pre-sort.com - dns.ninja
pre-sort.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.197.72.109🇺🇸 DIGITALOCEAN138.197.64.0/20 DigitalOcean | ||||||
| PTR | lightning2-1.rb-com.com | ||||||
| NS | ns2.rb-com.com ⭐ | ||||||
| A | 138.197.213.218🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean | ||||||
| PTR | habu4.rb-com.com | ||||||
| NS | ns3.rb-com.com | ||||||
| A | 138.197.213.218🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean | ||||||
| PTR | habu4.rb-com.com | ||||||
| NS | ns4.rb-com.com | ||||||
| A | 138.197.198.18🇺🇸 DIGITALOCEAN138.197.192.0/20 DigitalOcean | ||||||
| PTR | venom1-1.rb-com.com | ||||||
| NS | ns5.rb-com.com | ||||||
| A | 138.197.198.18🇺🇸 DIGITALOCEAN138.197.192.0/20 DigitalOcean | ||||||
| PTR | venom1-1.rb-com.com | ||||||
| MX | smtp.pre-sort.com ⭐ | ||||||
| A | 138.197.213.218🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean | ||||||
| PTR | habu4.rb-com.com | ||||||
| TXT | v=spf1 include:rb-com.com include:_spf.spamarrest.com -all | ||||||
| SOA | ns2.rb-com.comrsa@pre-sort.com 2018-12-14 #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=1785835732 | ||||||
Subdomains
smtp.pre-sort.com |
Same first word
pre-sort.com |
Similar names
rp-store.de |
porter-s.com |
re-sport.ru |
pro-rest.ru |
pro-rest.com |
pre-stor.net |
prot-res.ch |
re-ports.ru |
p-resort.com |
rp-store.com |
pre-stor.org |
pro-sert.com |
DNS History
8 records (6 active, 2 former)
○NSns1.rb-com.com2015-06-10 → 2017-09-02 · 4 obs
● 2017-09-02 10:14:20
○ 2026-02-21 07:59:18
○ 2026-08-04 09:44:24
●NSns2.rb-com.com2015-06-10 → 2026-08-04 · 2 obs
● 2026-08-04 09:44:24
●NSns3.rb-com.com2026-02-21 → 2026-08-04 · 3 obs
● 2026-02-21 07:59:18
● 2026-08-04 09:44:24
●NSns4.rb-com.com2015-06-10 → 2026-08-04 · 2 obs
● 2026-08-04 09:44:24
●NSns5.rb-com.com2015-06-10 → 2026-08-04 · 2 obs
● 2026-08-04 09:44:24
●MXsmtp.pre-sort.com2015-06-10 → 2026-08-04 · 2 obs
● 2026-08-04 09:44:24
●A138.197.72.1092026-02-21 → 2026-08-04 · 3 obs
● 2026-02-21 07:59:18
● 2026-08-04 09:44:24
○A173.226.114.2502015-06-10 → 2017-09-02 · 4 obs
● 2017-09-02 10:14:20
○ 2026-02-21 07:59:18
○ 2026-08-04 09:44:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| pre-sort.com | ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com, ns5.rb-com.com | 4 records |
✅ Authoritative Response
Server:138.197.213.218
NS records: ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com, ns5.rb-com.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pre-sort.com (unsigned zone)
⏱️ Timing
Total: 3174ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.197.72.109 |
| NS | 4 | ns3.rb-com.com, ns2.rb-com.com... |
| MX | 1 | smtp.pre-sort.com (pri: 10) |
| TXT | 1 | v=spf1 include:rb-com.com include:_spf.s |
| SOA | 1 | ns2.rb-com.com rsa.pre-sort.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com...)
Analysis
Hierarchy
pre-sort.com is the parent zone for smtp.pre-sort.com.
IP Addresses
pre-sort.com points to a single IP number: 138.197.72.109.
Additional host names — avionicswest.com, goldroof.com, gecs.org and two others — share IP numbers with pre-sort.com.
Name Servers
pre-sort.com has four authoritative name servers: ns2.rb-com.com, ns3.rb-com.com, ns4.rb-com.com and ns5.rb-com.com.
pre-sort.com partially shares its NS delegation with several other domains, including avionicswest.com, postperspective.com, 360icm.com and two others.
These name servers often co-occur with the name servers ns1.rb-com.com.
ns2.rb-com.com and ns3.rb-com.com each resolve to 138.197.213.218, while ns4.rb-com.com and ns5.rb-com.com each resolve to 138.197.198.18.
These two host names — ns2.rb-com.com and ns3.rb-com.com — each point to 138.197.213.218 IP addresses.
These two host names — ns4.rb-com.com and ns5.rb-com.com — each point to 138.197.198.18 IP addresses.
Mail Servers
pre-sort.com has one mail server: smtp.pre-sort.com.
There is one IP number for smtp.pre-sort.com: 138.197.213.218.