fritzchang.com - robtex.com
fritzchang.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.92.136.167🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | fritzchang.com | ||||||
| NS | ns514.pair.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 209.68.5.107🇺🇸 AS7859209.68.0.0/18 | ||||||
| PTR | laghu.pair.com | ||||||
| NS | ns506.pair.com ⚠️ Not in zone NS records | ||||||
| A | 209.68.5.107🇺🇸 AS7859209.68.0.0/18 | ||||||
| PTR | laghu.pair.com | ||||||
| NS | ns6.ns0.com | ||||||
| MX | mailwash51.pair.com ⭐ | ||||||
| A | 2607:f440::4227:233🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| A | 66.39.2.51🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mailwash51.pair.com | ||||||
| TXT | v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a... | ||||||
| SOA | ns514.pair.comroot@pair.com 2025-10-17 #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=1774403912 | ||||||
PTR for
Same first word
fritzchang.com |
DNS History
6 records (5 active, 1 former)
●NSns506.pair.com2026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 22:59:40
● 2026-03-25 02:15:46
○MXmailwash49.pair.com2015-07-03 → 2018-12-02 · 4 obs
● 2018-12-02 17:27:40
○ 2026-02-15 22:59:40
○ 2026-03-25 02:15:46
●MXmailwash51.pair.com2026-02-15 → 2026-03-25 · 3 obs
● 2026-02-15 22:59:40
● 2026-03-25 02:15:46
●A216.92.136.1672015-07-03 → 2026-03-25 · 2 obs
● 2026-03-25 02:15:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net... | - |
| fritzchang.com | ns6.ns0.com, ns506.pair.com | 3 records |
✅ Authoritative Response
Server:216.92.61.171
NS records: ns6.ns0.com, ns506.pair.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fritzchang.com (unsigned zone)
⏱️ Timing
Total: 138ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.92.136.167 |
| NS | 2 | ns514.pair.com, ns6.ns0.com |
| MX | 1 | mailwash51.pair.com (pri: 50) |
| TXT | 1 | v=spf1 include:webmail.pair.com include: |
| SOA | 1 | ns514.pair.com root.pair.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns6.ns0.com, ns6.ns0.com, ns506.pair.com)
Analysis
IP Addresses
fritzchang.com resolves to a single IP address: 216.92.136.167.
Name Servers
fritzchang.com is delegated to three name servers: ns6.ns0.com, ns506.pair.com and ns514.pair.com.
fritzchang.com at least partially shares name servers with other domains, including landtechconsultants.com, point-of-departure.org, recoverdisc.com, wforc.com and andrew.hedges.name.
These name servers are typically used together with the name servers dns4.pair.com, ns5.ns0.com, ns2.quickserve.com, ns7.ns0.com, ns427.pair.com, ns00.ns0.com, ns570.pair.com, ns503.pair.com, ns438.pair.com and dns.pair.com.
Host names with a single IP:
- ns506.pair.com points to 209.68.5.107
- ns514.pair.com points to 209.68.5.107
Host names that point to 209.68.5.107: ns506.pair.com and ns514.pair.com
Mail Servers
fritzchang.com is handled by a single mail server, mailwash51.pair.com.
fritzchang.com shares its mail server setup with other domains, including themashina.com, geekygames.com, owlinc.org, whiteworks.com.au and hoppervents.com.
mailwash51.pair.com points to two IPs: 2607:f440::4227:233 and 66.39.2.51.