cost4u.com - robtex.com
cost4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns63.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2154::2a🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns63.domaincontrol.com | ||||||
| A | 97.74.101.42🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns63.domaincontrol.com | ||||||
| NS | ns64.domaincontrol.com | ||||||
| A | 2603:5:2254::2a🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns64.domaincontrol.com | ||||||
| A | 173.201.69.42🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns64.domaincontrol.com | ||||||
| SOA | ns63.domaincontrol.comdns@jomax.net 2026-03-20 #1 | ||||||
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=1774883952 | ||||||
Same first word
cost4u.com |
Similar names
DNS History
10 records (4 active, 6 former)
○NSns51.domaincontrol.com2015-07-19 → 2018-07-14 · 4 obs
● 2018-07-14 19:06:44
○ 2026-03-28 14:11:14
○ 2026-03-30 15:43:02
○NSns52.domaincontrol.com2015-07-19 → 2018-07-14 · 4 obs
● 2018-07-14 19:06:44
○ 2026-03-28 14:11:14
○ 2026-03-30 15:43:02
●NSns63.domaincontrol.com2026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 14:11:14
● 2026-03-30 15:43:02
●NSns64.domaincontrol.com2026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 14:11:14
● 2026-03-30 15:43:02
○MXmailstore1.secureserver.net2015-07-19 → 2018-07-14 · 4 obs
● 2018-07-14 19:06:44
○ 2026-03-28 14:11:14
○ 2026-03-30 15:43:02
○MXsmtp.secureserver.net2015-07-19 → 2018-07-14 · 4 obs
● 2018-07-14 19:06:44
○ 2026-03-28 14:11:14
○ 2026-03-30 15:43:02
●A15.197.225.1282026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 14:11:14
● 2026-03-30 15:43:02
○A173.201.96.1282018-07-14 → 2018-07-14 · 4 obs
● 2018-07-14 19:06:44
○ 2026-03-28 14:11:14
○ 2026-03-30 15:43:02
●A3.33.251.1682026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 14:11:14
● 2026-03-30 15:43:02
○A72.167.183.422015-07-19 → 2017-01-17 · 4 obs
● 2017-01-17 09:01:22
○ 2018-07-14 19:06:44
○ 2026-03-30 15:43:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net... | - |
| cost4u.com | ns63.domaincontrol.com, ns64.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.42
NS records: ns63.domaincontrol.com, ns64.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cost4u.com (unsigned zone)
⏱️ Timing
Total: 91ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)
Analysis
IP Addresses
cost4u.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names, for instance supraexhaust.com, sweethair.com, clintexresearch.org, johnnywhitewalls.com and livingthatdream.com share IP numbers with cost4u.com.
Name Servers
cost4u.com is delegated to two name servers: ns63.domaincontrol.com and ns64.domaincontrol.com.
cost4u.com uses the same name server setup as other domains, for instance lakewoodwinterclub.com, mentedcosmetics.com, 2048.co.in, evocura.net and countrygrid.com.
Host names with two IP numbers:
The host ns63.domaincontrol.com points to 2603:5:2154::2a and 97.74.101.42.
The host ns64.domaincontrol.com points to 2603:5:2254::2a and 173.201.69.42.