usefulnessmodem.com - robtex.com
usefulnessmodem.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.199.241.14🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns1.usefulnessmodem.com ⭐ | ||||||
| A | 52.199.241.14🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns2.usefulnessmodem.com | ||||||
| A | 52.199.241.14🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com | ||||||
| MX | mx1.usefulnessmodem.com ⭐ | ||||||
| A | 52.199.241.14🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com | ||||||
| MX | mx2.usefulnessmodem.com(20) | ||||||
| A | 52.199.241.14🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| PTR | ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com | ||||||
| TXT | v=spf1 ip4:122.215.92.146 ~all | ||||||
| SOA | ns1.usefulnessmodem.comhostmaster@usefulnessmodem.com serial=2031318626 | ||||||
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=1771291435 | ||||||
Subdomains
Same first word
usefulnessmodem.com |
DNS History
6 records (5 active, 1 former)
●NSns1.usefulnessmodem.com2026-03-14 → 2026-03-15 · 2 obs
● 2026-03-15 00:07:10
●NSns2.usefulnessmodem.com2026-03-14 → 2026-03-15 · 2 obs
● 2026-03-15 00:07:10
●MXmx1.usefulnessmodem.com2026-03-14 → 2026-03-15 · 2 obs
● 2026-03-15 00:07:10
●MXmx2.usefulnessmodem.com2026-03-14 → 2026-03-15 · 2 obs
● 2026-03-15 00:07:10
○A3.114.50.542026-03-14 → 2026-03-14 · 2 obs
○ 2026-03-15 00:07:10
●A52.199.241.142026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 00:07:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| usefulnessmodem.com | ns1.usefulnessmodem.com, ns2.usefulnessmodem.com | 2 records |
✅ Authoritative Response
Server: 122.215.92.146
NS records: ns1.usefulnessmodem.com, ns2.usefulnessmodem.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usefulnessmodem.com (unsigned zone)
⏱️ Timing
Total: 595ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.199.241.14 |
| NS | 2 | ns2.usefulnessmodem.com, ns1.usefulnessmodem.com |
| MX | 2 | mx2.usefulnessmodem.com (pri: 20), mx1.usefulnessmodem.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:122.215.92.146 ~all |
| SOA | 1 | ns1.usefulnessmodem.com hostmaster.usefu |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.usefulnessmodem.com, ns2.usefulnessmodem.com)
Analysis
Hierarchy
usefulnessmodem.com is parent of mx1.usefulnessmodem.com, ns2.usefulnessmodem.com, mx2.usefulnessmodem.com and ns1.usefulnessmodem.com.
IP Addresses
usefulnessmodem.com resolves to a single IP address: 52.199.241.14.
Other host names, such as webstatic-production-alb-335615842.ap-northeast-1.elb.amazonaws.com and ec2-52-199-241-14.ap-northeast-1.compute.amazonaws.com, share IP numbers with usefulnessmodem.com.
Name Servers
usefulnessmodem.com's delegation uses two name servers, ns1.usefulnessmodem.com and ns2.usefulnessmodem.com.
Host names with a single IP:
- ns1.usefulnessmodem.com points to 52.199.241.14
- ns2.usefulnessmodem.com points to 52.199.241.14
Host names that point to 52.199.241.14: ns1.usefulnessmodem.com and ns2.usefulnessmodem.com
Mail Servers
usefulnessmodem.com is handled by two mail servers: mx1.usefulnessmodem.com and mx2.usefulnessmodem.com.
Host names with a single IP:
- mx1.usefulnessmodem.com points to 52.199.241.14
- mx2.usefulnessmodem.com points to 52.199.241.14
Host names that point to 52.199.241.14: mx1.usefulnessmodem.com and mx2.usefulnessmodem.com