ctmath.com - dns.ninja
ctmath.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.pairnic.com ⭐ | ||||||
| A | 2607:f440::d85c:35b🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns1.pairnic.com | ||||||
| A | 216.92.3.91🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns1.pairnic.com | ||||||
| NS | ns2.pairnic.com | ||||||
| A | 2607:f441::d892:c0f4🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States | ||||||
| PTR | ns2.pairnic.com | ||||||
| A | 216.146.192.244🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | ns2.pairnic.com | ||||||
| MX | mailwash28.pair.com ⭐ | ||||||
| A | 66.39.2.57🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mailwash57.pair.com | ||||||
| SOA | ns1.pairnic.comroot@pair.com 2019-03-25 #48 | ||||||
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=1783236051 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.pairnic.com2015-07-25 → 2026-07-05 · 2 obs
● 2026-07-05 07:28:50
●NSns2.pairnic.com2015-07-25 → 2026-07-05 · 2 obs
● 2026-07-05 07:28:50
●MXmailwash28.pair.com2015-07-25 → 2026-07-05 · 2 obs
● 2026-07-05 07:28:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ctmath.com | ns2.pairnic.com, ns1.pairnic.com | 4 records |
✅ Authoritative Response
Server:216.92.3.91
NS records: ns2.pairnic.com, ns1.pairnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctmath.com (unsigned zone)
⏱️ Timing
Total: 3362ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | NS2.PAIRNIC.com, NS1.PAIRNIC.com |
| MX | 1 | mailwash28.pair.com (pri: 1) |
| SOA | 1 | ns1.pairnic.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.pairnic.com, ns2.pairnic.com, ns1.pairnic.com...)
Analysis
Name Servers
ctmath.com uses two name servers for its delegation: ns1.pairnic.com and ns2.pairnic.com.
ctmath.com has the same name server delegation as a number of other domains, such as algoryx.org, gibranramos.com, ocarroll.info and two more.
The two host names ns1.pairnic.com and ns2.pairnic.com each have a pair of IP addresses: ns1.pairnic.com has 216.92.3.91 and 2607:f440::d85c:35b, and ns2.pairnic.com has 216.146.192.244 and 2607:f441::d892:c0f4.
Mail Servers
ctmath.com routes its mail through a single mail server, mailwash28.pair.com.
ctmath.com has the same mail server arrangement as a number of other domains, for example drumming-event.com, sandpounder.com, vaginaldavis.com and two more.
At least some of ctmath.com's mail servers are shared with other domains, among them creatingthelie.com, rrdiamond.es and ctls.biz.
These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.
mailwash28.pair.com directs to just one IP number, 66.39.2.57.