440backline.com - robtex.com
440backline.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
440backline.com |
DNS History
5 records (4 active, 1 former)
●NSns73.domaincontrol.com2019-12-18 → 2026-03-17 · 2 obs
● 2026-03-17 05:51:32
●NSns74.domaincontrol.com2019-12-18 → 2026-03-17 · 2 obs
● 2026-03-17 05:51:32
●MX440backline-com.mail.protection.outlook.com2019-12-18 → 2026-03-17 · 2 obs
● 2026-03-17 05:51:32
●A192.81.168.32026-02-20 → 2026-03-17 · 3 obs
● 2026-02-20 21:50:40
● 2026-03-17 05:51:32
○A192.81.170.42019-12-18 → 2019-12-18 · 3 obs
○ 2026-02-20 21:50:40
○ 2026-03-17 05:51:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 440backline.com | ns73.domaincontrol.com, ns74.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 173.201.74.47
NS records: ns73.domaincontrol.com, ns74.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 440backline.com (unsigned zone)
⏱️ Timing
Total: 190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.81.168.3 |
| NS | 2 | ns73.domaincontrol.com, ns74.domaincontrol.com |
| MX | 1 | 440backline-com.mail.protection.outlook. |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns73.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)
Analysis
IP Addresses
440backline.com resolves to one IP number: 192.81.168.3.
other host names including blackaddr.com, citresearch.org, qualitycarrier.ca, webdisk.artspring.ca and olstage.com share IP numbers with 440backline.com.
Name Servers
440backline.com is delegated to two name servers ns73.domaincontrol.com and ns74.domaincontrol.com.
440backline.com shares the same name server setup as other domains, for instance kowebsales.com, 58fore.info, trutecs.com, idealsf.net and thesaintatlarge.com.
Host names with two IP numbers:
The host name ns73.domaincontrol.com points to 2603:5:21a4::2f and 97.74.106.47; the host name ns74.domaincontrol.com points to 2603:5:22a4::2f and 173.201.74.47.
Mail Servers
440backline.com is handled by a single mail server, 440backline-com.mail.protection.outlook.com.
Host 440backline-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::2, 2a01:111:f403:c942::3, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.1, 52.101.190.2, 52.101.190.3 and 52.101.192.1.