celtocourse.com - robtex.com
celtocourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.a2hosting.com ⚠️ Not in zone NS records | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| NS | ns2.a2hosting.com ⚠️ Not in zone NS records | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
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=1785203747 | ||||||
MX for
celtocourse.com |
Subdomains
www.celtocourse.com |
Same first word
celtocourse.com |
Similar names
DNS History
12 records (2 active, 10 former)
●NSns1.a2hosting.com2017-06-24 → 2026-07-28 · 3 obs
● 2017-06-24 03:55:10
● 2026-07-28 02:00:52
●NSns2.a2hosting.com2017-06-24 → 2026-07-28 · 3 obs
● 2017-06-24 03:55:10
● 2026-07-28 02:00:52
○NSns3.a2hosting.com2017-06-24 → 2026-06-12 · 4 obs
● 2017-06-24 03:55:10
● 2026-06-12 08:17:04
○ 2026-07-28 02:00:52
○NSns4.a2hosting.com2017-06-24 → 2026-06-12 · 4 obs
● 2017-06-24 03:55:10
● 2026-06-12 08:17:04
○ 2026-07-28 02:00:52
○NSns57.domaincontrol.com2016-12-14 → 2016-12-14 · 3 obs
○ 2017-06-24 03:55:10
○ 2026-07-28 02:00:52
○NSns58.domaincontrol.com2016-12-14 → 2016-12-14 · 3 obs
○ 2017-06-24 03:55:10
○ 2026-07-28 02:00:52
○MXceltocourse.com2017-06-24 → 2026-06-12 · 4 obs
● 2017-06-24 03:55:10
● 2026-06-12 08:17:04
○ 2026-07-28 02:00:52
○MXmailstore1.secureserver.net2016-12-14 → 2016-12-14 · 3 obs
○ 2017-06-24 03:55:10
○ 2026-07-28 02:00:52
○MXsmtp.secureserver.net2016-12-14 → 2016-12-14 · 3 obs
○ 2017-06-24 03:55:10
○ 2026-07-28 02:00:52
○A50.63.202.322016-12-14 → 2016-12-14 · 3 obs
○ 2017-06-24 03:55:10
○ 2026-07-28 02:00:52
○A66.198.240.122026-03-06 → 2026-06-12 · 4 obs
● 2026-03-06 07:31:26
● 2026-06-12 08:17:04
○ 2026-07-28 02:00:52
○A66.198.240.72017-06-24 → 2017-06-24 · 4 obs
● 2017-06-24 03:55:10
○ 2026-03-06 07:31:26
○ 2026-07-28 02:00:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net... | - |
| celtocourse.com | ns1.a2hosting.com, ns2.a2hosting.com | 2 records |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.a2hosting.com, ns2.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for celtocourse.com (unsigned zone)
⏱️ Timing
Total: 727ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.a2hosting.com, ns2.a2hosting.com)
Analysis
Hierarchy
celtocourse.com is the parent zone for www.celtocourse.com.
Mail Server Role
celtocourse.com serves as a mail server for celtocourse.com.
Name Servers
Two name servers handle the delegation for celtocourse.com: ns1.a2hosting.com and ns2.a2hosting.com.
The name server configuration of celtocourse.com is shared with other domains, for instance pakiads.com, vipcare.com.au, olumuae.com and two others.
celtocourse.com partially shares its NS delegation with several other domains, including amerivision.org, ztrackdistribution.com, buzzio.net and two others.
In DNS configurations, these name servers often share authority with ns3.a2hosting.com, ns4.a2hosting.com, ns1.supercp.com and 5 other name servers.
ns1.a2hosting.com resolves to 13.248.158.180. ns2.a2hosting.com resolves to 75.2.118.134. Both host names point to a single IP number.