memtor.com - robtex.com
memtor.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.optimumreturn.com ⚠️ Not in zone NS records | ||||||
| A | 169.60.137.187🇺🇸 SOFTLAYER169.60.128.0/18 -dal13 | ||||||
| PTR | ns1.optimumreturn.com | ||||||
| NS | ns2.optimumreturn.com ⚠️ Not in zone NS records | ||||||
| A | 169.60.137.188🇺🇸 SOFTLAYER169.60.128.0/18 -dal13 | ||||||
| PTR | ns2.optimumreturn.com | ||||||
| NS | ns3.optimumreturn.com ⚠️ Not in zone NS records | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775084787 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSns1.optimumreturn.com2015-08-14 → 2026-04-01 · 2 obs
● 2026-04-01 23:24:46
●NSns2.optimumreturn.com2015-08-14 → 2026-04-01 · 2 obs
● 2026-04-01 23:24:46
●NSns3.optimumreturn.com2015-08-14 → 2026-04-01 · 2 obs
● 2026-04-01 23:24:46
○MXgrid1i.seg.att.com2015-08-14 → 2016-04-18 · 4 obs
● 2016-04-18 19:22:58
○ 2026-03-17 09:42:08
○ 2026-04-01 23:24:46
○MXgrid2i.seg.att.com2015-08-14 → 2016-04-18 · 4 obs
● 2016-04-18 19:22:58
○ 2026-03-17 09:42:08
○ 2026-04-01 23:24:46
○A174.120.64.1172015-08-14 → 2016-04-18 · 4 obs
● 2016-04-18 19:22:58
○ 2026-03-17 09:42:08
○ 2026-04-01 23:24:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net... | - |
| memtor.com | ns3.optimumreturn.com, ns1.optimumreturn.com, ns2.optimumreturn.com | 3 records |
✅ Authoritative Response
Server:169.60.137.187
NS records: ns3.optimumreturn.com, ns1.optimumreturn.com, ns2.optimumreturn.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for memtor.com (unsigned zone)
⏱️ Timing
Total: 235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.optimumreturn.com, ns1.optimumreturn.com, ns2.optimumreturn.com)
Analysis
Name Servers
memtor.com is delegated to three name servers ns1.optimumreturn.com, ns2.optimumreturn.com and ns3.optimumreturn.com.
memtor.com shares name servers with other domains at least partially, for instance caesarsluxury.com, optimumreturn.com, caesarscollection.com and 199.196.65.216.in-addr.arpa.
These name servers are commonly used with macarthur.optimumreturn.com and vrand.optimumreturn.com.
Host names with one IP:
ns1.optimumreturn.com points to: 169.60.137.187
ns2.optimumreturn.com points to: 169.60.137.188