`em-s.dropbox.com`

DNSSEC	⚠️ Not signed
MX	`mxa.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
TXT	`google-site-verification=HVvKSXPBFuscTlx18ooUWW5w-URA88mW6AAq4k9DYiE`
TXT	`google-site-verification=Luf9KoUvawAK5yQyvoElfYLAKvlTLfgzN8sLIfE2G_w`
TXT	`v=spf1 include:mailgun.org ~all`

`dropbox.com`

	DNSSEC	⚠️ Not signed
	A	2620:100:6040:18::a27d:f812^{🇺🇸 AS196792620:100:6040::/48 Dropbox Inc , 333 Brannan St, San Francisco, CA-94107}
	A	162.125.248.18^{🇺🇸 AS19679162.125.248.0/24 Dropbox Inc, 333 Brannan Street, San Francisco, CA-94107}
	NS	`ns-564.awsdns-06.net` ⭐
	NS	`ns-1162.awsdns-17.org`
	NS	`ns-1949.awsdns-51.co.uk`
	NS	`ns-315.awsdns-39.com`
	MX	`mxa-001ed902.gslb.pphosted.com` ⭐
	MX	`mxb-001ed902.gslb.pphosted.com` ⭐
	TXT	`1e6de3584eb44e3e9fde429fb262995bb3f6422cab16daeff7cba598948242b8`
	TXT	`MS=ms91256510`
	TXT	`adobe-idp-site-verification=4977108a-46c6-4763-a3cc-b23b3d87e5cc`
	TXT	`apple-domain-verification=6wGFrdfZ2TC4HlEk`
	TXT	`atlassian-domain-verification=yjrZDQ/hCS3k4pk87lelfsKb7+aOLpQPPgowWw/RHEwDCvN...`
	TXT	`aws-domain-control-verification=295d3c77-d647-4042-a10b-17bc6cf2a81c`
	TXT	`aws-domain-control-verification=fa66314d-b786-43ac-ba00-a2fc8c8da6c2`
	TXT	`citrix-verification-code=b29deae6-12fa-4939-a5b1-9585f5fc82ba`
	TXT	`cursor-domain-verification-me5gdt=FG4EqpnCbcfCNcVW9qV0OYu9R`
	TXT	`docker-verification=215c893f-0bb3-4887-87a2-152ae8636422`
	TXT	`docusign=a3cf77c9-f563-4c9b-8cbb-73c5322feb8e`
	TXT	`docusign=c18a935e-b7a7-4ca5-a401-9f7cac288c0b`
	TXT	`google-site-verification=2ZBxb1JI0xc_p5crqO_FHyV6OO3iYuvryuZj4nUNCEc`
	TXT	`google-site-verification=2_3MpLNP3RT2WDZTWn2VErDq0zTl7-IOZMviotkEhEQ`
	TXT	`google-site-verification=6Gs0C-CwJui707tVZirEFGKvKfGtwwZf2Snzz0-2nUQ`
	TXT	`google-site-verification=8NWlYGBCOsGGZoWB62V0z-I1v92RPDYt5e2MIcIlKOk`
	TXT	`google-site-verification=E9R8qj0pQvUF7rQ3x0s0m5Oh8FGBiO-7CQt-hiPQtFs`
	TXT	`google-site-verification=cPTvnO7zyyCEASSqXGDlzGgEECA-hWG7k_drsp-f9RA`
	TXT	`google-site-verification=dvbnC9kulo9yolnth_U5l7fMneacmwsmc7T-amaztiY`
	TXT	`google-site-verification=eL_MhPPeLDIVMzQmUh8cQlm1zzdyZRZs7a5aVqrTPKc`
	TXT	`google-site-verification=leXlkd4GKqaMP-t93sX2D_mNej1qyME73hyCvyjkbmA`
	TXT	`google-site-verification=rGECt1BQW-vtsJ-FgNwFpxTiTMc2DdQ9ZxAwT8nmbTE`
	TXT	`google-site-verification=u07OaGer3GQQDKmGdXvEnVDA7hVQJZ3nVglkGqTxnqI`
	TXT	`google-site-verification=vPdXnwB_snnJ8dqzD0OFEhiy3Vjq2l7qhXA-rnWR1lk`
	TXT	`hcp-domain-verification=70f13e6db06700814cb6a41bc0b14c0b02d972a58a16bc566918d...`
	TXT	`hubspot-developer-verification=YTQ0MmYzMzItYjhhOC00YzhlLTg3ZDYtMjU3NWQ4OWY4MDNk`
	TXT	`hubspot-domain-verification=Y2NiYzY0YjktYzI1MC00NDg5LWI5ZTYtZWY4ZWQ1ZDEwNjdh`
	TXT	`infoblox-domain-mastery=d893f536feb426f7bcef35610e78c319a79a9585e03a3cbf753c5...`
	TXT	`jamf-site-verification=EecmGLwXK6l4sJLtg1ckwQ`
	TXT	`liveramp-site-verification=l9GQet4bxvwWtgD1svh_74N5vOes7buz_drCyiY-dV4`
	TXT	`lovable_verification=oimC5YnefHVCMkPlojvq`
	TXT	`mgverify=32a6a13661e86bff81acaf247c1dd6c5991bccc6a77dbe49f078deef4d61979c`
	TXT	`miro-verification=06f0d83f07b5b7c1936df29f6dc8a6a11cf82d08`
	TXT	`mixpanel-domain-verify=c8f954c8-17fc-42a3-925c-6ea23ee3b534`
	TXT	`notion-domain-verification=enHWmn6FFlHvaUid8AdXGKPkDn7j1VVAKudIomtvw0z`
	TXT	`openai-domain-verification=dv-taySZvuNYfU5nkRTfwxixP7F`
	TXT	`parallels-domain-verification=c22a91cd65da42ee92515d4d96940a8caed8b947d0ed4a3...`
	TXT	`slack-domain-verification=1qkjOc6gwuxLaFmX90NDKDiQVw0k4aNHyeT15kdt`
	TXT	`stripe-verification=5A1286A45D18E28C4909AD9CAA70017D493E1A09417FB572992366CEC...`
	TXT	`stripe-verification=7f4c0115f99ee7bc4ed67beff4365dd6b29ec5e4cfca03b874d2de54f...`
	TXT	`stripe-verification=ADB471381BCF8F6CF5635864612A5C41B09F3AD2E69F0BC675D96AB24...`
	TXT	`stripe-verification=abd8d702e1361e583deb9f1085ca164782f13f205b1b8b04225f9bac4...`
	TXT	`stripe-verification=d0a25558a690907c8476879165000a457c5521640f0be53b0d1acf5f4...`
	TXT	`stripe-verification=fc5d818b64666e2f2da6e857d432a8278df3bcadcb7dce142103841f6...`
	TXT	`v=spf1 ip4:45.58.64.0/20 ip4:185.45.8.0/22 ip4:162.125.0.0/16 ip4:199.47.216....`
	TXT	`zapier-domain-verification-challenge=2d9f161a-cc7a-4780-862d-04aa31320698`
	SOA	`ns-564.awsdns-06.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (94/100)
rank #91 globally
rank #61 in the tld
This domain name, "dropbox.com", belongs to Dropbox, Inc., a company that offers a cloud storage service. The service allows users to store and share files online, enabling easy access from any device with an internet connection. The ".com" indicates that it is a commercial website.🔒 HSTS Preload (+subdomains)
WOT: SAFE (94/100)
📈 Tranco rank: #128

Dropbox is a pioneering cloud storage and file synchronization service, founded in 2007 by Drew Houston and Arash Ferdowsi. The company went public in 2018 and remains a leader in cloud productivity with over 700 million registered users.

Beyond basic file storage, Dropbox offers Dropbox Paper (collaborative documents), Dropbox Sign (electronic signatures, formerly HelloSign), DocSend (document tracking), and enterprise solutions for team collaboration.

Dropbox's infrastructure is notable for its 2016 "Magic Pocket" migration from Amazon S3 to custom-built infrastructure, storing exabytes of user data across its own data centers.

DNS for dropbox.com uses Amazon Route 53 for authoritative DNS hosting with global anycast resolution.

Subdomains

mail.em-s.dropbox.com

Same first word

em-s.org

em-s.ch

em-s.ru

em-s.net

em-s.com

em-s.co.kr

Similar names

me-s.co.jp

s-me.de

e-sm.net

e-ms.biz

e-sm.com

s-em.de

es-m.nl

e-sm.co.uk

ms-e.com

ms-e.dk

ms-e.at

m-es.com

ms-e.be

ms-e.de

s-em.com

e-sm.org

m-es.de

e-sm.com.pe

e-ms.com.tw

e-sm.ru

me-s.jp

es-m.com

es-m.jp

e-sm.de

es-m.ru

e-ms.com

e-ms.de

me-s.de

s-me.co.il

s-em.ru

sm-e.ru

me-s.net

e-sm.com.mx

e-ms.org

s-me.co.kr

e-ms.pl

e-ms.ru

e-ms.ms.gov.br

ms-e.jp

me-s.com

e-sm.it

m-se.com

es-m.de

es-m.net

sm-e.com

es-m.be

s-me.us

s-me.kr

e-sm.com.do

se-m.de

s-me.com

se-m.com

ms-e.pl

s-me.ru

ms-e.net

e-ms.co.jp

e-ms.eu

DNS History

2 records (2 active, 0 former)

●MXmxa.mailgun.org2026-03-31 → 2026-04-23 · 2 obs

● 2026-03-31 01:24:40
● 2026-04-23 22:02:18

●MXmxb.mailgun.org2026-03-31 → 2026-04-23 · 2 obs

● 2026-03-31 01:24:40
● 2026-04-23 22:02:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...	-
dropbox.com	ns-564.awsdns-06.net, ns-315.awsdns-39.com, ns-1162.awsdns-17.org, ns-1949.awsdns-51.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.52

NS records: ns-564.awsdns-06.net, ns-315.awsdns-39.com, ns-1162.awsdns-17.org, ns-1949.awsdns-51.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dropbox.com (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	3	`google-site-verification=HVvKSXPBFuscTlx, google-site-verification=Luf9KoUvawAK5yQ...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-315.awsdns-39.com, ns-315.awsdns-39.com)

Analysis

Hierarchy

The parent of mail.em-s.dropbox.com is em-s.dropbox.com.

Mail Servers

em-s.dropbox.com is handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.

em-s.dropbox.com uses the same mail server setup as other domains, for instance zp.cntr.io, mg.mountaincc.org, cipr.us, cargoiot.com and sent2usa.com.

em-s.dropbox.com shares at least partially some mail servers with other domains, for instance autorepairshophq.com, mycampaignstore.com, segurospromo.com.br, equirenta.com and hjortho.com.

Mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with a single IP

mxa.mailgun.org points to 34.149.254.5

mxb.mailgun.org points to 34.149.254.5

Host names that point to 34.149.254.5: mxa.mailgun.org and mxb.mailgun.org

em-s.dropbox.com - robtex.com

em-s.dropbox.com

dropbox.com