mycrlstudy.com - robtex.com
mycrlstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 12.191.27.123🇺🇸 AS701812.128.0.0/9 12/8 upper half | ||||||
| NS | auth02.ns.uu.net ⭐ | ||||||
| A | 198.6.1.82🇺🇸 AS701198.6.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | auth02.ns.uu.net | ||||||
| NS | auth20.ns.wcom.com | ||||||
| A | 198.6.100.37🇺🇸 AS701198.6.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| MX | mail01.us.crl.com ⭐ | ||||||
| MX | mail02.us.crl.com ⭐ | ||||||
| MX | mail01.eur.crl.com(20) | ||||||
| MX | mail02.eur.crl.com(30) | ||||||
| SOA | auth02.ns.uu.nethostmaster@UU.NET serial=7 | ||||||
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=1776082522 | ||||||
Same first word
mycrlstudy.us |
mycrlstudy.net |
mycrlstudy.com |
DNS History
7 records (7 active, 0 former)
●NSauth20.ns.wcom.com2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
●MXmail01.eur.crl.com2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
●MXmail01.us.crl.com2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
●MXmail02.eur.crl.com2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
●MXmail02.us.crl.com2015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
●A12.191.27.1232015-07-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:22:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| mycrlstudy.com | auth20.ns.wcom.com, auth02.ns.uu.net | 1 record |
✅ Authoritative Response
Server:198.6.1.82
NS records: auth20.ns.wcom.com, auth02.ns.uu.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mycrlstudy.com (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 12.191.27.123 |
| NS | 2 | auth02.ns.uu.net, auth20.ns.wcom.com |
| MX | 4 | mail02.eur.crl.com (pri: 30), mail01.us.crl.com (pri: 10)... |
| SOA | 1 | auth02.ns.uu.net hostmaster.UU.NET |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (auth20.ns.wcom.com)
Analysis
IP Addresses
mycrlstudy.com points to IP number: 12.191.27.123.
Name Servers
mycrlstudy.com is delegated to two name servers: auth20.ns.wcom.com and auth02.ns.uu.net.
mycrlstudy.com shares the same name server setup as 66.100.63.in-addr.arpa, 110.252.206.in-addr.arpa, 216.213.65.in-addr.arpa, 183.88.204.in-addr.arpa and 119.252.206.in-addr.arpa.
mycrlstudy.com at least partially shares name servers with other domains, for instance obo.de, 158.206.208.in-addr.arpa, 249.119.63.in-addr.arpa, 2.239.208.in-addr.arpa and ewtnreligiouscatalogue.com.
These name servers are commonly used alongside auth40.ns.uu.net, auth60.ns.uu.net, auth10.ns.wcom.com, auth04.ns.de.uu.net, auth54.ns.de.uu.net, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, auth51.ns.uu.net, auth01.ns.uu.net and ns.sixcontinentshotels.com.
Host names with a single IP:
auth20.ns.wcom.com points to 198.6.100.37.
auth02.ns.uu.net points to 198.6.1.82.
Mail Servers
Four mail servers handle mycrlstudy.com: mail01.eur.crl.com, mail02.eur.crl.com, mail01.us.crl.com and mail02.us.crl.com.
mycrlstudy.com shares some mail servers with other domains, at least partially, for example ca.crl.com, us.crl.com, ie.crl.com and uk.crl.com.