securemail.app - robtex.com
securemail.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.162.158.110🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies | ||||||
| PTR | lilium.net | ||||||
| NS | ns-1643.awsdns-13.co.uk ⭐ | ||||||
| A | 2600:9000:5306:6b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1643.awsdns-13.co.uk | ||||||
| A | 205.251.198.107🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1643.awsdns-13.co.uk | ||||||
| NS | ns-1209.awsdns-23.org | ||||||
| A | 2600:9000:5304:b900::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1209.awsdns-23.org | ||||||
| A | 205.251.196.185🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1209.awsdns-23.org | ||||||
| NS | ns-52.awsdns-06.com | ||||||
| A | 2600:9000:5300:3400::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-52.awsdns-06.com | ||||||
| A | 205.251.192.52🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-52.awsdns-06.com | ||||||
| NS | ns-937.awsdns-53.net | ||||||
| A | 2600:9000:5303:a900::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-937.awsdns-53.net | ||||||
| A | 205.251.195.169🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-937.awsdns-53.net | ||||||
| MX | mx.nomail.mx ⭐ | ||||||
| A | 127.0.0.1 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-1643.awsdns-13.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns-1209.awsdns-23.org2026-07-15 → 2026-07-19 · 2 obs
● 2026-07-19 19:36:04
●NSns-1643.awsdns-13.co.uk2026-07-15 → 2026-07-19 · 2 obs
● 2026-07-19 19:36:04
●NSns-52.awsdns-06.com2026-07-15 → 2026-07-19 · 2 obs
● 2026-07-19 19:36:04
●NSns-937.awsdns-53.net2026-07-15 → 2026-07-19 · 2 obs
● 2026-07-19 19:36:04
●A139.162.158.1102026-07-15 → 2026-07-19 · 2 obs
● 2026-07-19 19:36:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| securemail.app | ns-937.awsdns-53.net, ns-1643.awsdns-13.co.uk, ns-52.awsdns-06.com, ns-1209.awsdns-23.org | - |
✅ Authoritative Response
Server:205.251.196.185
NS records: ns-937.awsdns-53.net, ns-1643.awsdns-13.co.uk, ns-52.awsdns-06.com, ns-1209.awsdns-23.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for securemail.app (unsigned zone)
⏱️ Timing
Total: 2823ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.158.110 |
| NS | 4 | ns-1209.awsdns-23.org, ns-1643.awsdns-13.co.uk... |
| MX | 1 | mx.nomail.mx (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-1643.awsdns-13.co.uk awsdns-hostmaste |
Analysis
IP Addresses
securemail.app resolves to one IP address: 139.162.158.110.
mx2.email, rs680-realsender.com, realsender.es and two other host names share IP numbers with securemail.app.
Name Servers
The authoritative name servers for securemail.app are ns-52.awsdns-06.com, ns-937.awsdns-53.net, ns-1209.awsdns-23.org and ns-1643.awsdns-13.co.uk.
ns-52.awsdns-06.com, ns-937.awsdns-53.net, ns-1209.awsdns-23.org and ns-1643.awsdns-13.co.uk all point to exactly two IP numbers each: ns-52.awsdns-06.com → 205.251.192.52 and 2600:9000:5300:3400::1; ns-937.awsdns-53.net → 205.251.195.169 and 2600:9000:5303:a900::1; ns-1209.awsdns-23.org → 205.251.196.185 and 2600:9000:5304:b900::1; ns-1643.awsdns-13.co.uk → 205.251.198.107 and 2600:9000:5306:6b00::1.
Mail Servers
Mail for securemail.app is handled by a single mail server, mx.nomail.mx.
securemail.app uses an identical mail server configuration to several other domains — among them open-spf.org, realsender.de, postmaster.tools and two more.
mx.nomail.mx carries a single IP number, which is 127.0.0.1.