irb.com - robtex.com
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irb.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=1771291435 | ||||||
rank #96429 in the tld
📈 Tranco rank: #736,812
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Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSns-1527.awsdns-62.org2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●NSns-1732.awsdns-24.co.uk2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●NSns-331.awsdns-41.com2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●NSns-514.awsdns-00.net2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●MXeu-smtp-inbound-1.mimecast.com2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●MXeu-smtp-inbound-2.mimecast.com2015-08-24 → 2026-02-17 · 2 obs
● 2026-02-17 20:58:22
●A13.248.190.2452021-09-20 → 2026-02-17 · 3 obs
● 2021-09-20 22:12:10
● 2026-02-17 20:58:22
○A54.172.136.2152015-08-24 → 2016-12-13 · 4 obs
● 2016-12-13 19:14:10
○ 2021-09-20 22:12:10
○ 2026-02-17 20:58:22
●A76.223.44.432021-09-20 → 2026-02-17 · 3 obs
● 2021-09-20 22:12:10
● 2026-02-17 20:58:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| irb.com | ns-514.awsdns-00.net, ns-331.awsdns-41.com, ns-1732.awsdns-24.co.uk, ns-1527.awsdns-62.org | 1 record |
✅ Authoritative Response
Server: 205.251.197.247
NS records: ns-514.awsdns-00.net, ns-331.awsdns-41.com, ns-1732.awsdns-24.co.uk, ns-1527.awsdns-62.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for irb.com (unsigned zone)
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.190.245, 76.223.44.43 |
| NS | 4 | ns-1527.awsdns-62.org, ns-1732.awsdns-24.co.uk... |
| MX | 2 | eu-smtp-inbound-1.mimecast.com (pri: 10), eu-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 4 | MS=ms99146102, google-site-verification=84fiYBh2LCRIcxJ... |
| SOA | 1 | ns-1732.awsdns-24.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-331.awsdns-41.com)
AI analysis
irb.com is the parent of wsws.irb.com and www.irb.com.
irb.com resolves to two IP numbers: 13.248.190.245 and 76.223.44.43.
Other host names, for instance svns.com, www.irb.com, worldrugby.org, rwcsevens.com and a65f2ad03b5db3026.awsglobalaccelerator.com share IP numbers with irb.com.
irb.com is delegated to four name servers: ns-331.awsdns-41.com, ns-514.awsdns-00.net, ns-1527.awsdns-62.org and ns-1732.awsdns-24.co.uk.
irb.com shares some name servers with other domains, for example adbephotos-stage.com, proquestconsulting.com, vendigital.co.uk, d3ptl2txniw5ts.cloudfront.net and royalgo444.com.
These name servers are commonly paired with ns-653.awsdns-17.net, ns-261.awsdns-32.com, ns-1856.awsdns-40.co.uk, a.ns.campaign.adobe.com, b.ns.campaign.adobe.com, c.ns.campaign.adobe.com and d.ns.campaign.adobe.com.
Host names with two IP numbers
Two IPs per host:
ns-331.awsdns-41.com points to 2600:9000:5301:4b00::1 and 205.251.193.75
ns-514.awsdns-00.net points to 2600:9000:5302:200::1 and 205.251.194.2
ns-1527.awsdns-62.org points to 2600:9000:5305:f700::1 and 205.251.197.247
ns-1732.awsdns-24.co.uk points to 2600:9000:5306:c400::1 and 205.251.198.196
irb.com is served by two mail servers: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.
irb.com shares the mail server setup with other domains, for example protex.com, jetselect.net, delanylaw.com, my-npower-pension.com and mbcareersandjobs.com.
irb.com shares some mail servers with other domains, at least partially; for instance essensys.co.uk, barkingheads.co.uk, mwam.com, c-all.co.uk and audio-technica.at.
Host names with six IP numbers: eu-smtp-inbound-1.mimecast.com points to 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241. The host name eu-smtp-inbound-2.mimecast.com points to the same six: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241. The IPs 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241 are shared by host names eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.
Host names that point to 91.220.42.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com. Host names that point to 91.220.42.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com. Host names that point to 91.220.42.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com. Host names that point to 195.130.217.201: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com. Host names that point to 195.130.217.211: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com. Host names that point to 195.130.217.241: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.