a.ns.marchex.com - robtex.com
a.ns.marchex.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 174.137.112.159🇺🇸 UNSPECIFIED160.0.0.0/3 | ||||||
| PTR | a.ns.marchex.com | ||||||
ns.marchex.com
| DNSSEC | ⚠️ Not signed | ||||||
WOT: SAFE (31/100)
PTR for
NS for
marchexinc.biz |
marchexsales.mobi |
144.173.191.206.in-addr.arpa |
marchexsearchmarketing.com |
54.173.191.206.in-addr.arpa |
marchexwebsites.com |
141.20.8.in-addr.arpa |
marchexlocal.net |
Previously NS for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A174.137.112.1592015-09-02 → 2026-05-11 · 2 obs
● 2026-05-11 13:33:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| marchex.com | ns-457.awsdns-57.com, ns-819.awsdns-38.net, ns-1240.awsdns-27.org, ns-1931.awsdns-49.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.199.139
NS records: ns-457.awsdns-57.com, ns-819.awsdns-38.net, ns-1240.awsdns-27.org, ns-1931.awsdns-49.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for marchex.com (unsigned zone)
⏱️ Timing
Total: 274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 174.137.112.159 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-457.awsdns-57.com, ns-457.awsdns-57.com)
Analysis
Name Server Role
a.ns.marchex.com serves as a name server for marchexinc.biz, marchexsales.mobi, 144.173.191.206.in-addr.arpa, marchexsearchmarketing.com, 54.173.191.206.in-addr.arpa and a few other domains.
b.ns.marchex.com, c.ns.marchex.com and d.ns.marchex.com commonly serve as nameservers together with a.ns.marchex.com.
IP Addresses
a.ns.marchex.com points to a single IP number: 174.137.112.159.
Other host names, for instance c.ns.marchex.com, share IP numbers with a.ns.marchex.com.