaster@amazon.com serial=1 | ||||||
net
| 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=1771291465 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1245.awsdns-27.org2026-02-26 → 2026-03-24 · 2 obs
● 2026-03-24 06:23:18
●NSns-1713.awsdns-22.co.uk2026-02-26 → 2026-03-24 · 2 obs
● 2026-03-24 06:23:18
●NSns-184.awsdns-23.com2026-02-26 → 2026-03-24 · 2 obs
● 2026-03-24 06:23:18
●NSns-839.awsdns-40.net2026-02-26 → 2026-03-24 · 2 obs
● 2026-03-24 06:23:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net... | - |
| postmailer.net | ns-184.awsdns-23.com, ns-839.awsdns-40.net, ns-1713.awsdns-22.co.uk, ns-1245.awsdns-27.org | 1 record |
✅ Authoritative Response
Server:205.251.195.71
NS records: ns-184.awsdns-23.com, ns-839.awsdns-40.net, ns-1713.awsdns-22.co.uk, ns-1245.awsdns-27.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for postmailer.net (unsigned zone)
⏱️ Timing
Total: 495ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1245.awsdns-27.org, ns-1713.awsdns-22.co.uk... |
| SOA | 1 | ns-839.awsdns-40.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-839.awsdns-40.net)
Analysis
Name Servers
postmailer.net is delegated to four name servers: ns-184.awsdns-23.com, ns-839.awsdns-40.net, ns-1245.awsdns-27.org and ns-1713.awsdns-22.co.uk.
postmailer.net shares some name servers with other domains, for example innogy-zakaznicke-sluzby.cz, mandymooretour.com, ikonoclast.org, cmtsp.com.br and d8ldk29pm7a3h.cloudfront.net.
These name servers are often used together with ns-476.awsdns-59.com, ns-1446.awsdns-52.org and ns-1666.awsdns-16.co.uk.
Host names with two IP numbers
Two IPs per host:
ns-184.awsdns-23.com points to 2600:9000:5300:b800::1 and 205.251.192.184
ns-839.awsdns-40.net points to 2600:9000:5303:4700::1 and 205.251.195.71
ns-1245.awsdns-27.org points to 2600:9000:5304:dd00::1 and 205.251.196.221
ns-1713.awsdns-22.co.uk points to 2600:9000:5306:b100::1 and 205.251.198.177