certificationpractice.com - robtex.com
certificationpractice.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=1790802029 | ||||||
Same first word
certificationpractice.com |
certificationpractice.store |
Previous names
Next names
DNS History
9 records (5 active, 4 former)
●NSdns1.registrar-servers.com2026-09-04 → 2026-09-30 · 3 obs
● 2026-09-04 03:46:06
● 2026-09-30 21:26:42
●NSdns2.registrar-servers.com2026-09-04 → 2026-09-30 · 3 obs
● 2026-09-04 03:46:06
● 2026-09-30 21:26:42
○NSns-cloud-b1.googledomains.com2017-10-17 → 2017-10-17 · 3 obs
○ 2026-09-04 03:46:06
○ 2026-09-30 21:26:42
○NSns-cloud-b2.googledomains.com2017-10-17 → 2017-10-17 · 3 obs
○ 2026-09-04 03:46:06
○ 2026-09-30 21:26:42
○NSns-cloud-b3.googledomains.com2017-10-17 → 2017-10-17 · 3 obs
○ 2026-09-04 03:46:06
○ 2026-09-30 21:26:42
○NSns-cloud-b4.googledomains.com2017-10-17 → 2017-10-17 · 3 obs
○ 2026-09-04 03:46:06
○ 2026-09-30 21:26:42
●MXmail.protonmail.ch2026-09-04 → 2026-09-30 · 2 obs
● 2026-09-30 21:26:42
●MXmailsec.protonmail.ch2026-09-04 → 2026-09-30 · 2 obs
● 2026-09-30 21:26:42
●A76.76.21.212026-09-04 → 2026-09-30 · 2 obs
● 2026-09-30 21:26:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net... | - |
| certificationpractice.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certificationpractice.com (unsigned zone)
⏱️ Timing
Total: 385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 5 | v=spf1 include:_spf.protonmail.ch ~all, zoho-verification=zb25199906.zmverify.zo... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
certificationpractice.com points to a single IP number: 76.76.21.21.
Additional host names — appealkit.org, aionweb3.ai, envi-registros.co and two others — share IP numbers with certificationpractice.com.
Name Servers
certificationpractice.com uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.
certificationpractice.com shares its name server setup with other domains, including jermp-archive.com, swaggygift.com, xdeskproductions.com and two others.
certificationpractice.com has some name servers in common with other domains such as crayoma.ca, flowtbox.net and heartdynamics.com
These name servers regularly co-occur with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
certificationpractice.com has two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.
certificationpractice.com shares the same mail server setup as other domains, including jstevens.xyz, 1pingonlyvo.com, hpsr.sh and two others.
certificationpractice.com shares mail servers — at least in part — with other domains, including njshorenetworks.com, anandamail.com, supbro.com and two others.
mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).