fourbythree.com - dns.ninja
fourbythree.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.188.193.219🇺🇸 Jacksonville206.188.193.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| PTR | vux.netsolhost.com | ||||||
| NS | ns73.worldnic.com ⭐ | ||||||
| A | 162.159.26.27Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns74.worldnic.com | ||||||
| A | 162.159.27.78Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx001.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.128🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx31.oxsus-vadesecure.net | ||||||
| MX | mx002.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.129🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx32.oxsus-vadesecure.net | ||||||
| TXT | v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all | ||||||
| SOA | NS73.WORLDNIC.comnamehost@WORLDNIC.com serial=126060516 | ||||||
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=1786235974 | ||||||
Subdomains
mail.fourbythree.com |
Same first word
fourbythree.co.uk |
fourbythree.com |
DNS History
10 records (5 active, 5 former)
●NSns73.worldnic.com2026-07-03 → 2026-08-09 · 3 obs
● 2026-07-03 10:56:44
● 2026-08-09 01:05:00
●NSns74.worldnic.com2026-07-03 → 2026-08-09 · 3 obs
● 2026-07-03 10:56:44
● 2026-08-09 01:05:00
○NSnserv0.domainexpress.co.uk2015-06-01 → 2017-06-13 · 4 obs
● 2017-06-13 01:40:56
○ 2026-07-03 10:56:44
○ 2026-08-09 01:05:00
○NSnserv1.domainexpress.co.uk2015-06-01 → 2017-06-13 · 4 obs
● 2017-06-13 01:40:56
○ 2026-07-03 10:56:44
○ 2026-08-09 01:05:00
○MXmail.fourbythree.com2015-06-01 → 2017-06-13 · 4 obs
● 2017-06-13 01:40:56
○ 2026-07-03 10:56:44
○ 2026-08-09 01:05:00
●MXmx001.netsol.xion.oxcs.net2026-07-03 → 2026-08-09 · 3 obs
● 2026-07-03 10:56:44
● 2026-08-09 01:05:00
●MXmx002.netsol.xion.oxcs.net2026-07-03 → 2026-08-09 · 3 obs
● 2026-07-03 10:56:44
● 2026-08-09 01:05:00
●A206.188.193.2192026-07-03 → 2026-08-09 · 3 obs
● 2026-07-03 10:56:44
● 2026-08-09 01:05:00
○A209.17.116.1602026-07-03 → 2026-08-09 · 2 obs
○ 2026-08-09 01:05:00
○A91.222.9.102015-06-01 → 2017-06-13 · 4 obs
● 2017-06-13 01:40:56
○ 2026-07-03 10:56:44
○ 2026-08-09 01:05:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| fourbythree.com | ns73.worldnic.com, ns74.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.78
NS records: ns73.worldnic.com, ns74.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fourbythree.com (unsigned zone)
⏱️ Timing
Total: 263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.188.193.219 |
| NS | 2 | ns74.worldnic.com, ns73.worldnic.com |
| MX | 2 | mx001.netsol.xion.oxcs.net (pri: 10), mx002.netsol.xion.oxcs.net (pri: 10) |
| TXT | 1 | v=spf1 include:spf.registeredsite.com in |
| SOA | 1 | NS73.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns73.worldnic.com, ns74.worldnic.com)
Analysis
Hierarchy
mail.fourbythree.com is a subdomain of fourbythree.com.
IP Addresses
fourbythree.com has exactly one IP address — 206.188.193.219.
sheplock.net, allied-transmission.com, pallazolabrothers.com plus two other host names have IP numbers in common with fourbythree.com.
Name Servers
fourbythree.com is served by two delegated name servers, ns73.worldnic.com and ns74.worldnic.com.
The name server configuration of fourbythree.com is shared with other domains, for instance quincerestaurant.com, netsunlimited.net, 595z.com and two others.
The DNS delegation for fourbythree.com at least partly coincides with that of other domains, nationalcrane.media being one example.
Both ns73.worldnic.com and ns74.worldnic.com have a single IP address each — ns73.worldnic.com resolves to 162.159.26.27 while ns74.worldnic.com resolves to 162.159.27.78.
Mail Servers
fourbythree.com uses two mail servers, mx001.netsol.xion.oxcs.net and mx002.netsol.xion.oxcs.net.
The mail server setup of fourbythree.com matches that of other domains such as wolfstylestore.com, calandrajones.com, nd-tex.com and two others.
At least some of the mail servers used by fourbythree.com are shared with other domains: aapa.info, markdunsford.com, anngarrett.com and two others among them.
The mail servers mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net are commonly paired with these mail servers.
Both mx001.netsol.xion.oxcs.net and mx002.netsol.xion.oxcs.net have a single IP address each — mx001.netsol.xion.oxcs.net resolves to 173.45.18.128 while mx002.netsol.xion.oxcs.net resolves to 173.45.18.129.