diplomacourse.org - robtex.com
diplomacourse.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a07:7800::211🇬🇧 TWENTYI2a07:7800::/48 | ||||||
| A | 185.151.30.211🇬🇧 TWENTYI185.151.30.0/24 | ||||||
| NS | ns1.stackdns.com ⭐ | ||||||
| A | 35.197.225.59🇬🇧 Google35.197.224.0/20 | ||||||
| PTR | 59.225.197.35.bc.googleusercontent.com | ||||||
| NS | ns2.stackdns.com | ||||||
| A | 146.148.28.88🇧🇪 Google146.148.16.0/20 | ||||||
| PTR | 88.28.148.146.bc.googleusercontent.com | ||||||
| NS | ns3.stackdns.com | ||||||
| A | 35.198.79.191🇩🇪 Google35.198.64.0/20 | ||||||
| PTR | 191.79.198.35.bc.googleusercontent.com | ||||||
| NS | ns4.stackdns.com | ||||||
| A | 104.196.137.209🇺🇸 Google104.196.128.0/20 | ||||||
| PTR | 209.137.196.104.bc.googleusercontent.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| TXT | v=spf1 include:spf.stackmail.com a mx -all | ||||||
| TXT | google-site-verification=BKArEiYRERNsMpzJ_YtnKxHi-FfjKNEjWU6GTj_Ttbw | ||||||
| SOA | ns1.stackdns.comhostmaster@stackdns.com serial=1716540703 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1783190133 | ||||||
Same first word
diplomacourse.org |
DNS History
7 records (7 active, 0 former)
●NSns1.stackdns.com2026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●NSns2.stackdns.com2026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●NSns3.stackdns.com2026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●NSns4.stackdns.com2026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●MXmx.stackmail.com2026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●A185.151.30.2112026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
●A2a07:7800::2112026-06-15 → 2026-07-04 · 2 obs
● 2026-07-04 18:52:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| diplomacourse.org | ns1.stackdns.com, ns4.stackdns.com, ns3.stackdns.com, ns2.stackdns.com | - |
✅ Authoritative Response
Server:104.196.137.209
NS records: ns1.stackdns.com, ns4.stackdns.com, ns3.stackdns.com, ns2.stackdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for diplomacourse.org (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.151.30.211 |
| AAAA | 1 | 2a07:7800::211 |
| NS | 4 | ns4.stackdns.com, ns3.stackdns.com... |
| MX | 1 | mx.stackmail.com (pri: 10) |
| TXT | 2 | v=spf1 include:spf.stackmail.com a mx -a, google-site-verification=BKArEiYRERNsMpz |
| SOA | 1 | ns1.stackdns.com hostmaster.stackdns.com |
Analysis
IP Addresses
diplomacourse.org points to the IP addresses 185.151.30.211 and 2a07:7800::211
newsgil.com, www.westdupagecabinetsandgranite.com, wf1.auto-bulk.com plus two other host names have IP numbers in common with diplomacourse.org.
Name Servers
Four name servers handle the delegation for diplomacourse.org: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.
At least some of diplomacourse.org's name servers are shared with other domains, for example powerlifting.ca, horologe.co.uk, acadix.edu.pl and two more.
Four host names, each with one IP address: ns1.stackdns.com has 35.197.225.59, ns2.stackdns.com has 146.148.28.88, ns3.stackdns.com has 35.198.79.191 and ns4.stackdns.com has 104.196.137.209.
Mail Servers
diplomacourse.org uses one mail server — mx.stackmail.com.
The mail server setup of diplomacourse.org matches that of other domains such as crushed.com, iamessex.com, levmir.com and two others.
mx.stackmail.com has exactly one IP number: 185.151.28.67.