`mail.builtinvacuum.com`

	DNSSEC	⚠️ Not signed
	A	206.190.69.19^{🇺🇸 AS3549206.190.64.0/19}

`builtinvacuum.com`

	DNSSEC	⚠️ Not signed
	A	206.190.69.19^{🇺🇸 AS3549206.190.64.0/19}
	NS	`ns20.digicertdns.com` ⭐
	NS	`ns21.digicertdns.com`
	NS	`ns22.digicertdns.com`
	NS	`ns23.digicertdns.net`
	NS	`ns24.digicertdns.net`
	NS	`ns25.digicertdns.net`
	MX	`east.smtp.mx.o365.serverdata.net` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com include:spf.intermedia.net include:...`
	TXT	`iContact1215478`
	SOA	`ns20.digicertdns.com`dns@digicertdns.com 2009-01-01 #70

🔒 HSTS Preload (+subdomains)

Previously MX for

builtinvacuum.com

central-vacuum-system.com

flomaster.com

vacume.com

oremvacuum.com

vacumes.com

Same first word

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mail.tc

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mail.world

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mail.ph

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mail.link

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mail.gov.kg

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DNS History

2 records (1 active, 1 former)

○A206.190.69.182015-07-08 → 2016-07-08 · 3 obs

● 2015-07-08 11:59:20
● 2016-07-08 00:06:22
○ 2026-04-12 01:19:58

●A206.190.69.192026-04-12 → 2026-04-12 · 2 obs

○ 2016-07-08 00:06:22
● 2026-04-12 01:19:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
builtinvacuum.com	ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net...	6 records

✅ Authoritative Response

Server:208.80.125.223

NS records: ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net, ns25.digicertdns.net, ns23.digicertdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builtinvacuum.com (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`206.190.69.19`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns20.digicertdns.com, ns20.digicertdns.com, ns21.digicertdns.com...)

Analysis

IP Addresses

mail.builtinvacuum.com points to a single IP number: 206.190.69.19.

Other host names, for instance ns2.builtinvacuum.com, exchange.builtinvacuum.com and builtinvacuum.com share IP numbers with mail.builtinvacuum.com.

mail.builtinvacuum.com - robtex.com