iol.com - dns.ninja
iol.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=1781212268 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSauth01.ns.esat.net2015-08-15 → 2026-06-11 · 2 obs
● 2026-06-11 21:11:56
●NSauth02.ns.esat.net2015-08-15 → 2026-06-11 · 2 obs
● 2026-06-11 21:11:56
●NSsec01.ns.esat.net2015-08-15 → 2026-06-11 · 2 obs
● 2026-06-11 21:11:56
●NSsec02.ns.esat.net2026-02-15 → 2026-06-11 · 3 obs
● 2026-02-15 01:46:50
● 2026-06-11 21:11:56
●MXhub.mail.esat.net2015-08-15 → 2026-06-11 · 2 obs
● 2026-06-11 21:11:56
●MXmxbackup.esat.net2026-02-15 → 2026-06-11 · 3 obs
● 2026-02-15 01:46:50
● 2026-06-11 21:11:56
●A194.125.2.2432015-08-15 → 2026-06-11 · 2 obs
● 2026-06-11 21:11:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
| iol.com | sec02.ns.esat.net, auth02.ns.esat.net | - |
✅ Authoritative Response
Server:193.95.142.60
NS records: sec02.ns.esat.net, auth02.ns.esat.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iol.com (unsigned zone)
⏱️ Timing
Total: 2899ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.125.2.243 |
| NS | 2 | sec01.ns.esat.net, auth01.ns.esat.net |
| MX | 2 | mxbackup.esat.net (pri: 20), hub.mail.esat.net (pri: 10) |
| SOA | 1 | auth02.ns.esat.net hostmaster.esat.net |
Analysis
Hierarchy
iol.com is the parent domain of www.iol.com and ftp.iol.com.
IP Addresses
iol.com points to a single IP number: 194.125.2.243.
Name Servers
iol.com is delegated to four name servers, auth01.ns.esat.net, auth02.ns.esat.net, sec01.ns.esat.net and sec02.ns.esat.net.
At least some of iol.com's name servers are shared with other domains, for example kerryman.com, 160.202.213.in-addr.arpa, 1.125.194.in-addr.arpa and two more.
These name servers tend to be used in conjunction with the name servers ns.isi.ie.
Four hostnames, each resolving to a pair of IP addresses: auth01.ns.esat.net directs to 193.95.141.60 and 2001:7c8:3:1::5; auth02.ns.esat.net directs to 193.95.142.60 and 2001:7c8:3:2::5; sec01.ns.esat.net directs to 192.111.39.111 and 2001:7c8:2:a::3; sec02.ns.esat.net directs to 192.111.39.112 and 2001:7c8:2:a::2.
Mail Servers
iol.com has two mail servers: mxbackup.esat.net and hub.mail.esat.net.
iol.com shares its mail server setup with other domains, such as iol.ie.
iol.com shares mail servers — at least in part — with other domains, including smtpstore.esat.net, mxbackup01.mail.esat.net, uucp.esat.net and two others.
These mail servers are frequently used alongside the mail servers relay.esat.net, mail.graftonplc.com and hub.officelink.esat.net, plus two others.
Host names with four IP numbers:
hub.mail.esat.net directs to 193.120.142.29, 193.120.142.99, 193.120.142.159 and 193.120.143.152.
Host names with two IP numbers:
The A records for mxbackup.esat.net return 193.95.142.52 and 193.120.142.41.