rdfo.com - dns.ninja
rdfo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.151.22🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s400.sureserver.com | ||||||
| NS | ns1.s400.sureserver.com ⭐ | ||||||
| A | 192.252.151.22🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s400.sureserver.com | ||||||
| NS | ns2.s400.sureserver.com | ||||||
| A | 192.252.152.22🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | ns2.s400.sureserver.com | ||||||
| MX | mail.rdfo.com ⭐ | ||||||
| A | 192.252.151.22🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s400.sureserver.com | ||||||
| TXT | v=spf1 a mx include:s400.smtp-spf.sureserver.com ~all | ||||||
| SOA | ns1.s400.sureserver.comhostmaster@rdfo.com serial=1782553847 | ||||||
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=1782552960 | ||||||
Subdomains
mail.rdfo.com |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.s400.sureserver.com2015-09-02 → 2026-06-27 · 2 obs
● 2026-06-27 09:57:40
●NSns2.s400.sureserver.com2015-09-02 → 2026-06-27 · 2 obs
● 2026-06-27 09:57:40
●MXmail.rdfo.com2015-09-02 → 2026-06-27 · 2 obs
● 2026-06-27 09:57:40
●A192.252.151.222020-02-27 → 2026-06-27 · 3 obs
● 2020-02-27 01:53:02
● 2026-06-27 09:57:40
○A216.35.197.652015-09-02 → 2016-11-19 · 4 obs
● 2016-11-19 07:34:24
○ 2020-02-27 01:53:02
○ 2026-06-27 09:57:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| rdfo.com | ns1.s400.sureserver.com, ns2.s400.sureserver.com | 2 records |
✅ Authoritative Response
Server:192.252.152.22
NS records: ns1.s400.sureserver.com, ns2.s400.sureserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rdfo.com (unsigned zone)
⏱️ Timing
Total: 331ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.151.22 |
| NS | 2 | ns1.s400.sureserver.com, ns2.s400.sureserver.com |
| MX | 1 | mail.rdfo.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:s400.smtp-spf.surese |
| SOA | 1 | ns1.s400.sureserver.com hostmaster.rdfo. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.s400.sureserver.com, ns2.s400.sureserver.com)
Analysis
Hierarchy
The domain mail.rdfo.com falls under the parent rdfo.com.
IP Addresses
rdfo.com points to a single IP number: 192.252.151.22.
Additional host names — appinstall.s400.sureserver.com, mail.shellyshelly.com, mail.kennie.org and two others — share IP numbers with rdfo.com.
Name Servers
rdfo.com is delegated to two name servers: ns1.s400.sureserver.com and ns2.s400.sureserver.com.
rdfo.com shares its name server setup with other domains, including aritree.com, pinerophotography.com, janustravel.com and two others.
rdfo.com shares at least some of its name servers with other domains, such as discoverchurchnetwork.org.
Each of ns1.s400.sureserver.com and ns2.s400.sureserver.com has one IP address: ns1.s400.sureserver.com uses 192.252.151.22 and ns2.s400.sureserver.com uses 192.252.152.22.
Mail Servers
rdfo.com has one mail server: mail.rdfo.com.
mail.rdfo.com resolves to a single IP number: 192.252.151.22.