`qst.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
		PTR	`ip-198-49-23-144.defastlink.net`
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`xbru.br.ns.els-gms.att.net` ⭐
		A	127.0.0.1
			PTR	`localhost`
			PTR	`ip-127-0-0-1.defastlink.net`
NS	`cbru.br.ns.els-gms.att.net`
		A	2001:1890:1ff:9f0:68:94:156:132^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`cbru.br.ns.els-gms.att.net`
		A	68.94.156.132^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`cbru.br.ns.els-gms.att.net`
NS	`cmtu.mt.ns.els-gms.att.net`
		A	2001:1890:1ff:9f1:99:99:99:132^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
		A	99.99.99.132^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`hsm1f1snh2qsviu7vio9gk7v6g`
TXT	`5gpkpkljgotq3bkmpm3luac36n`
TXT	`vscgf8j647f5q6fsh1khahjpeq`
TXT	`78qsqlpsmbsib4v3d49kghvepj`
TXT	`v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ...`
TXT	`udd0eh22nhbajv6u0j1m61977m.`
TXT	`oGCBb0AzxSl3ZG8wDXIU18AwunPcffFVyG+CuuU/3/wVh11QQ4cvgdZWswzG1KlhkvHgBm1ZAmI1M...`
TXT	`google-site-verification=LEe6oT9uU3jMRM8JRJdy5tulY63UXzuG54nYjPaWaY0`
TXT	`google-site-verification=mH0KfCN35YWpgjUB9nlpmBO0ovl1G4U9UNcnjK-HcK8`
TXT	`ogksr5vavqvj0t373fhg6vjqmk`
TXT	`6vcrobk9140lkf4d9317mfh9on`
SOA	`xbru.br.ns.els-gms.att.net`rm-hostmaster@ems.att.com serial=107

`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.net`nstld@verisign-grs.com serial=1771291435

WOT: SAFE (63/100)

Subdomains

www.qst.com

Same first word

qst.ru

qst.com

qst.eu

qst.jp

qst.co.za

qst.com.co

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qst.info

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qst.at

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qst.com.tw

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qst.org

qst.com.hk

qst.biz

Similar names

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tsq.com

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tqs.com.cn

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sqt.in

qts.com.cn

tqs.com.br

qts.edu.hk

stq.de

qts.se

stq.nl

qts.info

qts.cn

sqt.co.kr

qts.net

stq.us

stq.fi

qts.us

qts.tools

tqs.com.tr

sqt.de

qts.org

tsq.be

qts.gr

qts.cloud

qts.ch

tsq.ca

tqs.nl

DNS History

13 records (9 active, 4 former)

●NScbru.br.ns.els-gms.att.net2009-01-05 → 2026-03-13 · 2 obs

● 2009-01-05 11:16:04
● 2026-03-13 04:27:06

●NScmtu.mt.ns.els-gms.att.net2009-01-05 → 2026-03-13 · 2 obs

● 2009-01-05 11:16:04
● 2026-03-13 04:27:06

●NSxbru.br.ns.els-gms.att.net2015-08-25 → 2026-03-13 · 3 obs

○ 2009-01-05 11:16:04
● 2015-08-25 01:32:22
● 2026-03-13 04:27:06

○MXqst.com.bak-mx.smtproutes.com2009-01-05 → 2017-01-04 · 3 obs

● 2009-01-05 11:16:04
● 2017-01-04 20:02:30
○ 2026-03-13 04:27:06

○MXqst.com.pri-mx.smtproutes.com2009-01-05 → 2017-01-04 · 3 obs

● 2009-01-05 11:16:04
● 2017-01-04 20:02:30
○ 2026-03-13 04:27:06

●MXus-smtp-inbound-1.mimecast.com2026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

●MXus-smtp-inbound-2.mimecast.com2026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

●A198.185.159.1442026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

●A198.185.159.1452026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

●A198.49.23.1442026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

●A198.49.23.1452026-03-13 → 2026-03-13 · 2 obs

○ 2017-01-04 20:02:30
● 2026-03-13 04:27:06

○A205.234.155.12009-01-05 → 2009-01-05 · 3 obs

● 2009-01-05 11:16:04
○ 2015-08-25 01:32:22
○ 2026-03-13 04:27:06

○A207.223.37.2322015-08-25 → 2017-01-04 · 4 obs

○ 2009-01-05 11:16:04
● 2015-08-25 01:32:22
● 2017-01-04 20:02:30
○ 2026-03-13 04:27:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
qst.com	cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net	-

✅ Authoritative Response

Server: 68.94.156.132

NS records: cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qst.com (unsigned zone)

⏱️ Timing

Total: 977ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.144, 198.49.23.144...`
NS	2	`cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	11	`5gpkpkljgotq3bkmpm3luac36n, vscgf8j647f5q6fsh1khahjpeq...`
SOA	1	`xbru.br.ns.els-gms.att.net rm-hostmaster`