backthird.com - robtex.com
backthird.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=1774651467 | ||||||
Subdomains
Same first word
backthird.com |
Similar names
DNS History
14 records (9 active, 5 former)
○NSns1.affarihost.com2015-06-13 → 2016-03-22 · 4 obs
● 2016-03-22 15:57:38
○ 2017-04-04 21:55:06
○ 2026-03-27 22:51:42
●NSns1.sierra.host2017-04-04 → 2026-03-27 · 3 obs
● 2017-04-04 21:55:06
● 2026-03-27 22:51:42
○NSns2.affarihost.com2015-06-13 → 2016-03-22 · 4 obs
● 2016-03-22 15:57:38
○ 2017-04-04 21:55:06
○ 2026-03-27 22:51:42
●NSns2.sierra.host2017-04-04 → 2026-03-27 · 3 obs
● 2017-04-04 21:55:06
● 2026-03-27 22:51:42
○NSns3.affarihost.com2015-06-13 → 2016-03-22 · 4 obs
● 2016-03-22 15:57:38
○ 2017-04-04 21:55:06
○ 2026-03-27 22:51:42
●NSns41.cloudns.net2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 06:54:00
● 2026-03-27 22:51:42
●MXalt1.aspmx.l.google.com2015-06-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:51:42
●MXalt2.aspmx.l.google.com2015-06-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:51:42
●MXaspmx.l.google.com2015-06-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:51:42
●MXaspmx2.googlemail.com2015-06-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:51:42
●MXaspmx3.googlemail.com2015-06-13 → 2026-03-27 · 2 obs
● 2026-03-27 22:51:42
●A216.128.144.1492026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 06:54:00
● 2026-03-27 22:51:42
○A67.225.163.1262017-04-04 → 2017-04-04 · 4 obs
● 2017-04-04 21:55:06
○ 2026-02-17 06:54:00
○ 2026-03-27 22:51:42
○A72.52.128.2382015-06-13 → 2016-03-22 · 4 obs
● 2016-03-22 15:57:38
○ 2017-04-04 21:55:06
○ 2026-03-27 22:51:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| backthird.com | ns1.sierra.host, ns2.sierra.host | - |
✅ Authoritative Response
Server:185.136.96.79
NS records: ns1.sierra.host, ns2.sierra.host
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backthird.com (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.128.144.149 |
| NS | 2 | ns1.sierra.host, ns2.sierra.host |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 30)... |
| SOA | 1 | ns41.cloudns.net support.cloudns.net |
Analysis
Hierarchy
backthird.com is a parent of www.backthird.com and blog.backthird.com.
IP Addresses
backthird.com resolves to one IP number: 216.128.144.149.
Name Servers
backthird.com is delegated to three name servers ns1.sierra.host, ns2.sierra.host and ns41.cloudns.net.
backthird.com at least partially shares name servers with other domains, for instance dialogic.ro, mediadolphin.net, orkeystra.com, amaros4.com and ricdeluca.com.
These name servers are commonly used alongside ns42.cloudns.net, ns43.cloudns.net, ns44.cloudns.net, pns41.cloudns.net, pns42.cloudns.net, pns43.cloudns.net and pns44.cloudns.net.
Host names with two IPs:
ns41.cloudns.net points to: 2a00:1768:1001:9::196 and 109.201.133.196.
Host names with one IP:
ns1.sierra.host points to: 185.136.96.79.
ns2.sierra.host points to: 185.136.97.79.
Mail Servers
backthird.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
backthird.com shares some mail servers with other domains, at least partially, for instance ns500758.ns500698.ns500759.ns500735.ns500735.ns500736.ns500576.ns500576.ns500576.ns500619.ns500576.trackreceptor.com, ns500758.ns500759.ns500759.ns500759.ns500759.ns500736.ns500698.ns500698.ns500735.ns500708.ns500698.trackreceptor.com, ns500759.ns500698.ns500736.ns500736.ns500698.ns500736.ns500736.ns500735.ns500576.ns500698.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500734.ns500699.ns500693.ns500693.ns500699.ns500734.ns500699.ns500699.ns500734.ns500588.ns500588.ns500588.ns500693.ns500588.ns500110.dtrkdll.com and ns500759.ns500698.ns500758.ns500758.ns500758.ns500758.ns500735.ns500735.ns500735.ns500735.ns500736.ns500576.ns500698.ns500698.ns500619.ns500619.ns500619.trackreceptor.com.
these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26.
The host aspmx3.googlemail.com points to: 2a00:1450:4013:c1e::1a and 192.178.213.27.
The host aspmx.l.google.com points to: 2607:f8b0:4004:c23::1a and 172.253.63.27.
The host alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26.
The host alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26.
Host names that point to 2607:f8b0:4023:2801::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Host names that point to 192.178.128.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
aspmx2.googlemail.com and alt1.aspmx.l.google.com both point to 2607:f8b0:4023:2801::1b and 192.178.128.26.