fourblock.com - dns.ninja
fourblock.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.17.116.163🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| NS | dns101.register.com ⭐ | ||||||
| A | 162.159.24.117Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dns102.register.com | ||||||
| A | 162.159.25.158Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx01.register.com ⭐ | ||||||
| A | 209.17.115.10🇺🇸 Jacksonville209.17.115.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| MX | mx03.register.com ⭐ | ||||||
| A | 209.17.115.10🇺🇸 Jacksonville209.17.115.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| TXT | v=spf1 include:spf.registeredsite.com -all | ||||||
| SOA | DNS101.REGISTER.comroot@REGISTER.com serial=126063010 | ||||||
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=1785027632 | ||||||
Same first word
fourblock.com |
fourblock.org |
DNS History
11 records (5 active, 6 former)
○NSdns010.d.register.com2015-06-06 → 2017-04-01 · 4 obs
● 2017-04-01 12:11:46
○ 2026-07-05 07:14:20
○ 2026-07-26 01:17:32
○NSdns050.c.register.com2015-06-06 → 2017-04-01 · 4 obs
● 2017-04-01 12:11:46
○ 2026-07-05 07:14:20
○ 2026-07-26 01:17:32
●NSdns101.register.com2026-07-05 → 2026-07-26 · 3 obs
● 2026-07-05 07:14:20
● 2026-07-26 01:17:32
●NSdns102.register.com2026-07-05 → 2026-07-26 · 3 obs
● 2026-07-05 07:14:20
● 2026-07-26 01:17:32
○NSdns195.a.register.com2015-06-06 → 2017-04-01 · 4 obs
● 2017-04-01 12:11:46
○ 2026-07-05 07:14:20
○ 2026-07-26 01:17:32
○NSdns212.b.register.com2015-06-06 → 2017-04-01 · 4 obs
● 2017-04-01 12:11:46
○ 2026-07-05 07:14:20
○ 2026-07-26 01:17:32
●MXmx01.register.com2015-06-06 → 2026-07-26 · 2 obs
● 2026-07-26 01:17:32
●MXmx03.register.com2015-06-06 → 2026-07-26 · 2 obs
● 2026-07-26 01:17:32
○A205.178.189.1312026-07-05 → 2026-07-26 · 2 obs
○ 2026-07-26 01:17:32
●A209.17.116.1632026-07-05 → 2026-07-26 · 3 obs
● 2026-07-05 07:14:20
● 2026-07-26 01:17:32
○A216.21.224.1992015-06-06 → 2017-04-01 · 4 obs
● 2017-04-01 12:11:46
○ 2026-07-05 07:14:20
○ 2026-07-26 01:17:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| fourblock.com | dns101.register.com, dns102.register.com | 2 records |
✅ Authoritative Response
Server:162.159.24.117
NS records: dns101.register.com, dns102.register.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fourblock.com (unsigned zone)
⏱️ Timing
Total: 322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.17.116.163 |
| NS | 2 | dns101.register.com, dns102.register.com |
| MX | 2 | mx03.register.com (pri: 10), mx01.register.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.registeredsite.com -a |
| SOA | 1 | DNS101.REGISTER.com root.REGISTER.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)
Analysis
IP Addresses
fourblock.com resolves to just one IP address, 209.17.116.163.
Two other host names, along with mail.optifacts.com, duncanhood.com and metsclub.com, also share IP numbers with fourblock.com.
Name Servers
The NS records for fourblock.com delegate to dns101.register.com and dns102.register.com.
fourblock.com shares its NS records with other domains, for example pristinecustomjewelry.com, vystar.net, arabmediasociety.com and two others.
fourblock.com and other domains like vives.com share at least a portion of their name servers.
Each of dns101.register.com and dns102.register.com has one IP address: dns101.register.com uses 162.159.24.117 and dns102.register.com uses 162.159.25.158.
Mail Servers
fourblock.com is served by two mail servers, mx01.register.com and mx03.register.com.
Among the domains sharing a mail server setup with fourblock.com are morefieldservices.com, architravedesigns.com, streamlinedirons.com and two others.
There is at least a partial MX overlap between fourblock.com and other domains, including wildlyorganized.com, assertiveminds.com, landchoices.org and two others.
These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
Each of mx01.register.com and mx03.register.com points to exactly one IP address: 209.17.115.10.
mx01.register.com and mx03.register.com each have 209.17.115.10 IP addresses.