dualnback.com - robtex.com
dualnback.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=1771291435 | ||||||
Same first word
dualnback.com |
DNS History
20 records (4 active, 16 former)
●NSdns1.registrar-servers.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 04:35:08
● 2026-03-23 22:55:18
●NSdns2.registrar-servers.com2026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 04:35:08
● 2026-03-23 22:55:18
○NSns1.namebrightdns.com2015-12-23 → 2016-08-10 · 6 obs
● 2015-12-23 04:31:56
○ 2016-03-30 20:47:50
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○NSns2.namebrightdns.com2015-12-23 → 2016-08-10 · 6 obs
● 2015-12-23 04:31:56
○ 2016-03-30 20:47:50
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○NSnsg1.namebrightdns.com2015-10-10 → 2016-03-30 · 5 obs
○ 2015-12-23 04:31:56
● 2016-03-30 20:47:50
○ 2016-08-10 03:11:28
○ 2026-03-23 22:55:18
○NSnsg2.namebrightdns.com2015-10-10 → 2016-03-30 · 5 obs
○ 2015-12-23 04:31:56
● 2016-03-30 20:47:50
○ 2016-08-10 03:11:28
○ 2026-03-23 22:55:18
●MXsmtp.google.com2026-02-26 → 2026-03-23 · 2 obs
● 2026-03-23 22:55:18
○A107.21.42.1422016-03-30 → 2016-03-30 · 4 obs
● 2016-03-30 20:47:50
○ 2016-08-10 03:11:28
○ 2026-03-23 22:55:18
○A107.23.160.2182015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 04:31:56
○ 2016-03-30 20:47:50
○ 2026-03-23 22:55:18
○A107.23.198.2402016-08-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
●A199.36.158.1002026-02-26 → 2026-03-23 · 3 obs
● 2026-02-26 04:35:08
● 2026-03-23 22:55:18
○A52.206.43.2342016-08-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○A52.4.72.1372016-08-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○A54.174.149.302016-03-30 → 2016-03-30 · 4 obs
● 2016-03-30 20:47:50
○ 2016-08-10 03:11:28
○ 2026-03-23 22:55:18
○A54.174.31.2542015-10-10 → 2015-10-10 · 3 obs
○ 2015-12-23 04:31:56
○ 2026-03-23 22:55:18
○A54.208.74.2152015-10-10 → 2015-10-10 · 3 obs
○ 2015-12-23 04:31:56
○ 2026-03-23 22:55:18
○A54.209.90.812015-12-23 → 2015-12-23 · 4 obs
● 2015-12-23 04:31:56
○ 2016-03-30 20:47:50
○ 2026-03-23 22:55:18
○A54.210.33.1902016-08-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○A54.236.123.2242016-08-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-10-10 → 2016-08-10 · 4 obs
● 2016-08-10 03:11:28
○ 2026-02-26 04:35:08
○ 2026-03-23 22:55:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dualnback.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dualnback.com (unsigned zone)
⏱️ Timing
Total: 252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.36.158.100 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 5 | firebase=dual-n-back-web-app, hosting-site=dual-n-back-sales-site... |
| 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
IP Addresses
dualnback.com points to IP number 199.36.158.100.
For instance, other host names boscoimoveis.com, hibikirun.com, www.sandingall.firebaseapp.com, katipolt-misc.web.app and restore-ff199.web.app share IP numbers with dualnback.com.
Name Servers
dualnback.com is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
dualnback.com uses the same name server setup as other domains such as bitm.info, xn--nkki-loa.com, paga.red, gracefulmastery.com and phishop.world.
dualnback.com shares some name servers with other domains, for example guspara.com, kranz.us, belleast.net and cambridgeworkinggroup.org.
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:
dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
dualnback.com is handled by a single mail server, smtp.google.com.
dualnback.com shares the same mail server setup as other domains, for instance tryrosa.com, wethepeoples.org, clicredito.mx, rolfi.com and wfee.org.
dualnback.com shares mail servers with other domains at least partially; for instance art-chain.io, mrtb.com.au, uniformity4u.net, kiroogames.com and cfmid.com.
These mail servers are commonly used with the servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Host smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.