questex.com - dns.ninja

`questex.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:a88^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:b88^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.10.136^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.11.136^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hans.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hans.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hans.ns.cloudflare.com`
		A	108.162.193.175^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	172.64.33.175^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	173.245.59.175^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
NS	`melissa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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	`00D700000008ArR=1TBUg0000000CHJ`
TXT	`00Dca0000047d0j=1TBca0000000CCT`
TXT	`0ed1fe018a1fed50905f6046ce88c440d3ca5ca80f`
TXT	`HPAJAtpWApfXfpe4opUkYj2Q1aGGzy94mz8duqcw/cUbX8ar5FhSWlNydISEHv2yh/2l3W2vSJJ35...`
TXT	`MS=ms20281916`
TXT	`ZOOM_verify_n9gNmQtDSxSjtPXg7GovUg`
TXT	`apple-domain-verification=dG8thqNaemQOYhzp`
TXT	`asv=0cf2c8259272c68382dad75bc0263ef9`
TXT	`atlassian-domain-verification=TCen6tg0ancJDv(0x666170)3mtpN0IU5uyKWrd2QijtTKIL8ShQp1...`
TXT	`atlassian-domain-verification=x0qAb8vyIeJ1G0mB9ekplD8Cb+RTdY8CNbnjQClMpU2bY5J...`
TXT	`docusign=bb1ec8f8-34e1-40e1-951d-2524171e8679`
TXT	`ds1:94bc2e19-3458-41b0-9c67-2635e4656d2c`
TXT	`facebook-domain-verification=5bdoalvab3irxkdhy2s2gpjupffllk`
TXT	`google-site-verification=8jegDPBYaUhK--paP-pFWLqG8mRQzmTzQGJ__fU-e7w`
TXT	`google-site-verification=HhPDWOql1mv8IhTiC5dB43NtROSb_9t0KP_nRsA4_3I`
TXT	`google-site-verification=kXEgffkqhY4gvEbt3m4Y_R34xRFnUtmYsNOgJTO2v60`
TXT	`intacct-esk=4FED1A3B509A997AE053D006A8C00E02`
TXT	`o3cia7449739hlcnmes3grqlm0`
TXT	`po57gbaj2mscbdlg9tj6qkuvp3`
TXT	`q0i2ct93fqgnab9j0ifmh68td`
TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all`
TXT	`vellum-domain-verification=xt563wO22kXNKGriNJFkzu4lUnByfr0phPyvAfkS`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.10.136, 104.18.11.136
		IPv6 hints	2606:4700::6812:a88, 2606:4700::6812:b88
SOA	`hans.ns.cloudflare.com`dns@cloudflare.com serial=2407928907

`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=1782719395

rank #336607 globally
rank #144572 in the tld
📈 Tranco rank: #638,221

Subdomains

mail.questex.com

smtp-2.questex.com

smtp-ntn.questex.com

resources.questex.com

cle-mail.questex.com

www.questex.com

listmgr.questex.com

images2.questex.com

smtp-dul.questex.com

ntn-mail.questex.com

sna-mail.questex.com

oxf-mail.questex.com

smtp-1.questex.com

Same first word

questex.net

questex.us

questex.org

questex.co.uk

questex.biz

questex.asia

questex.co.th

questex.com

questex.tv

Similar names

exquest.com

DNS History

18 records (8 active, 10 former)

○NSdns1.easydns.com2015-07-05 → 2016-02-04 · 4 obs

● 2015-07-05 20:08:52
● 2016-02-04 17:24:32
○ 2016-08-31 07:38:34
○ 2026-06-29 08:13:10

○NSdns2.easydns.net2015-07-05 → 2016-02-04 · 4 obs

● 2015-07-05 20:08:52
● 2016-02-04 17:24:32
○ 2016-08-31 07:38:34
○ 2026-06-29 08:13:10

○NSdns3.easydns.ca2015-07-05 → 2016-02-04 · 4 obs

● 2015-07-05 20:08:52
● 2016-02-04 17:24:32
○ 2016-08-31 07:38:34
○ 2026-06-29 08:13:10

●NShans.ns.cloudflare.com2016-08-31 → 2026-06-29 · 3 obs

○ 2016-02-04 17:24:32
● 2016-08-31 07:38:34
● 2026-06-29 08:13:10

●NSmelissa.ns.cloudflare.com2016-08-31 → 2026-06-29 · 3 obs

○ 2016-02-04 17:24:32
● 2016-08-31 07:38:34
● 2026-06-29 08:13:10

○MXquestex.com.1.0001.arsmtp.com2015-07-05 → 2017-05-13 · 4 obs

● 2015-07-05 20:08:52
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

○MXquestex.com.2.0001.arsmtp.com2015-07-05 → 2017-05-13 · 4 obs

● 2015-07-05 20:08:52
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

●MXus-smtp-inbound-1.mimecast.com2026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

●MXus-smtp-inbound-2.mimecast.com2026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

●A104.18.10.1362026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

●A104.18.11.1362026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

○A104.27.186.352017-05-13 → 2017-05-13 · 4 obs

○ 2016-09-30 22:09:24
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

○A104.27.187.352017-05-13 → 2017-05-13 · 4 obs

○ 2016-09-30 22:09:24
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

○A2400:cb00:2048:1::681b:ba232017-05-13 → 2017-05-13 · 4 obs

○ 2016-09-30 22:09:24
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

○A2400:cb00:2048:1::681b:bb232017-05-13 → 2017-05-13 · 4 obs

○ 2016-09-30 22:09:24
● 2017-05-13 11:51:48
○ 2026-02-18 06:47:10
○ 2026-06-29 08:13:10

●A2606:4700::6812:a882026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

●A2606:4700::6812:b882026-02-18 → 2026-06-29 · 3 obs

○ 2017-05-13 11:51:48
● 2026-02-18 06:47:10
● 2026-06-29 08:13:10

○A54.149.1.102015-07-05 → 2016-09-30 · 4 obs

● 2015-07-05 20:08:52
● 2016-09-30 22:09:24
○ 2017-05-13 11:51:48
○ 2026-06-29 08:13:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
questex.com	hans.ns.cloudflare.com, melissa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.199

NS records: hans.ns.cloudflare.com, melissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for questex.com (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.10.136, 104.18.11.136`
AAAA	2	`2606:4700::6812:b88, 2606:4700::6812:a88`
NS	2	`hans.ns.cloudflare.com, melissa.ns.cloudflare.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	22	`00D700000008ArR=1TBUg0000000CHJ, 00Dca0000047d0j=1TBca0000000CCT...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hans.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hans.ns.cloudflare.com, hans.ns.cloudflare.com, hans.ns.cloudflare.com...)

Analysis

Hierarchy

questex.com is the parent domain of mail.questex.com, smtp-2.questex.com, smtp-ntn.questex.com, resources.questex.com, cle-mail.questex.com and a few other host names.

IP Addresses

questex.com has four IP addresses: 104.18.10.136, 104.18.11.136, 2606:4700::6812:a88 and 2606:4700::6812:b88.

Additional host names — www.djforeignautocare.com, www.g2tcg.com, djforeignautocare.com and two others — share IP numbers with questex.com.

Name Servers

questex.com is served by two delegated name servers, hans.ns.cloudflare.com and melissa.ns.cloudflare.com.

questex.com shares its name server setup with other domains, including fiercebroadbandwireless.com, proactivegcp.com, thedrma.com and two others.

questex.com shares at least some of its name servers with other domains, including psicoeducatepr.com, 63s9.com, appjb.com and two others.

These name servers are frequently paired with the name servers brenda.ns.cloudflare.com, marty.ns.cloudflare.com and elle.ns.cloudflare.com.

Host names with 6 IP numbers:

hans.ns.cloudflare.com carries IP addresses 108.162.193.175, 172.64.33.175 and 173.245.59.175, with 3 other addresses beyond those.

melissa.ns.cloudflare.com carries IP addresses 108.162.192.199, 172.64.32.199 and 173.245.58.199, with 3 other addresses beyond those.

Mail Servers

questex.com has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

questex.com shares the same mail server setup as other domains, including et.ci.org, steam-api.com, me-gamescon.com and two others.

questex.com shares mail servers — at least in part — with other domains, including pointcapleasing.com, centerforoffshoresafety.org, state.ca and two others.

Host names with 6 IP numbers:

us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.