firstdallas.com - robtex.com
firstdallas.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=1771291435 | ||||||
Subdomains
owa.firstdallas.com |
Same first word
firstdallas.org |
firstdallas.com |
DNS History
13 records (5 active, 8 former)
○NSns-1073.awsdns-06.org2015-08-07 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
○NSns-1776.awsdns-30.co.uk2015-08-07 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
○NSns-468.awsdns-58.com2015-08-07 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
○NSns-866.awsdns-44.net2015-08-07 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
●NSns67.domaincontrol.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:39:56
● 2026-03-15 19:57:26
●NSns68.domaincontrol.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:39:56
● 2026-03-15 19:57:26
●MXfirstdallas-com.mail.protection.outlook.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:39:56
● 2026-03-15 19:57:26
○MXfm.architel.us2015-08-07 → 2017-01-29 · 4 obs
● 2017-01-29 14:31:24
○ 2017-05-11 13:13:56
○ 2026-03-15 19:57:26
○MXmx1.hodgescapital.com2017-05-11 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
○A198.71.233.1972017-05-11 → 2017-05-11 · 4 obs
● 2017-05-11 13:13:56
○ 2026-02-15 04:39:56
○ 2026-03-15 19:57:26
●A199.60.103.1762026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:39:56
● 2026-03-15 19:57:26
●A199.60.103.762026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:39:56
● 2026-03-15 19:57:26
○A23.229.217.1622015-08-07 → 2017-01-29 · 4 obs
● 2017-01-29 14:31:24
○ 2017-05-11 13:13:56
○ 2026-03-15 19:57:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstdallas.com | ns67.domaincontrol.com, ns68.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 173.201.71.44
NS records: ns67.domaincontrol.com, ns68.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstdallas.com (unsigned zone)
⏱️ Timing
Total: 391ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 199.60.103.76, 199.60.103.176 |
| NS | 2 | ns67.domaincontrol.com, ns68.domaincontrol.com |
| MX | 1 | firstdallas-com.mail.protection.outlook. |
| TXT | 1 | v=spf1 ip4:148.66.200.11 ip4:12.18.117.9 |
| SOA | 1 | ns67.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns67.domaincontrol.com, ns67.domaincontrol.com, ns68.domaincontrol.com...)
Analysis
Hierarchy
firstdallas.com is the parent of owa.firstdallas.com.
IP Addresses
firstdallas.com resolves to two IP numbers: 199.60.103.76 and 199.60.103.176.
other host names including bayton.com.co, ozarkcirque.art, highres.com, verda.se and gmarku.com share IP numbers with firstdallas.com.
Name Servers
firstdallas.com is delegated to two name servers ns67.domaincontrol.com and ns68.domaincontrol.com.
firstdallas.com shares the same name server setup as other domains, for instance jandp.builders, axebat.com, smilingbuddhaconsulting.com, pavlinko.com and level3transactions.com.
Host names with two IP numbers:
The host name ns67.domaincontrol.com points to 2603:5:2174::2c and 97.74.103.44; the host name ns68.domaincontrol.com points to 2603:5:2274::2c and 173.201.71.44.
Mail Servers
firstdallas.com is handled by a single mail server, firstdallas-com.mail.protection.outlook.com.
Host firstdallas-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::b, 2a01:111:f403:f802::3, 2a01:111:f403:f905::4, 2a01:111:f403:f90d::1, 52.101.9.17, 52.101.40.6, 52.101.41.22 and 52.101.194.0.