masteringdba.com - dns.ninja
masteringdba.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.30.203.16🇮🇸 ICENET-AS1212.30.192.0/19 Mila hf. | ||||||
| PTR | 212-30-203-16.static.simnet.is | ||||||
| NS | ns1.mydomain.com ⭐ | ||||||
| A | 172.64.52.99🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.mydomain.com | ||||||
| A | 172.64.53.76🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.mydomain.com | ||||||
| A | 172.64.52.99🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.mydomain.com | ||||||
| A | 172.64.53.76🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.masteringdba.com ⭐ | ||||||
| A | 212.30.203.16🇮🇸 ICENET-AS1212.30.192.0/19 Mila hf. | ||||||
| PTR | 212-30-203-16.static.simnet.is | ||||||
| SOA | ns1.mydomain.comhostmaster@masteringdba.com 2012-07-26 #12 | ||||||
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=1786381174 | ||||||
Subdomains
mail.masteringdba.com |
Same first word
masteringdba.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.mydomain.com2015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
●NSns2.mydomain.com2015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
●NSns3.mydomain.com2015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
●NSns4.mydomain.com2015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
●MXmail.masteringdba.com2015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
●A212.30.203.162015-06-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| masteringdba.com | ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com, ns4.mydomain.com | 4 records |
✅ Authoritative Response
Server:172.64.52.99
NS records: ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com, ns4.mydomain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masteringdba.com (unsigned zone)
⏱️ Timing
Total: 217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.30.203.16 |
| NS | 4 | ns4.mydomain.com, ns3.mydomain.com... |
| MX | 1 | mail.masteringdba.com (pri: 0) |
| SOA | 1 | ns1.mydomain.com hostmaster.masteringdba |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com...)
Analysis
Hierarchy
mail.masteringdba.com is delegated beneath masteringdba.com.
IP Addresses
masteringdba.com resolves to one IP address: 212.30.203.16.
eshoplite.com, adsl8-16.simnet.is, 212-30-203-16.static.simnet.is and two other host names share IP numbers with masteringdba.com.
Name Servers
The authoritative name servers for masteringdba.com are ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com and ns4.mydomain.com.
There is at least partial name server overlap between masteringdba.com and other domains — vintageglamporium.net, vicentiu.org, pxsel.com and two more among them.
These name servers frequently co-occur with the name servers ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.
Of the four host names ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com and ns4.mydomain.com, each resolves to a single IP address: ns1.mydomain.com to 172.64.52.99, ns2.mydomain.com to 172.64.53.76, ns3.mydomain.com to 172.64.52.99 and ns4.mydomain.com to 172.64.53.76.
ns1.mydomain.com along with ns3.mydomain.com each resolve to 172.64.52.99 IP addresses.
ns2.mydomain.com along with ns4.mydomain.com each resolve to 172.64.53.76 IP addresses.
Mail Servers
Mail for masteringdba.com is handled by a single mail server, mail.masteringdba.com.
mail.masteringdba.com carries a single IP number, which is 212.30.203.16.