masterdatascience.com - robtex.com
masterdatascience.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=1783831882 | ||||||
Same first word
masterdatascience.online |
masterdatascience.com |
Similar names
DNS History
11 records (11 active, 0 former)
●NSns-1498.awsdns-59.org2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●NSns-1551.awsdns-01.co.uk2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●NSns-336.awsdns-42.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●NSns-651.awsdns-17.net2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXalt1.aspmx.l.google.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXalt2.aspmx.l.google.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXaspmx.l.google.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXaspmx2.googlemail.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXaspmx3.googlemail.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXaspmx4.googlemail.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
●MXaspmx5.googlemail.com2015-05-21 → 2026-07-12 · 2 obs
● 2026-07-12 05:01:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| masterdatascience.com | ns-651.awsdns-17.net, ns-336.awsdns-42.com, ns-1551.awsdns-01.co.uk, ns-1498.awsdns-59.org | 2 records |
✅ Authoritative Response
Server:205.251.194.139
NS records: ns-651.awsdns-17.net, ns-336.awsdns-42.com, ns-1551.awsdns-01.co.uk, ns-1498.awsdns-59.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterdatascience.com (unsigned zone)
⏱️ Timing
Total: 476ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1498.awsdns-59.org, ns-1551.awsdns-01.co.uk... |
| MX | 7 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| SOA | 1 | ns-1551.awsdns-01.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-336.awsdns-42.com, ns-336.awsdns-42.com)
Analysis
Name Servers
Four name servers handle the delegation for masterdatascience.com: ns-336.awsdns-42.com, ns-651.awsdns-17.net, ns-1498.awsdns-59.org and ns-1551.awsdns-01.co.uk.
masterdatascience.com partially shares its NS delegation with several other domains, including getsilversneakers.com, 36.63.16.in-addr.arpa, d1czs6glxrsm37.cloudfront.net and two others.
These name servers tend to appear together with the name servers ns-460.awsdns-57.com, ns-920.awsdns-51.net and ns1.tukios.net, plus two others.
ns-336.awsdns-42.com, ns-651.awsdns-17.net, ns-1498.awsdns-59.org and ns-1551.awsdns-01.co.uk each carry two IP addresses. ns-336.awsdns-42.com has 205.251.193.80 and 2600:9000:5301:5000::1; ns-651.awsdns-17.net has 205.251.194.139 and 2600:9000:5302:8b00::1; ns-1498.awsdns-59.org has 205.251.197.218 and 2600:9000:5305:da00::1; ns-1551.awsdns-01.co.uk has 205.251.198.15 and 2600:9000:5306:f00::1.
Mail Servers
The MX records for masterdatascience.com point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
At least some of the mail servers used by masterdatascience.com are shared with other domains: dakotastones.com, kontoreins.com, 607.media and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.27 IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.