`smtp01.progresstelecom.com`

DNSSEC	⚠️ Not signed
A	216.22.72.202^{🇺🇸 AS3356216.22.64.0/18}
		PTR	`host216-22-72-202.progresstelecom.com`
		PTR	`smtp01.progresstelecom.com`

`progresstelecom.com`

	DNSSEC	⚠️ Not signed
	A	4.68.95.10^{🇺🇸 AS33564.0.0.0/9}
	A	216.22.72.197^{🇺🇸 AS3356216.22.64.0/18}
	NS	`ns25.customer.level3.net` ⭐ ⚠️ Not in parent delegation
	NS	`dns01.progresstelecom.com` ⚠️ Not in parent delegation
	NS	`dns01.pt-llc.net` ⚠️ Not in zone NS records
	NS	`dns03.progresstelecom.com` ⚠️ Not in parent delegation
	NS	`dns03.pt-llc.net` ⚠️ Not in zone NS records
	NS	`ns11.customer.level3.net` ⚠️ Not in parent delegation
	NS	`ns26.customer.level3.net` ⚠️ Not in parent delegation
	SOA	`ns25.customer.level3.net`dns@level3.net 2024-10-31 #3

Same first word

smtp01.pr.gov.br

smtp01.com

smtp01.uni5.net

smtp01.kinghost.net

smtp01.gov.ru

smtp01.gov.ps

Similar names

01tpms.cn

smtp10.kinghost.net

01tpms.com

smtp10.gov.tt

smtp10.com

DNS History

1 record (1 active, 0 former)

●A216.22.72.2022015-06-08 → 2026-04-15 · 2 obs

● 2015-06-08 09:53:56
● 2026-04-15 05:32:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
progresstelecom.com	dns01.pt-llc.net, dns03.pt-llc.net	-

✅ Authoritative Response

Server:216.22.72.198

NS records: dns01.pt-llc.net, dns03.pt-llc.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for progresstelecom.com (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.22.72.202`

Analysis

IP Addresses

smtp01.progresstelecom.com resolves to a single IP: 216.22.72.202.

smtp01.progresstelecom.com - robtex.com

smtp01.progresstelecom.com

progresstelecom.com