`mx51pb.irbcorp.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐ ⚠️ Not in parent delegation
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com` ⚠️ Not in parent delegation
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`irbcorp.com`

	DNSSEC	⚠️ Not signed
	A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
	A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
	NS	`ns3.afternic.com` ⭐
	NS	`ns4.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

DNS History

4 records (4 active, 0 former)

●NSns3.afternic.com2026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 07:23:04
● 2026-04-14 13:42:04

●NSns4.afternic.com2026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 07:23:04
● 2026-04-14 13:42:04

●A13.248.169.482026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 07:23:04
● 2026-04-14 13:42:04

●A76.223.54.1462026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 07:23:04
● 2026-04-14 13:42:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
irbcorp.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:173.201.66.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for irbcorp.com (unsigned zone)

⏱️ Timing

Total: 88ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

mx51pb.irbcorp.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance freakgaming.com, forkinvestpay.com, sellondemand.com, worldmedicine.co and rosinta.com share IP numbers with mx51pb.irbcorp.com.

Name Servers

Two name servers ns3.afternic.com and ns4.afternic.com handle delegation for mx51pb.irbcorp.com.

mx51pb.irbcorp.com uses the same name server setup as other domains, for example tagfeet.com, tadapp.com, helpinghounds.org, flamd.com and www.hbonus.com.

mx51pb.irbcorp.com partially shares name servers with other domains; examples include chilltea.com, audiocc.com, soldp.com, ioxm.com and (0x6469636b)ing.com.

These name servers are commonly used with verification-gx9m4qbbvukhxvxdk2zdbk.ns101.verify.hn, verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn and verification-9xjeirufx9swvvbxbunzo5.ns101.verify.hn.

Host names with one IP number: The host name ns3.afternic.com points to 97.74.98.65 and the host name ns4.afternic.com points to 173.201.66.65.

mx51pb.irbcorp.com - robtex.com