simath.com - robtex.com
simath.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.pair.com ⭐ ⚠️ Not in zone NS records | ||||||
| A | 2607:f440::d144:656🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | dns3.pair.com | ||||||
| A | 209.68.6.86🇺🇸 AS7859209.68.0.0/18 | ||||||
| PTR | dns3.pair.com | ||||||
| NS | ns0.ns0.com ⚠️ Not in zone NS records | ||||||
| A | 216.92.55.21🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| MX | mail2.g12.pair.com ⭐ | ||||||
| A | 2607:f440::4227:4a02🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail2.g12.pair.com | ||||||
| A | 66.39.74.2🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203 | ||||||
| PTR | mail2.g12.pair.com | ||||||
| SOA | dns3.pair.comroot@pair.com 2025-10-17 #15 | ||||||
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=1783833667 | ||||||
PTR for
Same first word
simath.com |
Similar names
DNS History
8 records (3 active, 5 former)
●NSdns3.pair.com2026-03-27 → 2026-07-12 · 3 obs
● 2026-03-27 03:36:58
● 2026-07-12 05:31:18
○NSns00.ns0.com2026-03-27 → 2026-07-03 · 8 obs
● 2026-03-27 03:36:58
○ 2026-06-26 05:06:14
● 2026-06-29 21:31:26
○ 2026-07-02 11:37:52
● 2026-07-03 13:10:30
○ 2026-07-12 05:31:16
○ 2026-07-12 05:31:18
○NSns93.pair.com2009-01-16 → 2017-07-09 · 4 obs
● 2017-07-09 00:27:42
○ 2026-03-27 03:36:58
○ 2026-07-12 05:31:18
●MXmail2.g12.pair.com2026-03-27 → 2026-07-12 · 5 obs
● 2026-03-27 03:36:58
○ 2026-06-26 05:06:14
● 2026-07-02 11:37:52
● 2026-07-12 05:31:18
○MXmailwash7.pair.com2009-01-16 → 2017-07-09 · 4 obs
● 2017-07-09 00:27:42
○ 2026-03-27 03:36:58
○ 2026-07-12 05:31:18
○A216.92.13.622009-01-16 → 2017-07-09 · 4 obs
● 2017-07-09 00:27:42
○ 2026-03-27 03:36:58
○ 2026-07-12 05:31:18
○A216.92.185.202026-03-27 → 2026-07-02 · 6 obs
● 2026-03-27 03:36:58
○ 2026-06-26 05:06:14
● 2026-07-02 11:37:52
○ 2026-07-03 13:10:30
○ 2026-07-12 05:31:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| simath.com | ns0.ns0.com, dns3.pair.com | 4 records |
✅ Authoritative Response
Server:216.92.55.21
NS records: ns0.ns0.com, dns3.pair.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simath.com (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.92.185.20 |
| NS | 2 | ns00.ns0.com, dns3.pair.com |
| TXT | 1 | v=spf1 include:webmail.pair.com include: |
| SOA | 1 | dns3.pair.com root.pair.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns0.ns0.com, ns0.ns0.com, dns3.pair.com...)
Analysis
Name Servers
Two name servers handle the delegation for simath.com: ns0.ns0.com and dns3.pair.com.
simath.com shares its name server setup with other domains, including excavationservicesct.com, icopam.com, artswansoft.com and two others.
There is at least partial name server overlap between simath.com and other domains — lemonade4heart.org, li4x4.com, creativetrax.com and two more among them.
These name servers regularly appear alongside ns8.ns0.com, dns2.pair.com, dns.pair.com and 5 other name servers in NS record sets.
Host names with two IP numbers:
dns3.pair.com resolves to two addresses: 209.68.6.86 and 2607:f440::d144:656.
Host names pointing to a single IP address:
The hostname ns0.ns0.com resolves to 216.92.55.21.
Mail Servers
simath.com has one mail server: mail2.g12.pair.com.
simath.com shares the same mail server setup as other domains, including plasmatix.com, kse.net, cmsirecruit.com and two others.
simath.com shares mail servers — at least in part — with other domains, including steelcityoralsurgery.com, gumrak.net, vendonymous.com and two others.
mail2.g12.pair.com carries two IP numbers: 66.39.74.2 and 2607:f440::4227:4a02.