tech-51.com - robtex.com
tech-51.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.39.16.49🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | tech-51.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 | ||||||
| PTR | ns9.ns0.com | ||||||
| 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 | mail3.g24.pair.com ⭐ | ||||||
| A | 2607:f440::4227:860b🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail3.g24.pair.com | ||||||
| A | 66.39.134.11🇺🇸 AS785966.39.128.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail3.g24.pair.com | ||||||
| SOA | dns4.pair.comroot@pair.com 2025-11-18 #19 | ||||||
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=1778716136 | ||||||
PTR for
Same first word
tech-51.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns4.pair.com2026-04-05 → 2026-05-14 · 3 obs
● 2026-04-05 15:25:20
● 2026-05-14 00:02:18
○NSns551.pair.com2015-06-26 → 2017-05-23 · 4 obs
● 2017-05-23 12:49:10
○ 2026-04-05 15:25:20
○ 2026-05-14 00:02:18
○NSns8.ns0.com2015-06-26 → 2017-05-23 · 4 obs
● 2017-05-23 12:49:10
○ 2026-04-05 15:25:20
○ 2026-05-14 00:02:18
●NSns9.ns0.com2026-04-05 → 2026-05-14 · 3 obs
● 2026-04-05 15:25:20
● 2026-05-14 00:02:18
●MXmail3.g24.pair.com2026-04-05 → 2026-05-14 · 3 obs
● 2026-04-05 15:25:20
● 2026-05-14 00:02:18
○MXmailwash20.pair.com2015-06-26 → 2017-05-23 · 4 obs
● 2017-05-23 12:49:10
○ 2026-04-05 15:25:20
○ 2026-05-14 00:02:18
○A66.39.117.572015-06-26 → 2017-05-23 · 4 obs
● 2017-05-23 12:49:10
○ 2026-04-05 15:25:20
○ 2026-05-14 00:02:18
●A66.39.16.492026-04-05 → 2026-05-14 · 3 obs
● 2026-04-05 15:25:20
● 2026-05-14 00:02:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tech-51.com | dns4.pair.com, ns9.ns0.com | 4 records |
✅ Authoritative Response
Server:216.92.252.10
NS records: dns4.pair.com, ns9.ns0.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech-51.com (unsigned zone)
⏱️ Timing
Total: 401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.39.16.49 |
| NS | 2 | ns9.ns0.com, dns4.pair.com |
| MX | 1 | mail3.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
tech-51.com points to a single IP number: 66.39.16.49.
Name Servers
tech-51.com is delegated to two name servers: ns9.ns0.com and dns4.pair.com.
tech-51.com uses the same name server setup as other domains, for instance justlookin.org, zooqqe.art, hermeticlands.com, peasandharmony.net and roithinger.us.
tech-51.com shares name servers with other domains at least partially, for instance pou.cat, tufac.com, yoi(0x736578).com, prototier.com and robotoperamusic.com.
these name servers are commonly used with ns8.ns0.com, ns2.quickserve.com, ns7.ns0.com, ns1.quickserve.com, ns0.ns0.com, ns5.ns0.com and dns.pair.com.
Host names with two IP numbers:
The host ns9.ns0.com points to 2607:f441::d892:c124 and 216.146.193.36.
The host dns4.pair.com points to 2607:f440::d85c:fc0a and 216.92.252.10.
Mail Servers
The mail server for tech-51.com is mail3.g24.pair.com.
tech-51.com shares the same mail server setup as other domains, including breastregards.com, customnutritioncenters.com, hyperbio.net, gailsher.com and koziols.net.
tech-51.com shares some mail servers with other domains, including adkig.com, lenswoman.com, kulturlexikon.info, marssaxman.com and mish-inc.com.
Host name mail3.g24.pair.com resolves to two IPs: 2607:f440::4227:860b and 66.39.134.11.