circle4.com - dns.ninja
circle4.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.92.20.3🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | circle4.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 | ||||||
| NS | ns9.ns0.com | ||||||
| MX | mail8.g24.pair.com ⭐ | ||||||
| A | 2607:f440::d85c:a132🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail8.g24.pair.com | ||||||
| A | 216.92.161.50🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail8.g24.pair.com | ||||||
| TXT | v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a... | ||||||
| SOA | dns4.pair.comroot@pair.com 2026-07-09 #16 | ||||||
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=1785778047 | ||||||
PTR for
Subdomains
www.circle4.com |
Same first word
circle4.com |
DNS History
11 records (4 active, 7 former)
●NSdns4.pair.com2026-07-16 → 2026-08-03 · 3 obs
● 2026-07-16 14:04:24
● 2026-08-03 17:40:12
○NSns0000.ns0.com2007-09-23 → 2026-05-06 · 4 obs
● 2026-05-06 23:27:24
○ 2026-07-16 14:04:24
○ 2026-08-03 17:40:12
○NSns321.pair.com2007-09-23 → 2026-05-06 · 7 obs
○ 2015-06-07 23:13:24
○ 2017-02-06 01:45:36
● 2026-02-28 03:18:56
● 2026-05-06 23:27:24
○ 2026-07-16 14:04:24
○ 2026-08-03 17:40:12
○NSns548.pair.com2015-06-07 → 2026-05-06 · 5 obs
● 2015-06-07 23:13:24
● 2026-05-06 23:27:24
○ 2026-07-16 14:04:24
○ 2026-08-03 17:40:12
●NSns9.ns0.com2026-07-16 → 2026-08-03 · 3 obs
● 2026-07-16 14:04:24
● 2026-08-03 17:40:12
●MXmail8.g24.pair.com2026-07-16 → 2026-08-03 · 3 obs
● 2026-07-16 14:04:24
● 2026-08-03 17:40:12
○MXmailwa(0x73683137).pair.com2007-09-23 → 2007-09-23 · 3 obs
○ 2015-06-07 23:13:24
○ 2026-08-03 17:40:12
○MXmailwash23.pair.com2015-06-07 → 2017-02-06 · 5 obs
● 2015-06-07 23:13:24
● 2017-02-06 01:45:36
○ 2026-02-28 03:18:56
○ 2026-08-03 17:40:12
○MXmailwash56.pair.com2026-02-28 → 2026-05-06 · 5 obs
● 2026-02-28 03:18:56
● 2026-05-06 23:27:24
○ 2026-07-16 14:04:24
○ 2026-08-03 17:40:12
○A216.92.103.542007-09-23 → 2026-05-06 · 4 obs
● 2026-05-06 23:27:24
○ 2026-07-16 14:04:24
○ 2026-08-03 17:40:12
●A216.92.20.32026-07-16 → 2026-08-03 · 3 obs
● 2026-07-16 14:04:24
● 2026-08-03 17:40:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| circle4.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 circle4.com (unsigned zone)
⏱️ Timing
Total: 252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.92.20.3 |
| NS | 2 | ns9.ns0.com, dns4.pair.com |
| MX | 1 | mail8.g24.pair.com (pri: 50) |
| TXT | 1 | v=spf1 include:webmail.pair.com include: |
| 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
Hierarchy
circle4.com is the parent zone for www.circle4.com.
IP Addresses
circle4.com points to a single IP number: 216.92.20.3.
Name Servers
Two name servers handle the delegation for circle4.com: ns9.ns0.com and dns4.pair.com.
circle4.com shares its name server setup with other domains, including georgemacor.com, ictradinggroup.com, terridipaolo.com and two others.
circle4.com partially shares its NS delegation with several other domains, including mountainhighappliance.com, email.pairsite.com, eandmdelivery.com and two others.
In DNS configurations, these name servers often share authority with ns2.quickserve.com, ns8.ns0.com, ns7.ns0.com and 3 other name servers.
Host names with two IP numbers:
dns4.pair.com resolves to two addresses: 216.92.252.10 and 2607:f440::d85c:fc0a.
Mail Servers
circle4.com has one mail server: mail8.g24.pair.com.
circle4.com shares the same mail server setup as other domains, including suspenders.com, fitnesstwins.com, valyogasandiego.com and two others.
The host mail8.g24.pair.com resolves to 216.92.161.50 and 2607:f440::d85c:a132 — two IP addresses.