substackmail.com - dns.ninja
substackmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-345.awsdns-43.com ⭐ | ||||||
| A | 2600:9000:5301:5900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-345.awsdns-43.com | ||||||
| A | 205.251.193.89🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-345.awsdns-43.com | ||||||
| NS | ns-1436.awsdns-51.org | ||||||
| A | 2600:9000:5305:9c00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1436.awsdns-51.org | ||||||
| A | 205.251.197.156🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1436.awsdns-51.org | ||||||
| NS | ns-1624.awsdns-11.co.uk | ||||||
| A | 2600:9000:5306:5800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1624.awsdns-11.co.uk | ||||||
| A | 205.251.198.88🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1624.awsdns-11.co.uk | ||||||
| NS | ns-906.awsdns-49.net | ||||||
| A | 2600:9000:5303:8a00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-906.awsdns-49.net | ||||||
| A | 205.251.195.138🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-906.awsdns-49.net | ||||||
| SOA | ns-345.awsdns-43.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=1782162030 | ||||||
Same first word
substackmail.com |
DNS History
8 records (4 active, 4 former)
●NSns-1436.awsdns-51.org2026-02-27 → 2026-06-22 · 3 obs
● 2026-02-27 05:09:24
● 2026-06-22 21:23:50
●NSns-1624.awsdns-11.co.uk2026-02-27 → 2026-06-22 · 3 obs
● 2026-02-27 05:09:24
● 2026-06-22 21:23:50
●NSns-345.awsdns-43.com2026-02-27 → 2026-06-22 · 3 obs
● 2026-02-27 05:09:24
● 2026-06-22 21:23:50
●NSns-906.awsdns-49.net2026-02-27 → 2026-06-22 · 3 obs
● 2026-02-27 05:09:24
● 2026-06-22 21:23:50
○NSns-cloud-e1.googledomains.com2018-05-07 → 2018-05-07 · 3 obs
○ 2026-02-27 05:09:24
○ 2026-06-22 21:23:50
○NSns-cloud-e2.googledomains.com2018-05-07 → 2018-05-07 · 3 obs
○ 2026-02-27 05:09:24
○ 2026-06-22 21:23:50
○NSns-cloud-e3.googledomains.com2018-05-07 → 2018-05-07 · 3 obs
○ 2026-02-27 05:09:24
○ 2026-06-22 21:23:50
○NSns-cloud-e4.googledomains.com2018-05-07 → 2018-05-07 · 3 obs
○ 2026-02-27 05:09:24
○ 2026-06-22 21:23:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| substackmail.com | ns-345.awsdns-43.com, ns-906.awsdns-49.net, ns-1624.awsdns-11.co.uk, ns-1436.awsdns-51.org | 2 records |
✅ Authoritative Response
Server:205.251.195.138
NS records: ns-345.awsdns-43.com, ns-906.awsdns-49.net, ns-1624.awsdns-11.co.uk, ns-1436.awsdns-51.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substackmail.com (unsigned zone)
⏱️ Timing
Total: 402ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1436.awsdns-51.org, ns-1624.awsdns-11.co.uk... |
| SOA | 1 | ns-345.awsdns-43.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-345.awsdns-43.com, ns-345.awsdns-43.com)
Analysis
Name Servers
The domain substackmail.com is delegated to these four name servers: ns-345.awsdns-43.com, ns-906.awsdns-49.net, ns-1436.awsdns-51.org and ns-1624.awsdns-11.co.uk.
substackmail.com shares at least some of its name servers with other domains, including customysocks.com, cjvdfw.com, swagbuckslive.com and two others.
The host names ns-345.awsdns-43.com, ns-906.awsdns-49.net, ns-1436.awsdns-51.org and ns-1624.awsdns-11.co.uk each resolve to two IP addresses: ns-345.awsdns-43.com resolves to 205.251.193.89 and 2600:9000:5301:5900::1; ns-906.awsdns-49.net resolves to 205.251.195.138 and 2600:9000:5303:8a00::1; ns-1436.awsdns-51.org resolves to 205.251.197.156 and 2600:9000:5305:9c00::1; ns-1624.awsdns-11.co.uk resolves to 205.251.198.88 and 2600:9000:5306:5800::1.