usftf.com - dns.ninja
usftf.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| 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=1780597289 | ||||||
Same first word
usftf.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.biz.rr.com2016-12-14 → 2026-06-04 · 2 obs
● 2026-06-04 18:38:08
●NSns2.biz.rr.com2016-12-14 → 2026-06-04 · 2 obs
● 2026-06-04 18:38:08
●MXmx1.biz.rr.com2016-12-14 → 2026-06-04 · 2 obs
● 2026-06-04 18:38:08
●MXmx2.biz.rr.com2016-12-14 → 2026-06-04 · 2 obs
● 2026-06-04 18:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| usftf.com | ns1.biz.rr.com, ns2.biz.rr.com, dns4.rr.com | 3 records |
✅ Authoritative Response
Server:69.134.7.5
NS records: ns1.biz.rr.com, ns2.biz.rr.com, dns4.rr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usftf.com (unsigned zone)
⏱️ Timing
Total: 122ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | dns4.rr.com, ns1.biz.rr.com... |
| MX | 2 | mx2.biz.rr.com (pri: 10), mx1.biz.rr.com (pri: 10) |
| 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
Name Servers
Three name servers are authoritative for usftf.com: dns4.rr.com, ns1.biz.rr.com and ns2.biz.rr.com.
There is at least partial name server overlap between usftf.com and other domains — specweld.com, delmar.ca.us, lexingtan.com and two more among them.
These name servers are routinely deployed together with the name servers webserv.gulfcoastmedicalcenter.net.
Three hostnames, one IP address apiece: dns4.rr.com resolves to 69.134.7.8, ns1.biz.rr.com resolves to 69.134.7.5 and ns2.biz.rr.com resolves to 69.134.147.5.
Mail Servers
The MX records for usftf.com point to two mail servers: mx1.biz.rr.com and mx2.biz.rr.com.
usftf.com has the same mail server arrangement as a number of other domains, for example iam1720.org, twommfg.com, undios.com and two more.
usftf.com shares at least some of its mail servers with other domains — for example allaboutconst.net, gallivanins.com, olneymachinery.com and two more.
These mail servers are routinely found in combination with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mx1.biz.rr.com → 47.43.26.67 and mx2.biz.rr.com → 47.43.26.68: one IP number per host name.