lettersecurity.com - robtex.com
lettersecurity.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=1774626027 | ||||||
Same first word
lettersecurity.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns63.domaincontrol.com2026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●NSns64.domaincontrol.com2026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●MXmail.protonmail.ch2026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●MXmailsec.protonmail.ch2026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●A185.199.108.1532026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●A185.199.109.1532026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●A185.199.110.1532026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
●A185.199.111.1532026-03-01 → 2026-03-27 · 2 obs
● 2026-03-27 16:06:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| lettersecurity.com | ns63.domaincontrol.com, ns64.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.42
NS records: ns63.domaincontrol.com, ns64.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lettersecurity.com (unsigned zone)
⏱️ Timing
Total: 299ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.108.153, 185.199.109.153... |
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 1 | protonmail-verification=34b12ac0b64fcdf4 |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)
Analysis
IP Addresses
lettersecurity.com refers to four IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
Other host names, for instance johann-s.github.io, receivedfollowing.github.io, apptainer.org, trademany.com and codeisjoy.com share IP numbers with lettersecurity.com.
Name Servers
lettersecurity.com's delegation uses two name servers: ns63.domaincontrol.com and ns64.domaincontrol.com.
lettersecurity.com uses the same name server setup as other domains, such as ciaramulvaney.com, franz-weber.at, ritapateljackson.com, fig33.info and adrpatient.com.
Host names with two IPs:
ns63.domaincontrol.com points to 2603:5:2154::2a and 97.74.101.42
ns64.domaincontrol.com points to 2603:5:2254::2a and 173.201.69.42
Mail Servers
lettersecurity.com is served by two mail servers mail.protonmail.ch and mailsec.protonmail.ch.
lettersecurity.com shares the same mail server setup as other domains, for instance reifnir.com, unicrotarex.com, 4nettech.com, frozyn.net and dlti.me.
lettersecurity.com shares at least some mail servers with other domains, for example rolobar.com, helix.st, felyse.com, portraitvision.info and paulspares.com.
Host names with three IP numbers:
The host name mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128.
The host name mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.