doublezero.com - dns.ninja
doublezero.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=1782360780 | ||||||
Previously MX for
Subdomains
Same first word
DNS History
18 records (10 active, 8 former)
●NSns1-02.azure-dns.com2017-11-28 → 2026-06-25 · 3 obs
● 2017-11-28 09:05:50
● 2026-06-25 04:29:38
○NSns1.doublezero.co2015-12-04 → 2017-01-01 · 5 obs
● 2015-12-04 13:04:14
● 2017-01-01 00:42:26
○ 2017-11-28 09:05:50
○ 2026-06-25 04:29:38
●NSns2-02.azure-dns.net2017-11-28 → 2026-06-25 · 3 obs
● 2017-11-28 09:05:50
● 2026-06-25 04:29:38
○NSns2.doublezero.co2015-12-04 → 2017-01-01 · 5 obs
● 2015-12-04 13:04:14
● 2017-01-01 00:42:26
○ 2017-11-28 09:05:50
○ 2026-06-25 04:29:38
●NSns3-02.azure-dns.org2017-11-28 → 2026-06-25 · 3 obs
● 2017-11-28 09:05:50
● 2026-06-25 04:29:38
●NSns4-02.azure-dns.info2017-11-28 → 2026-06-25 · 3 obs
● 2017-11-28 09:05:50
● 2026-06-25 04:29:38
○NSns8103.hostgator.com2015-07-21 → 2015-07-21 · 3 obs
○ 2015-12-04 13:04:14
○ 2026-06-25 04:29:38
○NSns8104.hostgator.com2015-07-21 → 2015-07-21 · 3 obs
○ 2015-12-04 13:04:14
○ 2026-06-25 04:29:38
●MXalt1.aspmx.l.google.com2026-04-05 → 2026-06-25 · 3 obs
● 2026-04-05 14:25:12
● 2026-06-25 04:29:38
●MXalt2.aspmx.l.google.com2026-04-05 → 2026-06-25 · 3 obs
● 2026-04-05 14:25:12
● 2026-06-25 04:29:38
●MXalt3.aspmx.l.google.com2026-04-05 → 2026-06-25 · 3 obs
● 2026-04-05 14:25:12
● 2026-06-25 04:29:38
●MXalt4.aspmx.l.google.com2026-04-05 → 2026-06-25 · 3 obs
● 2026-04-05 14:25:12
● 2026-06-25 04:29:38
●MXaspmx.l.google.com2026-04-05 → 2026-06-25 · 3 obs
● 2026-04-05 14:25:12
● 2026-06-25 04:29:38
○MXdoublezero.com2015-07-21 → 2017-01-01 · 4 obs
● 2017-01-01 00:42:26
○ 2017-11-28 09:05:50
○ 2026-06-25 04:29:38
○MXmail.doublezero.com2015-12-04 → 2017-11-28 · 5 obs
● 2015-12-04 13:04:14
● 2017-11-28 09:05:50
○ 2026-04-05 14:25:12
○ 2026-06-25 04:29:38
●A13.91.54.1432017-11-28 → 2026-06-25 · 3 obs
● 2017-11-28 09:05:50
● 2026-06-25 04:29:38
○A192.185.5.742015-07-21 → 2015-07-21 · 3 obs
○ 2015-12-04 13:04:14
○ 2026-06-25 04:29:38
○A67.207.160.1782015-12-04 → 2017-01-01 · 5 obs
● 2015-12-04 13:04:14
● 2017-01-01 00:42:26
○ 2017-11-28 09:05:50
○ 2026-06-25 04:29:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| doublezero.com | ns1-02.azure-dns.com, ns2-02.azure-dns.net | 2 records |
✅ Authoritative Response
Server:13.107.236.2
NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doublezero.com (unsigned zone)
⏱️ Timing
Total: 330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.91.54.143 |
| NS | 4 | ns1-02.azure-dns.com, ns2-02.azure-dns.net... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com include:s |
| SOA | 1 | ns1-02.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-02.azure-dns.com, ns1-02.azure-dns.com)
Analysis
Hierarchy
mail.doublezero.com and www.doublezero.com each fall under doublezero.com as their parent domain.
IP Addresses
doublezero.com resolves to just one IP address, 13.91.54.143.
Further host names like doublezerousa.com and www.doublezero.com overlap in IP numbers with doublezero.com.
Name Servers
The NS records for doublezero.com point to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.
There is at least partial name server overlap between doublezero.com and other domains — microsoftventures.net, plexure-api.net, themicrosoftnetwork.org and two more among them.
All four hostnames — ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org — resolve to two IP numbers apiece: ns1-02.azure-dns.com to 13.107.236.2 and 2603:1061:0:700::2; ns4-02.azure-dns.info to 208.84.5.2 and 2620:1ec:bda:700::2; ns2-02.azure-dns.net to 150.171.21.2 and 2620:1ec:8ec:700::2; ns3-02.azure-dns.org to 204.14.183.2 and 2a01:111:4000:700::2.
Mail Servers
doublezero.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between doublezero.com and other domains, including auksteja.lt, speedyswag.com, ns500742.ns500671.ns500742.ns500742.ns500704.ns500705.ns500671.ns500704.ns500649.ns500291.ns500671.ns500649.ns500291.ns500131.lustychickser.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and aspmx2.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.