four21.com - dns.ninja
four21.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=1785530747 | ||||||
Same first word
four21.com |
Similar names
DNS History
16 records (8 active, 8 former)
●NSns1.giow1101.siteground.us2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
○NSns1.ipower.com2015-07-06 → 2020-01-15 · 7 obs
● 2016-01-04 08:44:40
○ 2016-03-28 06:54:28
● 2016-08-08 11:11:24
● 2020-01-15 13:50:58
○ 2026-04-04 19:27:38
○ 2026-07-31 21:02:44
●NSns1.siteground.net2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
●NSns2.giow1101.siteground.us2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
○NSns2.ipower.com2015-07-06 → 2020-01-15 · 7 obs
● 2016-01-04 08:44:40
○ 2016-03-28 06:54:28
● 2016-08-08 11:11:24
● 2020-01-15 13:50:58
○ 2026-04-04 19:27:38
○ 2026-07-31 21:02:44
●NSns2.siteground.net2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
○NSsk.s5.ans1.ns122.ztomy.com2016-03-28 → 2016-03-28 · 4 obs
● 2016-03-28 06:54:28
○ 2016-08-08 11:11:24
○ 2026-07-31 21:02:44
○NSsk.s5.ans2.ns122.ztomy.com2016-03-28 → 2016-03-28 · 4 obs
● 2016-03-28 06:54:28
○ 2016-08-08 11:11:24
○ 2026-07-31 21:02:44
○MXmx.four21.com2015-07-06 → 2020-01-15 · 7 obs
● 2016-01-04 08:44:40
○ 2016-03-28 06:54:28
● 2016-08-08 11:11:24
● 2020-01-15 13:50:58
○ 2026-04-04 19:27:38
○ 2026-07-31 21:02:44
●MXmx10.antispam.mailspamprotection.com2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
●MXmx20.antispam.mailspamprotection.com2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
●MXmx30.antispam.mailspamprotection.com2026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
○A208.91.197.442016-03-28 → 2016-03-28 · 4 obs
● 2016-03-28 06:54:28
○ 2016-08-08 11:11:24
○ 2026-07-31 21:02:44
●A35.212.92.352026-04-04 → 2026-07-31 · 3 obs
● 2026-04-04 19:27:38
● 2026-07-31 21:02:44
○A66.96.130.652015-07-06 → 2016-01-04 · 4 obs
● 2016-01-04 08:44:40
○ 2016-03-28 06:54:28
○ 2026-07-31 21:02:44
○A66.96.149.12016-08-08 → 2020-01-15 · 5 obs
● 2016-08-08 11:11:24
● 2020-01-15 13:50:58
○ 2026-04-04 19:27:38
○ 2026-07-31 21:02:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| four21.com | ns1.giow1101.siteground.us, ns2.giow1101.siteground.us | - |
✅ Authoritative Response
Server:99.83.229.113
NS records: ns1.giow1101.siteground.us, ns2.giow1101.siteground.us
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for four21.com (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.212.92.35 |
| NS | 2 | ns2.siteground.net, ns1.siteground.net |
| MX | 3 | mx10.antispam.mailspamprotection.com (pr, mx30.antispam.mailspamprotection.com (pr... |
| TXT | 2 | _dmarc.four21.com IN TXT 18000 v=DMARC1;, v=spf1 +a +mx +ip4:35.212.76.216 includ |
| SOA | 1 | ns1.siteground.net root.giow1101.sitegro |
Analysis
IP Addresses
four21.com directs to one IP number, which is 35.212.92.35.
Among the host names that share IP numbers with four21.com are alfaazphotography.com, carolinaprosweep.com, sharevance.com and two others.
Name Servers
The domain four21.com is delegated to these four name servers: ns1.siteground.net, ns2.siteground.net, ns1.giow1101.siteground.us and ns2.giow1101.siteground.us.
There is at least partial name server overlap between four21.com and other domains — etienneastier.com, aluscreativos.com.ar, yespleaseproductions.com and two more among them.
Of the four host names ns1.siteground.net, ns2.siteground.net, ns1.giow1101.siteground.us and ns2.giow1101.siteground.us, each resolves to a single IP address: ns1.siteground.net to 75.2.77.104, ns2.siteground.net to 99.83.229.113, ns1.giow1101.siteground.us to 75.2.77.104 and ns2.giow1101.siteground.us to 99.83.229.113.
ns1.siteground.net and ns1.giow1101.siteground.us each have 75.2.77.104 IP addresses.
ns2.siteground.net and ns2.giow1101.siteground.us each have 99.83.229.113 IP addresses.
Mail Servers
Incoming mail for four21.com is delivered via three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.
four21.com shares at least some of its mail servers with other domains — for example spot-m.com, drawme.com, cultyocio.es and two more.
mx10.antispam.mailspamprotection.com has IP address 34.149.79.66, mx20.antispam.mailspamprotection.com has IP address 34.120.156.61 and mx30.antispam.mailspamprotection.com has IP address 34.111.121.216 — one address each.