`mail.proficiencytraining.com`

	DNSSEC	⚠️ Not signed
	A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}

`proficiencytraining.com`

	DNSSEC	⚠️ Not signed
	A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
	NS	`ns.buydomains.com` ⚠️ Not in zone NS records
	NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records

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DNS History

4 records (1 active, 3 former)

○A141.8.225.1242015-11-23 → 2016-06-25 · 5 obs

○ 2015-08-02 20:08:50
● 2015-11-23 02:30:52
● 2016-06-25 19:34:08
○ 2026-04-18 13:07:36
○ 2026-04-24 18:45:26

○A176.74.176.1842015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 20:08:50
○ 2015-11-23 02:30:52
○ 2026-04-24 18:45:26

●A207.148.248.1432026-04-18 → 2026-04-24 · 3 obs

○ 2016-06-25 19:34:08
● 2026-04-18 13:07:36
● 2026-04-24 18:45:26

○CNAMEghs.googlehosted.com2015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 20:08:50
○ 2015-11-23 02:30:52
○ 2026-04-24 18:45:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
proficiencytraining.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proficiencytraining.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

mail.proficiencytraining.com resolves to one IP number: 207.148.248.143.

other host names including techbased.com, burke.jerry.euro.www.mildeseos.com, mx.goldenweekends.com, artistictravels.com and aveler.com share IP numbers with mail.proficiencytraining.com.

mail.proficiencytraining.com - robtex.com