resend.dev - dns.ninja

resend.dev

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NShouston.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c34🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A2803:f800:50::6ca2:c334🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhouston.ns.cloudflare.com
A2a06:98c1:50::ac40:2334🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhouston.ns.cloudflare.com
A108.162.195.52🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A162.159.44.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A172.64.35.52🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
NSnora.ns.cloudflare.com
A2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
TXTgoogle-site-verification=s1oyJ1u3ctq2_lytmgb4JBOgOXsv092dh5sdKRBqOG0
TXTv=spf1 include:_spf.google.com -all
SOAhouston.ns.cloudflare.comdns@cloudflare.com serial=2408550173

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
⚠️ On DNS blocklist: pro.plus, ultimate
🔒 HSTS Preload (+subdomains)

Subdomains

www.resend.dev

Same first word

resend.me
resend.de
resend.us
resend.ru
resend.info
resend.ir
resend.cz
resend.dev
resend.it
resend.hu
resend.org
resend.net
resend.app
resend.com

Similar names

sender.guru
sender.se
sender.blue
sender.biz
denser.com
dresen.nl
sender.ma
redsen.ch
sender.best
sender.org
rednes.de
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sendre.com
rsneed.com
redsen.fr
enerds.com.au
serden.org
deerns.com
dresen.com
erdens.com
endres.info
endres.business
endres.at
enders.email
endres.computer
dresen.eu
sender.ge
deerns.com.br
dresen.events
endres.com.br
enders.se
rendes.eu
denser.ru
sender.info
endres.email
dresen.de
denser.de
denser.co.uk
rendes.com
dresen.name
enders.nl
enders.co.kr
enders.de
sender.hu
dresen.org
sender.agency
neerds.com
nesdre.com
dresen.ch
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sender.su
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sender.co.id
sender.com.pl
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endres.de
srnede.net
sender.cl
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sender.name
sedner.com
enders.ro
sender.bike
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serned.fr
dersen.cn
sredne.ru
enders.reisen
edenrs.com
endres.tk
rseden.com
serden.com.tr
enerds.limited
resden.com
nredes.es
sender.com.cn
deerns.be
enders.com.br
sender.lt
dresen.dk
enreds.com

DNS History

4 records (4 active, 0 former)

NShouston.ns.cloudflare.comnora.ns.cloudflare.comMXinbound-smtp.us-east-1.amazonaws.comA76.76.21.21
●NShouston.ns.cloudflare.com2026-02-17 → 2026-07-23 · 2 obs
● 2026-02-17 08:26:42
● 2026-07-23 20:40:02
●NSnora.ns.cloudflare.com2026-02-17 → 2026-07-23 · 2 obs
● 2026-02-17 08:26:42
● 2026-07-23 20:40:02
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-17 → 2026-07-23 · 2 obs
● 2026-02-17 08:26:42
● 2026-07-23 20:40:02
●A76.76.21.212026-02-17 → 2026-07-23 · 2 obs
● 2026-02-17 08:26:42
● 2026-07-23 20:40:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
resend.devhouston.ns.cloudflare.com, nora.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.52

NS records: houston.ns.cloudflare.com, nora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for resend.dev (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2houston.ns.cloudflare.com, nora.ns.cloudflare.com
MX1inbound-smtp.us-east-1.amazonaws.com (pr
TXT2google-site-verification=s1oyJ1u3ctq2_ly, v=spf1 include:_spf.google.com -all
SOA1houston.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

www.resend.dev is a subdomain of resend.dev.

IP Addresses

resend.dev points to a single IP number: 76.76.21.21.

Additional host names — serviciosk3.mx, ott-partner.net, usies.com and two others — share IP numbers with resend.dev.

Name Servers

resend.dev uses two name servers for its delegation: houston.ns.cloudflare.com and nora.ns.cloudflare.com.

resend.dev shares its name server setup with other domains, including editorainsight.com.br, okking1.org, drp.lt and two others.

The name servers of resend.dev overlap at least partially with those of other domains — among them 58646.cn, magwled-web-installer.pages.dev, ricksdiet.com and two more.

These name servers commonly appear alongside the name servers violet.ns.cloudflare.com and wesley.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname houston.ns.cloudflare.com directs to 108.162.195.52, 162.159.44.52 and 172.64.35.52 along with 3 other IP addresses.

Hostname nora.ns.cloudflare.com directs to 108.162.192.213, 172.64.32.213 and 173.245.58.213 along with 3 other IP addresses.

Mail Servers

resend.dev has one mail server: inbound-smtp.us-east-1.amazonaws.com.

resend.dev shares the same mail server setup as other domains, including dmap-coordination.slack.com, bioismscmu.com, ogilvyos.com and two others.

resend.dev shares mail servers — at least in part — with other domains, including heatbody.com, cumhuriyetkitap.com.tr, fruitonline.com and two others.

These mail servers are frequently seen alongside the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.