letterheaders.com - robtex.com
letterheaders.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=1774865612 | ||||||
Same first word
letterheaders.com |
DNS History
5 records (5 active, 0 former)
●NSns05.domaincontrol.com2026-03-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:36:34
●NSns06.domaincontrol.com2026-03-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:36:34
●MXletterheaders-com.mail.protection.outlook.com2026-03-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:36:34
●A13.248.243.52026-03-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:36:34
●A76.223.105.2302026-03-22 → 2026-03-30 · 2 obs
● 2026-03-30 10:36:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| letterheaders.com | ns05.domaincontrol.com, ns06.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.70.3
NS records: ns05.domaincontrol.com, ns06.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for letterheaders.com (unsigned zone)
⏱️ Timing
Total: 82ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns05.domaincontrol.com, ns06.domaincontrol.com |
| MX | 1 | letterheaders-com.mail.protection.outloo |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, v=verifydomain MS=1659686 |
| SOA | 1 | ns05.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns05.domaincontrol.com, ns05.domaincontrol.com, ns06.domaincontrol.com...)
Analysis
IP Addresses
letterheaders.com resolves to two IP numbers: 13.248.243.5 and 76.223.105.230.
other host names including upholsterersonline.com, arcfusion.net, carlobos.ca, acquisllc.com and coylelawqc.com share IP numbers with letterheaders.com.
Name Servers
letterheaders.com is delegated to two name servers ns05.domaincontrol.com and ns06.domaincontrol.com.
letterheaders.com shares the same name server setup as other domains, for instance pcel.in, webniversity.com, chapelhillfloristnc.com, voicedmagazine.com and preziosistore.com.
letterheaders.com at least partially shares name servers with other domains, for instance hbianchi.cl.
Host names with two IP numbers:
The host name ns05.domaincontrol.com points to 2603:5:2160::3 and 97.74.102.3; the host name ns06.domaincontrol.com points to 2603:5:2260::3 and 173.201.70.3.
Mail Servers
letterheaders.com is handled by a single mail server, letterheaders-com.mail.protection.outlook.com.
Host letterheaders-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c902::4, 2a01:111:f403:f905::3, 2a01:111:f403:f90a::, 40.93.192.1, 52.101.9.14, 52.101.41.58 and 52.101.194.12.