bertholf.com - robtex.com
bertholf.com
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=1771291435 | ||||||
Subdomains
rob.bertholf.com |
Same first word
bertholf.com |
Similar names
DNS History
11 records (9 active, 2 former)
●NSns51.domaincontrol.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●NSns52.domaincontrol.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●MXalt1.aspmx.l.google.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●MXalt2.aspmx.l.google.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●MXaspmx.l.google.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●MXaspmx2.googlemail.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●MXaspmx3.googlemail.com2015-06-25 → 2026-03-12 · 2 obs
● 2026-03-12 05:53:40
●A15.197.225.1282026-03-11 → 2026-03-12 · 3 obs
● 2026-03-11 01:49:28
● 2026-03-12 05:53:40
○A184.106.55.622015-06-25 → 2017-03-30 · 4 obs
● 2017-03-30 10:21:38
○ 2020-04-05 02:55:48
○ 2026-03-12 05:53:40
○A184.168.131.2412020-04-05 → 2020-04-05 · 4 obs
● 2020-04-05 02:55:48
○ 2026-03-11 01:49:28
○ 2026-03-12 05:53:40
●A3.33.251.1682026-03-11 → 2026-03-12 · 3 obs
● 2026-03-11 01:49:28
● 2026-03-12 05:53:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| bertholf.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 97.74.105.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bertholf.com (unsigned zone)
⏱️ Timing
Total: 324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 30)... |
| TXT | 1 | protonmail-verification=58c0d572b4690b46 |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
Hierarchy
bertholf.com is the parent of rob.bertholf.com.
IP Addresses
bertholf.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names, for instance mademidwest.com, christinahickey.com, xiw.org, gdqa.com and apollo.digital share IP numbers with bertholf.com.
Name Servers
bertholf.com has two name servers: ns51.domaincontrol.com and ns52.domaincontrol.com.
bertholf.com shares the same name server setup as other domains, for example harvestbc.com, customimagesinc.com, bubbabuild.com, peaveydirect.com and alexiom.com.
Host names with two IP numbers:
ns51.domaincontrol.com points to: 2603:5:2192::1a and 97.74.105.26; ns52.domaincontrol.com points to: 2603:5:2292::1a and 173.201.73.26.
Mail Servers
bertholf.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
bertholf.com shares some mail servers with other domains, at least partially; for instance etarded.com, ns500841.ns500794.ns500794.ns500794.ns500821.ns500795.ns500794.ns500794.ns500821.ns500821.ns500795.lustypartnersfinder.com, jsy.ch, kateeve.com and spinalunwinding.com.
these mail servers are often used together with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx2.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27.
The host name aspmx3.googlemail.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27.
The host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
The host name alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
The host name alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
Host names that point to 2607:f8b0:4003:c30::1b are aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Host names that point to 2607:f8b0:4001:c70::1a are aspmx3.googlemail.com and alt2.aspmx.l.google.com.