nullmx.mastercools.com - robtex.com
nullmx.mastercools.com
| CNAME | traff-https.hugedomains.com | ||||||
| CNAME | hdl-prd-https-0699149ba9be518e.elb.us-east-1.amazonaws.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
mastercools.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
| NS | ns1.namebrightdns.com ⭐ | ||||||
| NS | nsg1.namebrightdns.com | ||||||
| NS | nsg2.namebrightdns.com | ||||||
| TXT | afternic-verification-G9G3tM8T8EwEizzPzjGJWF | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namebrightdns.comdns@namebright.com 2026-02-26 #1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
17 records (7 active, 10 former)
○NSns1.namebrightdns.com2015-06-11 → 2016-04-23 · 3 obs
● 2015-06-11 09:41:18
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
○NSns2.namebrightdns.com2015-06-11 → 2016-04-23 · 5 obs
● 2015-06-11 09:41:18
○ 2015-10-26 21:31:48
● 2016-01-04 21:45:04
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
○ 2015-10-26 21:31:48
● 2016-01-04 21:45:04
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
●NSnsg1.namebrightdns.com2015-10-26 → 2026-02-26 · 5 obs
○ 2015-06-11 09:41:18
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
● 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
● 2016-04-23 02:42:12
● 2026-02-26 22:30:34
●NSnsg2.namebrightdns.com2015-10-26 → 2026-02-26 · 5 obs
○ 2015-06-11 09:41:18
● 2015-10-26 21:31:48
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2015-10-26 21:31:48
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
○MXanmail.namebrightmail.com2015-06-11 → 2015-06-11 · 3 obs
● 2015-06-11 09:41:18
○ 2015-10-26 21:31:48
○ 2026-02-26 22:30:34
○ 2015-10-26 21:31:48
○ 2026-02-26 22:30:34
○A107.23.160.2182016-01-04 → 2016-01-04 · 4 obs
○ 2015-10-26 21:31:48
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
●A13.223.25.842026-02-26 → 2026-02-26 · 2 obs
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2026-02-26 22:30:34
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-26 → 2026-02-26 · 2 obs
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2026-02-26 22:30:34
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-26 → 2026-02-26 · 2 obs
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2026-02-26 22:30:34
○A52.200.243.1232016-04-23 → 2016-04-23 · 3 obs
○ 2016-01-04 21:45:04
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
○A54.152.144.2432016-04-23 → 2016-04-23 · 3 obs
○ 2016-01-04 21:45:04
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
○A54.174.31.2542015-06-11 → 2015-10-26 · 4 obs
● 2015-06-11 09:41:18
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
○ 2026-02-26 22:30:34
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
○ 2026-02-26 22:30:34
○A54.208.74.2152015-06-11 → 2015-10-26 · 4 obs
● 2015-06-11 09:41:18
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
○ 2026-02-26 22:30:34
● 2015-10-26 21:31:48
○ 2016-01-04 21:45:04
○ 2026-02-26 22:30:34
○A54.209.90.812016-01-04 → 2016-01-04 · 4 obs
○ 2015-10-26 21:31:48
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-01-04 21:45:04
○ 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
●A54.243.117.1972026-02-26 → 2026-02-26 · 2 obs
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2026-02-26 22:30:34
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-11 → 2016-04-23 · 3 obs
● 2015-06-11 09:41:18
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
● 2016-04-23 02:42:12
○ 2026-02-26 22:30:34
●CNAMEtraff-https.hugedomains.com2026-02-26 → 2026-02-26 · 2 obs
○ 2016-04-23 02:42:12
● 2026-02-26 22:30:34
● 2026-02-26 22:30:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| mastercools.com | nsg1.namebrightdns.com, nsg2.namebrightdns.com | 16 records |
✅ Authoritative Response
Server: 100.54.250.231
NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercools.com (unsigned zone)
⏱️ Timing
Total: 330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.223.25.84, 54.243.117.197 |
| AAAA | 2 | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee |
| NS | 2 | nsg2.namebrightdns.com, nsg1.namebrightdns.com |
| CNAME | 1 | traff-https.hugedomains.com |
📌 Glue Records Collected
Total: 16
Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)
AI analysis
nullmx.mastercools.com resolves to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.
other host names for instance lost-nation.com, baoyian.com, frinews.com, 536b6.jsdcoffee.com and msmdm.com share IP numbers with nullmx.mastercools.com.