usethecourse.com - dns.ninja
usethecourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.92.243.42🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | usethecourse.com | ||||||
| NS | dns4.pair.com ⭐ | ||||||
| A | 2607:f440::d85c:fc0a🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns4.pair.com | ||||||
| A | 216.92.252.10🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns4.pair.com | ||||||
| NS | ns9.ns0.com | ||||||
| A | 2607:f441::d892:c124🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States | ||||||
| A | 216.146.193.36🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns9.ns0.com | ||||||
| MX | mail2.g24.pair.com ⭐ | ||||||
| A | 2607:f440::d85c:a63a🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail2.g24.pair.com | ||||||
| A | 216.92.166.58🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail2.g24.pair.com | ||||||
| SOA | dns4.pair.comroot@pair.com 2026-07-18 #12 | ||||||
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=1786713924 | ||||||
PTR for
Same first word
usethecourse.com |
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail2.g24.pair.com2026-02-26 → 2026-08-14 · 2 obs
● 2026-08-14 13:26:14
●A216.92.243.422026-02-26 → 2026-08-14 · 2 obs
● 2026-08-14 13:26:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| usethecourse.com | dns4.pair.com, ns9.ns0.com | 4 records |
✅ Authoritative Response
Server:216.146.193.36
NS records: dns4.pair.com, ns9.ns0.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usethecourse.com (unsigned zone)
⏱️ Timing
Total: 250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.92.243.42 |
| NS | 2 | dns4.pair.com, ns9.ns0.com |
| MX | 1 | mail2.g24.pair.com (pri: 50) |
| SOA | 1 | dns4.pair.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns4.pair.com, dns4.pair.com, ns9.ns0.com...)
Analysis
IP Addresses
usethecourse.com has exactly one IP address — 216.92.243.42.
Name Servers
usethecourse.com is delegated to two name servers: ns9.ns0.com and dns4.pair.com.
The name server configuration of usethecourse.com is shared with other domains, for instance nowthis.com, theinnatbowmanshill.com, onparos.com and two others.
There is at least partial name server overlap between usethecourse.com and other domains — quellevo.com, hucklebush.com, starcatalog.com and two more among them.
These name servers tend to appear in combination with the name servers ns7.ns0.com, ns8.ns0.com, ns2.quickserve.com and ns0.ns0.com.
ns9.ns0.com and dns4.pair.com each resolve to two IP addresses: ns9.ns0.com points to 216.146.193.36 and 2607:f441::d892:c124, while dns4.pair.com points to 216.92.252.10 and 2607:f440::d85c:fc0a.
Mail Servers
usethecourse.com uses one mail server — mail2.g24.pair.com.
The mail server setup of usethecourse.com matches that of other domains such as ijminteractive.net, grandmaraisshopping.com, tassonline.com and two others.
usethecourse.com and other domains — backlundrealty.com for instance — share at least some mail servers.
mail2.g24.pair.com carries two IP numbers: 216.92.166.58 and 2607:f440::d85c:a63a.