521tech.com - dns.ninja
521tech.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=1786519119 | ||||||
Same first word
521tech.com |
Similar names
DNS History
16 records (9 active, 7 former)
○NSa.dns.gandi.net2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
○NSb.dns.gandi.net2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
○NSc.dns.gandi.net2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
●NSns53.domaincontrol.com2026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
●NSns54.domaincontrol.com2026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
●MXalt1.aspmx.l.google.com2015-06-23 → 2026-08-12 · 2 obs
● 2026-08-12 07:36:50
●MXalt2.aspmx.l.google.com2015-06-23 → 2026-08-12 · 2 obs
● 2026-08-12 07:36:50
●MXalt3.aspmx.l.google.com2026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
●MXalt4.aspmx.l.google.com2026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
●MXaspmx.l.google.com2015-06-23 → 2026-08-12 · 2 obs
● 2026-08-12 07:36:50
○MXaspmx2.googlemail.com2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
○MXaspmx3.googlemail.com2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
○MXaspmx5.googlemail.com2015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
●A15.197.225.1282026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
●A3.33.251.1682026-03-18 → 2026-08-12 · 3 obs
● 2026-03-18 14:52:52
● 2026-08-12 07:36:50
○A54.69.210.602015-06-23 → 2018-01-13 · 4 obs
● 2018-01-13 06:41:20
○ 2026-03-18 14:52:52
○ 2026-08-12 07:36:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 521tech.com | ns53.domaincontrol.com, ns54.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.74.27
NS records: ns53.domaincontrol.com, ns54.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 521tech.com (unsigned zone)
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns53.domaincontrol.com, ns54.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | ns53.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)
Analysis
IP Addresses
521tech.com directs to two IP numbers, 3.33.251.168 and 15.197.225.128
karmadallas.com, 1483newton.com, drmirisse.com plus two other host names have IP numbers in common with 521tech.com.
Name Servers
521tech.com is delegated to two name servers: ns53.domaincontrol.com and ns54.domaincontrol.com.
The name server configuration of 521tech.com is shared with other domains, for instance wendyreitz.com, placemarket.com, sandiegos.com and two others.
ns53.domaincontrol.com and ns54.domaincontrol.com each resolve to two IP addresses: ns53.domaincontrol.com points to 97.74.106.27 and 2603:5:21a2::1b, while ns54.domaincontrol.com points to 173.201.74.27 and 2603:5:22a2::1b.
Mail Servers
Mail for 521tech.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by 521tech.com are shared with other domains: centralstudios.org.au, bcs-solutions.pl, ns500754.ns500731.ns500731.ns500754.ns500704.ns500731.ns500671.ns500704.ns500688.ns500678.ns500688.ns500671.ns500678.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com points to 142.251.163.26 and 2607:f8b0:4004:c1d::1a.
alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.