sterlinghoffman.com - robtex.com
sterlinghoffman.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 | ||||||
Subdomains
Same first word
sterlinghoffman.org |
sterlinghoffman.net |
sterlinghoffman.com |
DNS History
13 records (5 active, 8 former)
○NSns-1.principle.net2015-06-02 → 2015-12-20 · 4 obs
● 2015-12-20 08:39:42
○ 2016-04-10 13:50:18
○ 2026-03-01 09:44:32
○NSns-2.principle.com2015-06-02 → 2015-12-20 · 4 obs
● 2015-12-20 08:39:42
○ 2016-04-10 13:50:18
○ 2026-03-01 09:44:32
○NSns-3.principle.ca2015-06-02 → 2015-12-20 · 4 obs
● 2015-12-20 08:39:42
○ 2016-04-10 13:50:18
○ 2026-03-01 09:44:32
●NSns1.systemdns.com2016-04-10 → 2026-03-01 · 3 obs
● 2016-04-10 13:50:18
● 2026-03-01 09:44:32
●NSns2.systemdns.com2016-04-10 → 2026-03-01 · 3 obs
● 2016-04-10 13:50:18
● 2026-03-01 09:44:32
●NSns3.systemdns.com2016-04-10 → 2026-03-01 · 3 obs
● 2016-04-10 13:50:18
● 2026-03-01 09:44:32
○MXhost1.futureexec.com2015-12-20 → 2017-06-29 · 5 obs
● 2015-12-20 08:39:42
● 2017-06-29 08:55:00
○ 2026-02-23 19:04:32
○ 2026-03-01 09:44:32
○MXhost2.futureexec.com2015-12-20 → 2017-06-29 · 5 obs
● 2015-12-20 08:39:42
● 2017-06-29 08:55:00
○ 2026-02-23 19:04:32
○ 2026-03-01 09:44:32
○MXhost3.futureexec.com2015-12-20 → 2017-06-29 · 5 obs
● 2015-12-20 08:39:42
● 2017-06-29 08:55:00
○ 2026-02-23 19:04:32
○ 2026-03-01 09:44:32
○MXmail.sterlinghoffman.com2015-06-02 → 2015-10-17 · 4 obs
● 2015-10-17 04:49:08
○ 2015-12-20 08:39:42
○ 2026-03-01 09:44:32
●MXsterlinghoffman-com.mail.protection.outlook.com2026-02-23 → 2026-03-01 · 3 obs
● 2026-02-23 19:04:32
● 2026-03-01 09:44:32
○A107.6.42.1192015-06-02 → 2017-06-29 · 4 obs
● 2017-06-29 08:55:00
○ 2026-02-23 19:04:32
○ 2026-03-01 09:44:32
●A50.28.86.1642026-02-23 → 2026-03-01 · 3 obs
● 2026-02-23 19:04:32
● 2026-03-01 09:44:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sterlinghoffman.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server: 216.40.47.90
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sterlinghoffman.com (unsigned zone)
⏱️ Timing
Total: 348ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.28.86.164 |
| NS | 3 | ns2.systemdns.com, ns3.systemdns.com... |
| MX | 1 | sterlinghoffman-com.mail.protection.outl |
| TXT | 5 | v=spf1 mx ip4:206.223.186.0/24 include:s, google-site-verification=86eDTCiHN6nEbxy... |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
Hierarchy
sterlinghoffman.com is a parent of www.sterlinghoffman.com and mta.sterlinghoffman.com.
IP Addresses
sterlinghoffman.com resolves to one IP number: 50.28.86.164.
Other host names, for instance sterlinglifesciences.com, raiserecruiting.com, www.sterlinghoffman.com, ianmartin.com and fepsearchgroup.com share IP numbers with sterlinghoffman.com.
Name Servers
sterlinghoffman.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
sterlinghoffman.com at least partially shares name servers with other domains, including adools.com.ns-not-in-service.com, allprolandscapes.net, propano.com, tt-group.com and varela.biz.
Host names with two IP numbers:
ns1.systemdns.com: 2604:4000:0:d:216:40:47:90 and 216.40.47.90
ns2.systemdns.com: 2604:4000:2800:d:64:99:148:16 and 64.98.148.16
ns3.systemdns.com: 2604:4000:0:d:64:99:96:36 and 64.99.96.36
Mail Servers
A single mail server handles sterlinghoffman.com, sterlinghoffman-com.mail.protection.outlook.com.
Host sterlinghoffman-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c942::, 2a01:111:f403:c942::1, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.0, 52.101.190.1, 52.101.192.0 and 52.101.192.1.