firsttac.com - robtex.com
firsttac.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.markmonitor.com ⚠️ Not in zone NS records | ||||||
| A | 2620:10a:80a8::1🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.160.1🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns3.markmonitor.com ⚠️ Not in zone NS records | ||||||
| A | 2620:10a:80a9::1🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.161.1🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns5.markmonitor.com ⚠️ Not in zone NS records | ||||||
| A | 2620:10a:80a8::2🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.160.2🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
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=1776113752 | ||||||
Same first word
firsttac.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.markmonitor.com2026-03-26 → 2026-04-13 · 2 obs
● 2026-04-13 21:21:10
●NSns3.markmonitor.com2026-03-26 → 2026-04-13 · 2 obs
● 2026-04-13 21:21:10
●NSns5.markmonitor.com2026-03-26 → 2026-04-13 · 2 obs
● 2026-04-13 21:21:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firsttac.com | ns1.markmonitor.com, ns3.markmonitor.com, ns5.markmonitor.com | 6 records |
✅ Authoritative Response
Server:149.112.160.1
NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns5.markmonitor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firsttac.com (unsigned zone)
⏱️ Timing
Total: 194ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)
Analysis
Name Servers
The delegation for firsttac.com is handled by three name servers: ns1.markmonitor.com, ns3.markmonitor.com and ns5.markmonitor.com.
firsttac.com at least partially shares name servers with other domains, for instance vanguardadvisors.biz, webhousecall.biz, doctorsallergy.com, hamptonadcreative.com and intu.us.
These name servers are commonly used alongside ns4.markmonitor.com, ns2.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.
Two IP numbers per host:
ns1.markmonitor.com points to 2620:10a:80a8::1 and 149.112.160.1.
ns3.markmonitor.com points to 2620:10a:80a9::1 and 149.112.161.1.
ns5.markmonitor.com points to 2620:10a:80a8::2 and 149.112.160.2.