mailzone.co - robtex.com
mailzone.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759619206 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.dnsimple.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 04:09:16
●NSns2.dnsimple.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 04:09:16
●NSns3.dnsimple.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 04:09:16
●NSns4.dnsimple.com2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 04:09:16
○MXoxmail1.registrar-servers.com2015-07-20 → 2019-12-31 · 4 obs
● 2019-12-31 22:46:08
○ 2026-03-25 23:25:52
○ 2026-03-27 04:09:16
○MXoxmail2.registrar-servers.com2015-07-20 → 2019-12-31 · 4 obs
● 2019-12-31 22:46:08
○ 2026-03-25 23:25:52
○ 2026-03-27 04:09:16
○A178.62.87.852015-07-20 → 2019-12-31 · 4 obs
● 2019-12-31 22:46:08
○ 2026-03-25 23:25:52
○ 2026-03-27 04:09:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| mailzone.co | ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com | - |
✅ Authoritative Response
Server:162.159.24.4
NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at co: Error: DNS query timeout: 194.169.218.57 for DNSKEY co
⏱️ Timing
Total: 3315ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
mailzone.co is delegated to four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.
mailzone.co shares some name servers with other domains, for example lokali.se, floridamasters.co.uk, autobutler.be, percyharper.com and salesprocess.io.
These name servers are commonly used together with ns4.dnsimple-edge.org and ns2.dnsimple-edge.net.
Host names with two IP numbers
Two IPs per host:
ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4
ns2.dnsimple.com points to 2620:111:8005::53 and 199.247.153.53
ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4
ns4.dnsimple.com points to 2620:111:8007::53 and 199.247.155.53