nullmx.onstl.com - robtex.com
nullmx.onstl.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.251.72.148🇺🇸 IONOS-AS198.251.64.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
onstl.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.251.72.148🇺🇸 IONOS-AS198.251.64.0/20 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| NS | ns-us.1and1-dns.com ⭐ | ||||||
| NS | ns-us.1and1-dns.de | ||||||
| NS | ns-us.1and1-dns.org | ||||||
| NS | ns-us.1and1-dns.us | ||||||
| MX | mx1.emailsrvr.com ⭐ | ||||||
| MX | mx2.emailsrvr.com(20) | ||||||
| SOA | ns-us.1and1-dns.comhostmaster@1and1.com 2016-02-13 #2 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A198.251.72.1482026-03-05 → 2026-03-29 · 3 obs
○ 2015-11-13 14:33:02
● 2026-03-05 18:52:34
● 2026-03-29 01:25:24
● 2026-03-05 18:52:34
● 2026-03-29 01:25:24
○A209.181.247.1052008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 07:17:58
○ 2015-11-13 14:33:02
○ 2026-03-29 01:25:24
○ 2015-11-13 14:33:02
○ 2026-03-29 01:25:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| onstl.com | ns-us.1and1-dns.us, ns-us.1and1-dns.de, ns-us.1and1-dns.org, ns-us.1and1-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.81.2
NS records: ns-us.1and1-dns.us, ns-us.1and1-dns.de, ns-us.1and1-dns.org, ns-us.1and1-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for onstl.com (unsigned zone)
⏱️ Timing
Total: 357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.251.72.148 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-us.1and1-dns.com, ns-us.1and1-dns.com)
Analysis
IP Addresses
nullmx.onstl.com points to a single IP: 198.251.72.148.
Other host names, for instance nauglesstl.com, stlouisclassicrock.com, mail.promstl.com, mail.stlouistrivia.com and mail.baseballstl.com share IP numbers with nullmx.onstl.com.