costco-group.com - robtex.com
costco-group.com
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=1775979427 | ||||||
Same first word
costco-group.com |
DNS History
10 records (3 active, 7 former)
●NSdns1.cscdns.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-08-11 03:26:10
● 2026-04-12 07:40:22
● 2026-04-12 07:40:22
●NSdns2.cscdns.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-08-11 03:26:10
● 2026-04-12 07:40:22
● 2026-04-12 07:40:22
○NSns1.host-h.net2017-08-11 → 2017-08-11 · 2 obs
● 2017-08-11 03:26:10
○ 2026-04-12 07:40:22
○ 2026-04-12 07:40:22
○NSns2.host-h.net2017-08-11 → 2017-08-11 · 2 obs
● 2017-08-11 03:26:10
○ 2026-04-12 07:40:22
○ 2026-04-12 07:40:22
○MXmail.costco-group.com2017-08-11 → 2017-08-11 · 2 obs
● 2017-08-11 03:26:10
○ 2026-04-12 07:40:22
○ 2026-04-12 07:40:22
●MXnull.costco-group.com2026-04-12 → 2026-04-12 · 2 obs
○ 2017-08-11 03:26:10
● 2026-04-12 07:40:22
● 2026-04-12 07:40:22
○A129.232.243.1382017-08-11 → 2017-08-11 · 2 obs
● 2017-08-11 03:26:10
○ 2026-04-12 07:40:22
○ 2026-04-12 07:40:22
○A41.203.18.1002017-08-11 → 2017-08-11 · 2 obs
● 2017-08-11 03:26:10
○ 2026-04-12 07:40:22
○ 2026-04-12 07:40:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| costco-group.com | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.130.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for costco-group.com (unsigned zone)
⏱️ Timing
Total: 153ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| MX | 1 | null.costco-group.com (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
Name Servers
Delegation for costco-group.com rests with two name servers, dns1.cscdns.net and dns2.cscdns.net.
costco-group.com shares the same name server setup as other domains, including vanityfairsolutions.com, ricekrispies.fi, disneyparksparents.com, jeld-wen.fi and laquintajupiter.com.
Host names with two IP numbers: dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100; dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100.
Mail Servers
costco-group.com is handled by a single mail server, null.costco-group.com.