robertusmd.com - dns.ninja
robertusmd.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=1786248699 | ||||||
PTR for
Subdomains
Same first word
robertusmd.ca |
robertusmd.com |
DNS History
17 records (9 active, 8 former)
○NSns1.pepelatz.net2015-12-27 → 2017-02-13 · 5 obs
● 2015-12-27 20:01:20
● 2017-02-13 09:33:38
○ 2026-02-23 19:08:14
○ 2026-08-09 04:31:24
○NSns1.robertusmd.com2015-08-13 → 2015-08-13 · 3 obs
○ 2015-12-27 20:01:20
○ 2026-08-09 04:31:24
●NSns1.robertustech.com2026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
○NSns2.pepelatz.net2015-12-27 → 2017-02-13 · 5 obs
● 2015-12-27 20:01:20
● 2017-02-13 09:33:38
○ 2026-02-23 19:08:14
○ 2026-08-09 04:31:24
○NSns2.robertusmd.com2015-08-13 → 2015-08-13 · 3 obs
○ 2015-12-27 20:01:20
○ 2026-08-09 04:31:24
●NSns2.robertustech.com2026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
○NSns3.robertusmd.com2015-08-13 → 2017-02-13 · 4 obs
● 2017-02-13 09:33:38
○ 2026-02-23 19:08:14
○ 2026-08-09 04:31:24
○NSns4.robertusmd.com2015-08-13 → 2017-02-13 · 5 obs
○ 2015-12-27 20:01:20
● 2017-02-13 09:33:38
○ 2026-02-23 19:08:14
○ 2026-08-09 04:31:24
●MXmail.robertusmd.com2015-08-13 → 2026-08-09 · 2 obs
● 2026-08-09 04:31:24
●MXmail2.robertusmd.com2015-08-13 → 2026-08-09 · 2 obs
● 2026-08-09 04:31:24
○A158.69.51.692016-06-29 → 2017-02-13 · 5 obs
● 2016-06-29 18:12:08
● 2017-02-13 09:33:38
○ 2026-02-23 19:08:14
○ 2026-08-09 04:31:24
●A192.168.1.1102026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
●A2607:5300:203:61dd::102026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
●A2607:5300:203:9f5f::102026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
●A51.79.79.2212026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
●A54.39.93.992026-02-23 → 2026-08-09 · 3 obs
● 2026-02-23 19:08:14
● 2026-08-09 04:31:24
○A72.167.244.2112015-08-13 → 2016-03-28 · 4 obs
● 2016-03-28 02:28:04
○ 2016-06-29 18:12:08
○ 2026-08-09 04:31:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| robertusmd.com | ns1.robertustech.com, ns2.robertustech.com | 4 records |
✅ Authoritative Response
Server:54.39.93.97
NS records: ns1.robertustech.com, ns2.robertustech.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 54.39.93.99, 192.168.1.110... |
| AAAA | 2 | 2607:5300:203:61dd::10, 2607:5300:203:9f5f::10 |
| NS | 2 | ns2.robertustech.com, ns1.robertustech.com |
| MX | 2 | mail.robertusmd.com (pri: 0), mail2.robertusmd.com (pri: 150) |
| TXT | 2 | v=spf1 ip4:54.39.93.97 +a +mx +ip4:158.6, dropbox-domain-verification=e2rw31agmp6a |
| SOA | 1 | ns1.robertustech.com robertus.rogers.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.robertustech.com, ns1.robertustech.com, ns2.robertustech.com...)
Analysis
Hierarchy
argon.robertusmd.com, epsilon.robertusmd.com, mail2.robertusmd.com and mail.robertusmd.com each fall under the parent domain robertusmd.com.
IP Addresses
robertusmd.com resolves to five IP numbers: 51.79.79.221, 54.39.93.99, 192.168.1.110 and two others
Two other host names, along with indexdynamic.com, robertusmd.ca and stimpla.is, also share IP numbers with robertusmd.com.
Name Servers
robertusmd.com uses two name servers for its delegation: ns1.robertustech.com and ns2.robertustech.com.
robertusmd.com shares its NS records with other domains, for example rcsmedica.com, pepelatz.net, faxcomgroup.com and two others.
At least some of robertusmd.com's name servers are also used by other domains, among them e-domania.com.
These name servers are regularly seen alongside ns1.pepelatz.net and ns2.pepelatz.net as name servers.
The two host names ns1.robertustech.com and ns2.robertustech.com each have a pair of IP addresses: ns1.robertustech.com has 54.39.93.97 and 2607:5300:203:9f5f::10, and ns2.robertustech.com has 66.70.145.9 and 2607:5300:203:17a7::1:9.
Mail Servers
robertusmd.com is served by two mail servers, mail2.robertusmd.com and mail.robertusmd.com.
Host names that have two IP addresses:
mail.robertusmd.com directs traffic to 54.39.93.99 and 2607:5300:203:9f5f::10.
Host names that point to one IP address:
mail2.robertusmd.com has the IP address 54.39.93.99.
Both mail.robertusmd.com and mail2.robertusmd.com resolve to 54.39.93.99 IP addresses each.