4fusa.com - robtex.com
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4fusa.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=1770918430 | ||||||
Up
mail.4fusa.com |
Same first word
4fusa.com |
Similar names
DNS History
14 records (7 active, 7 former)
●NSlaura.ns.cloudflare.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
○NSns1.nazwa.pl2016-12-19 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
○NSns2.nazwa.pl2016-12-19 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
○NSns3.nazwa.pl2016-12-19 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
●NSosmar.ns.cloudflare.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
●MXmail.4fusa.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
○MXmail.otcf.pl2016-12-19 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
●A104.21.87.1812026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
●A172.67.170.1292026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
○A178.216.201.2502020-01-15 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
○A178.216.202.1042020-01-15 → 2020-01-15 · 4 obs
● 2020-01-15 23:32:34
○ 2026-02-15 10:58:54
○ 2026-02-15 17:47:00
●A2606:4700:3037::6815:57b52026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
●A2606:4700:3037::ac43:aa812026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 10:58:54
● 2026-02-15 17:47:00
○A85.128.217.1712016-12-19 → 2016-12-19 · 3 obs
○ 2020-01-15 23:32:34
○ 2026-02-15 17:47:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net... | - |
| 4fusa.com | laura.ns.cloudflare.com, osmar.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.195.124
NS records: laura.ns.cloudflare.com, osmar.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4fusa.com (unsigned zone)
⏱️ Timing
Total: 146ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.170.129, 104.21.87.181 |
| AAAA | 2 | 2606:4700:3037::6815:57b5, 2606:4700:3037::ac43:aa81 |
| NS | 2 | laura.ns.cloudflare.com, osmar.ns.cloudflare.com |
| MX | 1 | mail.4fusa.com (pri: 1) |
| TXT | 3 | apple-domain-verification=5RmsANLkX6wQPd, google-site-verification=P3KMlI_FEP3CCM3... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | laura.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (laura.ns.cloudflare.com, laura.ns.cloudflare.com, laura.ns.cloudflare.com...)
AI analysis
4fusa.com is the parent of mail.4fusa.com.
4fusa.com resolves to four IPs: 2606:4700:3037::6815:57b5, 2606:4700:3037::ac43:aa81, 104.21.87.181 and 172.67.170.129.
Other host names, for instance kanpur.shiksha, gradprograms.com, www.10minutemail.org, coolandwacky.us and llpol.cn share IP numbers with 4fusa.com.
4fusa.com has two name servers: laura.ns.cloudflare.com and osmar.ns.cloudflare.com.
4fusa.com shares the same name server setup as other domains, for example bognetforcongress.net, 4fstore.ru, jimbognet.org, bognetforcongress.com and jimbognet.com.
4fusa.com shares some name servers with other domains, for example everris.ro, fenwalinc.cn, 1wgtwm.life, australdowns.com.au and ampwl.com.
These name servers are commonly used with leia.ns.cloudflare.com, augustus.ns.cloudflare.com, addyson.ns.cloudflare.com, carter.ns.cloudflare.com and ainsley.ns.cloudflare.com.
Host names with six IP numbers: laura.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183; osmar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7c, 2803:f800:50::6ca2:c37c, 2a06:98c1:50::ac40:237c, 108.162.195.124, 162.159.44.124 and 172.64.35.124.
4fusa.com is handled by a single mail server, mail.4fusa.com.
Host name mail.4fusa.com resolves to three IP numbers: 83.142.187.84, 83.142.187.85 and 85.14.86.249.