mastercert.com - dns.ninja
mastercert.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.namefind.com ⭐ | ||||||
| A | 97.74.99.64🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.namefind.com | ||||||
| NS | ns2.namefind.com | ||||||
| A | 173.201.67.64🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namefind.comdns@jomax.net 2023-03-15 #0 | ||||||
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=1784946467 | ||||||
Previously MX for
mastercert.com |
Same first word
mastercert.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.namefind.com2026-07-08 → 2026-07-25 · 3 obs
● 2026-07-08 07:55:24
● 2026-07-25 02:50:46
○NSns1.on-rev.com2015-06-14 → 2017-07-04 · 4 obs
● 2017-07-04 22:51:28
○ 2026-07-08 07:55:24
○ 2026-07-25 02:50:46
●NSns2.namefind.com2026-07-08 → 2026-07-25 · 3 obs
● 2026-07-08 07:55:24
● 2026-07-25 02:50:46
○NSns2.on-rev.com2015-06-14 → 2017-07-04 · 4 obs
● 2017-07-04 22:51:28
○ 2026-07-08 07:55:24
○ 2026-07-25 02:50:46
○NSns3.on-rev.com2015-06-14 → 2017-07-04 · 4 obs
● 2017-07-04 22:51:28
○ 2026-07-08 07:55:24
○ 2026-07-25 02:50:46
○MXmastercert.com2015-06-14 → 2017-07-04 · 4 obs
● 2017-07-04 22:51:28
○ 2026-07-08 07:55:24
○ 2026-07-25 02:50:46
●A13.248.169.482026-07-08 → 2026-07-25 · 3 obs
● 2026-07-08 07:55:24
● 2026-07-25 02:50:46
○A37.187.28.1682015-06-14 → 2015-12-30 · 4 obs
● 2015-12-30 07:19:28
○ 2016-04-09 22:24:34
○ 2026-07-25 02:50:46
○A50.28.38.702016-04-09 → 2017-07-04 · 5 obs
● 2016-04-09 22:24:34
● 2017-07-04 22:51:28
○ 2026-07-08 07:55:24
○ 2026-07-25 02:50:46
●A76.223.54.1462026-07-08 → 2026-07-25 · 3 obs
● 2026-07-08 07:55:24
● 2026-07-25 02:50:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| mastercert.com | ns2.namefind.com, ns1.namefind.com | 2 records |
✅ Authoritative Response
Server:173.201.67.64
NS records: ns2.namefind.com, ns1.namefind.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercert.com (unsigned zone)
⏱️ Timing
Total: 103ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns1.namefind.com, ns2.namefind.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.namefind.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.namefind.com, ns1.namefind.com)
Analysis
IP Addresses
mastercert.com points to the IP addresses 13.248.169.48 and 76.223.54.146
Two other host names, along with leemadison.com, fbck.d-api.com and fmis.us, also share IP numbers with mastercert.com.
Name Servers
mastercert.com is served by two delegated name servers, ns1.namefind.com and ns2.namefind.com.
mastercert.com shares its NS records with other domains, for example rvlo.com, carpetpro.org, promdresses.u4.org and two others.
ns1.namefind.com → 97.74.99.64 and ns2.namefind.com → 173.201.67.64: one IP number per host name.