4os.us - robtex.com
4os.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.241.217.69🇺🇸 ORACLE-OCI-31898162.241.216.0/22 Google | ||||||
| PTR | box5464.bluehost.com | ||||||
| NS | ns1.bluehost.com ⭐ | ||||||
| A | 162.159.24.80Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.bluehost.com | ||||||
| NS | ns2.bluehost.com | ||||||
| A | 162.159.25.175Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.bluehost.com | ||||||
| MX | 4os.us ⭐ | ||||||
| A | 162.241.217.69🇺🇸 ORACLE-OCI-31898162.241.216.0/22 Google | ||||||
| PTR | box5464.bluehost.com | ||||||
| TXT | v=spf1 a mx ptr include:bluehost.com ?all | ||||||
| SOA | ns1.bluehost.comdnsadmin@box5464.bluehost.com 2026-08-14 #0 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1786697814 | ||||||
MX for
4os.us |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.bluehost.com2015-07-04 → 2026-08-14 · 2 obs
● 2026-08-14 09:19:22
●NSns2.bluehost.com2015-07-04 → 2026-08-14 · 2 obs
● 2026-08-14 09:19:22
●MX4os.us2015-07-04 → 2026-08-14 · 2 obs
● 2026-08-14 09:19:22
●A162.241.217.692020-04-11 → 2026-08-14 · 3 obs
● 2020-04-11 04:42:00
● 2026-08-14 09:19:22
○A69.89.27.2452015-07-04 → 2017-02-18 · 4 obs
● 2017-02-18 02:25:52
○ 2020-04-11 04:42:00
○ 2026-08-14 09:19:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | k.cctld.us, m.cctld.us, b.cctld.us, n.cctld.us... | - |
| 4os.us | ns2.bluehost.com, ns1.bluehost.com | - |
✅ Authoritative Response
Server:162.159.24.80
NS records: ns2.bluehost.com, ns1.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4os.us (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.241.217.69 |
| NS | 2 | ns1.bluehost.com, ns2.bluehost.com |
| MX | 1 | 4os.us (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:bluehost.com ?al |
| SOA | 1 | ns1.bluehost.com dnsadmin.box5464.blueho |
Analysis
Mail Server Role
4os.us acts as its own mail server.
IP Addresses
4os.us points to a single IP number: 162.241.217.69.
Additional host names — mail.waterfordweaversguild.org, mail.crepecoop.com, mail.crowcottagepublishing.com and two others — share IP numbers with 4os.us.
Name Servers
DNS delegation for 4os.us points to two name servers: ns1.bluehost.com and ns2.bluehost.com.
4os.us shares its name server setup with other domains, including burrier-queenvideo.com, grannysmithcousins.com, ss-engr.com and two others.
4os.us partially shares its name servers with domains like almaupdate.com and iawp.org.
ns1.bluehost.com resolves to 162.159.24.80. ns2.bluehost.com resolves to 162.159.25.175. Both host names point to a single IP number.
Mail Servers
4os.us has a single mail server: 4os.us itself.
4os.us has exactly one IP number: 162.241.217.69.