gtbizclass.com - robtex.com
gtbizclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.56.206.195🇺🇸 USZNI-AS-AP207.56.192.0/20 | ||||||
| NS | ns1.biz.rr.com ⭐ | ||||||
| A | 69.134.7.5🇺🇸 CHARTER_COMMUNICATIONS-BB69.134.0.0/17 RR-Route | ||||||
| PTR | dns1.rr.com | ||||||
| NS | dns4.rr.com | ||||||
| A | 69.134.7.8🇺🇸 CHARTER_COMMUNICATIONS-BB69.134.0.0/17 RR-Route | ||||||
| PTR | dns4.rr.com | ||||||
| NS | ns2.biz.rr.com | ||||||
| A | 69.134.147.5🇺🇸 CHARTER_COMMUNICATIONS-BB69.134.144.0/20 | ||||||
| PTR | dns2.rr.com | ||||||
| MX | mx1.biz.rr.com ⭐ | ||||||
| A | 47.43.26.67🇺🇸 RoadRunner47.43.24.0/21 | ||||||
| PTR | p-bc5-iedge-vip.rr.com.msg.pkvw.co.charter.net | ||||||
| MX | mx2.biz.rr.com ⭐ | ||||||
| A | 47.43.26.68🇺🇸 RoadRunner47.43.24.0/21 | ||||||
| PTR | p-bc5-iedge-2-vip.rr.com.msg.pkvw.co.charter.net | ||||||
| TXT | v=spf1 include:_spf.twcbc.com ~all | ||||||
| SOA | ns1.biz.rr.comhostmaster@charter.com serial=2025060000 | ||||||
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=1776176232 | ||||||
Subdomains
www.gtbizclass.com |
Same first word
gtbizclass.com |
DNS History
6 records (6 active, 0 former)
●NSns1.biz.rr.com2015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 14:42:54
●NSns2.biz.rr.com2015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 14:42:54
●MXmx1.biz.rr.com2015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 14:42:54
●MXmx2.biz.rr.com2015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 14:42:54
●A207.56.206.1952015-07-11 → 2026-04-14 · 2 obs
● 2026-04-14 14:42:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net... | - |
| gtbizclass.com | ns1.biz.rr.com, ns2.biz.rr.com, dns4.rr.com | 3 records |
✅ Authoritative Response
Server:69.134.147.5
NS records: ns1.biz.rr.com, ns2.biz.rr.com, dns4.rr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gtbizclass.com (unsigned zone)
⏱️ Timing
Total: 304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.56.206.195 |
| NS | 3 | ns2.biz.rr.com, dns4.rr.com... |
| MX | 2 | mx1.biz.rr.com (pri: 10), mx2.biz.rr.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.twcbc.com ~all |
| SOA | 1 | ns1.biz.rr.com hostmaster.charter.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.biz.rr.com, ns2.biz.rr.com, dns4.rr.com)
Analysis
Hierarchy
The parent of www.gtbizclass.com is gtbizclass.com.
IP Addresses
gtbizclass.com points to IP number: 207.56.206.195.
Other host names, for instance www.gtbizclass.com share IP numbers with gtbizclass.com.
Name Servers
gtbizclass.com is delegated to three name servers: dns4.rr.com, ns1.biz.rr.com and ns2.biz.rr.com.
gtbizclass.com at least partially shares name servers with other domains, for instance twc-catering-group.com, rgkg.com, twcbcstore.com, nietoinjurylaw.com and fsbstax.com.
Host names with a single IP:
dns4.rr.com points to: 69.134.7.8.
ns1.biz.rr.com points to: 69.134.7.5.
ns2.biz.rr.com points to: 69.134.147.5.
Mail Servers
gtbizclass.com is handled by two mail servers: mx1.biz.rr.com and mx2.biz.rr.com.
The mail server setup for gtbizclass.com matches that of other domains, for instance austin-texas-dwi-defense.com, nycamspizza.com, oromfg.com, georg.twcbc.com and pjscorr.com.
gtbizclass.com shares some mail servers with other domains, at least in part, for instance louisvillenewyork.com.
Host names with a single IP:
mx1.biz.rr.com points to 47.43.26.67.
mx2.biz.rr.com points to 47.43.26.68.