nullmx.zenextra.com - robtex.com
nullmx.zenextra.com
| DNSSEC | ⚠️ Not signed | ||||||
zenextra.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns15.hichina.com ⭐ | ||||||
| NS | dns16.hichina.com | ||||||
| SOA | dns15.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
Previously MX for
Same first word
DNS History
8 records (0 active, 8 former)
○NSns1.dnslink.com2015-08-09 → 2016-03-09 · 5 obs
○ 2008-03-17 23:06:30
● 2015-08-09 21:34:38
● 2016-03-09 13:27:08
○ 2016-09-08 10:37:18
○ 2026-07-27 10:35:58
● 2015-08-09 21:34:38
● 2016-03-09 13:27:08
○ 2016-09-08 10:37:18
○ 2026-07-27 10:35:58
○NSns1.uniregistrymarket.link2016-09-08 → 2016-09-08 · 4 obs
○ 2016-03-09 13:27:08
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
○NSns2.dnslink.com2015-08-09 → 2016-03-09 · 5 obs
○ 2008-03-17 23:06:30
● 2015-08-09 21:34:38
● 2016-03-09 13:27:08
○ 2016-09-08 10:37:18
○ 2026-07-27 10:35:58
● 2015-08-09 21:34:38
● 2016-03-09 13:27:08
○ 2016-09-08 10:37:18
○ 2026-07-27 10:35:58
○NSns2.uniregistrymarket.link2016-09-08 → 2016-09-08 · 4 obs
○ 2016-03-09 13:27:08
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
○MXmail.b-io.co2015-08-09 → 2015-11-30 · 5 obs
○ 2008-03-17 23:06:30
● 2015-08-09 21:34:38
● 2015-11-30 10:56:46
○ 2016-03-09 13:27:08
○ 2026-07-27 10:35:58
● 2015-08-09 21:34:38
● 2015-11-30 10:56:46
○ 2016-03-09 13:27:08
○ 2026-07-27 10:35:58
○A209.15.13.1342015-08-09 → 2015-11-30 · 5 obs
○ 2008-03-17 23:06:30
● 2015-08-09 21:34:38
● 2015-11-30 10:56:46
○ 2016-03-09 13:27:08
○ 2026-07-27 10:35:58
● 2015-08-09 21:34:38
● 2015-11-30 10:56:46
○ 2016-03-09 13:27:08
○ 2026-07-27 10:35:58
○A209.181.247.1052008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 23:06:30
○ 2015-08-09 21:34:38
○ 2026-07-27 10:35:58
○ 2015-08-09 21:34:38
○ 2026-07-27 10:35:58
○A69.172.201.1532016-09-08 → 2016-09-08 · 4 obs
○ 2016-03-09 13:27:08
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
● 2016-09-08 10:37:18
○ 2026-02-19 02:51:38
○ 2026-07-27 10:35:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| zenextra.com | dns15.hichina.com, dns16.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zenextra.com (unsigned zone)
⏱️ Timing
Total: 3471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)