rfbu.com - robtex.com
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 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c1::13🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| A | 97.74.108.19🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns37.domaincontrol.com | ||||||
| NS | ns38.domaincontrol.com | ||||||
| A | 2603:5:22c1::13🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| A | 173.201.76.19🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns38.domaincontrol.com | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2023-03-31 #16 | ||||||
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=1777423486 | ||||||
Subdomains
nullmx.rfbu.com |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSbuy.internettraffic.com2015-08-13 → 2016-07-09 · 4 obs
● 2016-07-09 02:13:24
○ 2017-03-29 01:06:28
○ 2026-04-29 01:03:50
○NSns1.uniregistrymarket.link2017-03-29 → 2017-03-29 · 4 obs
● 2017-03-29 01:06:28
○ 2026-04-13 23:28:14
○ 2026-04-29 01:03:50
○NSns2.uniregistrymarket.link2017-03-29 → 2017-03-29 · 4 obs
● 2017-03-29 01:06:28
○ 2026-04-13 23:28:14
○ 2026-04-29 01:03:50
●NSns37.domaincontrol.com2026-04-13 → 2026-04-29 · 3 obs
● 2026-04-13 23:28:14
● 2026-04-29 01:03:50
●NSns38.domaincontrol.com2026-04-13 → 2026-04-29 · 3 obs
● 2026-04-13 23:28:14
● 2026-04-29 01:03:50
○NSsell.internettraffic.com2015-08-13 → 2016-07-09 · 4 obs
● 2016-07-09 02:13:24
○ 2017-03-29 01:06:28
○ 2026-04-29 01:03:50
●A15.197.204.562026-04-13 → 2026-04-29 · 3 obs
● 2026-04-13 23:28:14
● 2026-04-29 01:03:50
●A3.33.243.1452026-04-13 → 2026-04-29 · 3 obs
● 2026-04-13 23:28:14
● 2026-04-29 01:03:50
○A69.172.201.1532016-07-09 → 2017-03-29 · 5 obs
● 2016-07-09 02:13:24
● 2017-03-29 01:06:28
○ 2026-04-13 23:28:14
○ 2026-04-29 01:03:50
○A69.172.201.2082015-08-13 → 2016-03-03 · 4 obs
● 2016-03-03 10:18:56
○ 2016-07-09 02:13:24
○ 2026-04-29 01:03:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net... | - |
| rfbu.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfbu.com (unsigned zone)
⏱️ Timing
Total: 202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.204.56, 3.33.243.145 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
Hierarchy
rfbu.com is the parent of nullmx.rfbu.com.
IP Addresses
The entity rfbu.com points to two IP numbers: 3.33.243.145 and 15.197.204.56.
For instance, other host names asialandmarks.com, funnyplay.com, tokengun.com, grocerycoupons.biz and scionzc.com share IP numbers with rfbu.com.
Name Servers
rfbu.com is delegated to two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.
rfbu.com uses the same name server setup as other domains such as lightofdove.com, aplus-manager.com, mochabride.us, leasemypcs.com and managilia.net.
rfbu.com shares name servers with other domains at least partially, for example myclevercheck.com.
Host names with two IP numbers:
ns37.domaincontrol.com points to 2603:5:21c1::13 and 97.74.108.19; ns38.domaincontrol.com points to 2603:5:22c1::13 and 173.201.76.19.