nullmx.rfbu.com - robtex.com
nullmx.rfbu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.243.145🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | a3edc0dabdef92d6d.awsglobalaccelerator.com | ||||||
| A | 15.197.204.56🇺🇸 Amazon15.197.192.0/20 | ||||||
| TXT | v=spf1 -all | ||||||
rfbu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.243.145🇺🇸 Amazon3.33.240.0/20 | ||||||
| A | 15.197.204.56🇺🇸 Amazon15.197.192.0/20 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| NS | ns38.domaincontrol.com | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2023-03-31 #16 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
○NSbuy.internettraffic.com2015-07-13 → 2016-06-28 · 3 obs
● 2015-07-13 05:33:32
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
○NSsell.internettraffic.com2015-07-13 → 2016-06-28 · 3 obs
● 2015-07-13 05:33:32
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
●A15.197.204.562026-04-29 → 2026-04-29 · 2 obs
○ 2016-06-28 07:56:54
● 2026-04-29 01:05:10
● 2026-04-29 01:05:10
●A3.33.243.1452026-04-29 → 2026-04-29 · 2 obs
○ 2016-06-28 07:56:54
● 2026-04-29 01:05:10
● 2026-04-29 01:05:10
○A69.172.201.1532016-06-28 → 2016-06-28 · 3 obs
○ 2016-02-29 23:12:00
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
● 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
○A69.172.201.2082015-07-13 → 2016-02-29 · 4 obs
● 2015-07-13 05:33:32
● 2016-02-29 23:12:00
○ 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
● 2016-02-29 23:12:00
○ 2016-06-28 07:56:54
○ 2026-04-29 01:05:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| rfbu.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfbu.com (unsigned zone)
⏱️ Timing
Total: 170ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.204.56, 3.33.243.145 |
| TXT | 1 | v=spf1 -all |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
IP Addresses
nullmx.rfbu.com points to two IP numbers: 3.33.243.145 and 15.197.204.56.
Other host names such as selfreliance.co, sleepapneadentistnyc.com, vidstreaming.net, ibiza(0x787878).adultsallowed.com and www.arizonalawsuit.com share IPs with nullmx.rfbu.com.