msmath3.net - robtex.com
msmath3.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | pdns85.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::79🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| A | 156.154.64.85🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| NS | pdns85.ultradns.biz | ||||||
| A | 2610:a1:1015::79🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| A | 156.154.66.85🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| NS | pdns85.ultradns.net | ||||||
| A | 2610:a1:1014::79🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| A | 156.154.65.85🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| NS | pdns85.ultradns.org | ||||||
| A | 2001:502:4612::79🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| A | 156.154.67.85🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | pdns85.ultradns.comhostmaster@mheducation.com 2014-12-04 #20 | ||||||
net
| 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=1776073797 | ||||||
Subdomains
undefined.msmath3.net |
Same first word
msmath3.net |
DNS History
6 records (5 active, 1 former)
●NSpdns85.ultradns.biz2015-09-02 → 2026-04-13 · 2 obs
● 2026-04-13 09:51:10
●NSpdns85.ultradns.com2015-09-02 → 2026-04-13 · 2 obs
● 2026-04-13 09:51:10
●NSpdns85.ultradns.net2015-09-02 → 2026-04-13 · 2 obs
● 2026-04-13 09:51:10
●NSpdns85.ultradns.org2015-09-02 → 2026-04-13 · 2 obs
● 2026-04-13 09:51:10
○A192.243.93.752015-09-02 → 2018-08-15 · 4 obs
● 2018-08-15 21:30:56
○ 2026-03-28 14:34:54
○ 2026-04-13 09:51:10
●A204.74.99.1002026-03-28 → 2026-04-13 · 3 obs
● 2026-03-28 14:34:54
● 2026-04-13 09:51:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| msmath3.net | pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.67.85
NS records: pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for msmath3.net (unsigned zone)
⏱️ Timing
Total: 497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns85.ultradns.biz, pdns85.ultradns.com... |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | pdns85.ultradns.com hostmaster.mheducati |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns85.ultradns.net, pdns85.ultradns.net)
Analysis
Hierarchy
msmath3.net is a parent of undefined.msmath3.net.
IP Addresses
msmath3.net points to a single IP address: 204.74.99.100.
Other host names such as crazy.fakes.world.com, dupont.ae, mcdcnalds.com, lstine.fastservice.com and lfskaraborg.se share IP numbers with msmath3.net.
Name Servers
msmath3.net is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
At least part of the name servers for msmath3.net are shared with other domains, for instance teachingcasefiles.com, mhhealth.com, neurology.mhmedical.com, wgdlm.com and 157.129.216.in-addr.arpa.
Host names with two IP numbers:
pdns85.ultradns.biz points to: 2610:a1:1015::79 and 156.154.66.85
pdns85.ultradns.com points to: 2001:502:f3ff::79 and 156.154.64.85
pdns85.ultradns.net points to: 2610:a1:1014::79 and 156.154.65.85
pdns85.ultradns.org points to: 2001:502:4612::79 and 156.154.67.85