irbco.com - dns.ninja
irbco.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=1784407487 | ||||||
Subdomains
www.irbco.com |
Same first word
irbco.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.secure.net2015-08-03 → 2016-12-05 · 4 obs
● 2016-12-05 11:26:16
○ 2026-02-24 18:55:50
○ 2026-07-18 21:10:28
○NSns2.secure.net2015-08-03 → 2016-12-05 · 4 obs
● 2016-12-05 11:26:16
○ 2026-02-24 18:55:50
○ 2026-07-18 21:10:28
●NSns77.domaincontrol.com2026-02-24 → 2026-07-18 · 3 obs
● 2026-02-24 18:55:50
● 2026-07-18 21:10:28
●NSns78.domaincontrol.com2026-02-24 → 2026-07-18 · 3 obs
● 2026-02-24 18:55:50
● 2026-07-18 21:10:28
○MXcustommail.hyperoffice.com2015-08-03 → 2016-12-05 · 4 obs
● 2016-12-05 11:26:16
○ 2026-02-24 18:55:50
○ 2026-07-18 21:10:28
●MXus-smtp-inbound-1.mimecast.com2026-02-24 → 2026-07-18 · 3 obs
● 2026-02-24 18:55:50
● 2026-07-18 21:10:28
●MXus-smtp-inbound-2.mimecast.com2026-02-24 → 2026-07-18 · 3 obs
● 2026-02-24 18:55:50
● 2026-07-18 21:10:28
●A15.197.140.432026-02-24 → 2026-07-18 · 3 obs
● 2026-02-24 18:55:50
● 2026-07-18 21:10:28
○A199.116.77.262015-08-03 → 2016-12-05 · 4 obs
● 2016-12-05 11:26:16
○ 2026-02-24 18:55:50
○ 2026-07-18 21:10:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| irbco.com | ns77.domaincontrol.com, ns78.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.49
NS records: ns77.domaincontrol.com, ns78.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for irbco.com (unsigned zone)
⏱️ Timing
Total: 1505ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 15.197.140.43 |
| NS | 2 | ns77.domaincontrol.com, ns78.domaincontrol.com |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns77.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns77.domaincontrol.com, ns77.domaincontrol.com, ns78.domaincontrol.com...)
Analysis
Hierarchy
The domain www.irbco.com falls under the parent irbco.com.
IP Addresses
irbco.com directs to one IP number, which is 15.197.140.43.
Among the host names that share IP numbers with irbco.com are integreview.com, bio-optronics.com, www.integreview.com and two others.
Name Servers
Two name servers handle the delegation for irbco.com: ns77.domaincontrol.com and ns78.domaincontrol.com.
irbco.com has the same name server delegation as a number of other domains, such as toetalsecurity.com, natures-furniture.com, pnsrera.com and two more.
ns77.domaincontrol.com and ns78.domaincontrol.com both carry two IP addresses. The A records for ns77.domaincontrol.com are 97.74.108.49 and 2603:5:21c4::31; the A records for ns78.domaincontrol.com are 173.201.76.49 and 2603:5:22c4::31.
Mail Servers
The MX records for irbco.com point to two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
irbco.com has the same mail server arrangement as a number of other domains, for example flowtherm.com, legalmatch.net, tenable.com and two more.
irbco.com shares at least some of its mail servers with other domains — for example perfectpen.com, granitegroupbenefits.com, hivcare.org and two more.
Host names resolving to 6 IP numbers:
us-smtp-inbound-1.mimecast.com resolves to 170.10.128.141, 170.10.128.221 and 170.10.128.242 among others, with 3 other IP addresses in total.
us-smtp-inbound-2.mimecast.com resolves to 170.10.128.141, 170.10.128.221 and 170.10.128.242 among others, with 3 other IP addresses in total.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.141 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.221 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.242 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.141 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.221 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.242 IP addresses.