dcostaoffice.com - robtex.com
dcostaoffice.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=1776075162 | ||||||
Same first word
dcostaoffice.com |
DNS History
3 records (3 active, 0 former)
●NSdns1.registrar-servers.com2026-04-03 → 2026-04-13 · 2 obs
● 2026-04-13 10:18:58
●NSdns2.registrar-servers.com2026-04-03 → 2026-04-13 · 2 obs
● 2026-04-13 10:18:58
●MXsmtp.google.com2026-04-03 → 2026-04-13 · 2 obs
● 2026-04-13 10:18:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| dcostaoffice.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dcostaoffice.com (unsigned zone)
⏱️ Timing
Total: 97ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | smtp.google.com (pri: 1) |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
Name Servers
dcostaoffice.com is delegated to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.
dcostaoffice.com shares the same name server setup as other domains, for instance marketecture.com, chancrafted.com, snofs.com, liontcr.com and petersproverbs.us.
dcostaoffice.com shares at least some name servers with other domains, for example kotil.net, numl.net and 50off(0x706f726e).com.
These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Host names with two IP numbers:
The host name dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; the host name dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
dcostaoffice.com is handled by a single mail server, smtp.google.com.
dcostaoffice.com shares the same mail server setup as other domains, for instance connectsnowball.com, ronaldomarques.com.br, readysetgrowonline.com, posmagnet.com and sit-ksa.com.
dcostaoffice.com shares some mail servers with other domains, at least partially, for instance dtexgov.com, server.idv.tw, quobis.com, handseltechnology.com and samarcollege.edu.ph.
these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.
smtp.google.com points to nine IPs: 2607:f8b0:4004:c08::1b, 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c0b::1b, 2607:f8b0:4004:c19::1a, 142.250.31.26, 142.250.31.27, 142.251.111.26, 142.251.111.27 and 172.253.63.26.