nullmx.herbalcourse.com - robtex.com
nullmx.herbalcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
herbalcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
○A141.8.225.1242015-12-14 → 2016-07-21 · 5 obs
○ 2015-10-09 20:50:02
● 2015-12-14 15:45:24
● 2016-07-21 15:47:30
○ 2026-04-15 07:17:34
○ 2026-04-25 04:55:10
● 2015-12-14 15:45:24
● 2016-07-21 15:47:30
○ 2026-04-15 07:17:34
○ 2026-04-25 04:55:10
●A207.148.248.1432026-04-15 → 2026-04-25 · 3 obs
○ 2016-07-21 15:47:30
● 2026-04-15 07:17:34
● 2026-04-25 04:55:10
● 2026-04-15 07:17:34
● 2026-04-25 04:55:10
○A50.63.202.1042015-05-27 → 2015-10-09 · 4 obs
● 2015-05-27 06:20:18
● 2015-10-09 20:50:02
○ 2015-12-14 15:45:24
○ 2026-04-25 04:55:10
● 2015-10-09 20:50:02
○ 2015-12-14 15:45:24
○ 2026-04-25 04:55:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net... | - |
| herbalcourse.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for herbalcourse.com (unsigned zone)
⏱️ Timing
Total: 94ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
nullmx.herbalcourse.com points to a single IP number: 207.148.248.143.
Other host names, for instance rbabc.com, colorfulmind.com, epaw.net, mail.learningbeat.com and ihmo.org share IP numbers with nullmx.herbalcourse.com.