resend.dev - robtex.com

resend.dev

DNSSEC⚠️ Not signed
A76.76.21.21πŸ‡ΊπŸ‡Έ Amazon76.76.21.0/24 EC2 Prefix
NShouston.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c34πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A2803:f800:50::6ca2:c334πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhouston.ns.cloudflare.com
A2a06:98c1:50::ac40:2334πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRhouston.ns.cloudflare.com
A108.162.195.52πŸ‡ΊπŸ‡Έ 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
A172.64.35.52πŸ‡ΊπŸ‡Έ 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::adf5:3ad5πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213πŸ‡ΊπŸ‡Έ 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 ⭐
A3.211.210.226πŸ‡ΊπŸ‡Έ Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32πŸ‡ΊπŸ‡Έ Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191πŸ‡ΊπŸ‡Έ Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236πŸ‡ΊπŸ‡Έ 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=2403442727

dev

DNSSECπŸ”’ 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
πŸ”’ HSTS Preload (+subdomains)

Subdomains

Same first word

Similar names

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 β†’ 2026-05-09 Β· 2 obs
● 2026-02-17 08:26:42
● 2026-05-09 16:06:40
●NSnora.ns.cloudflare.com2026-02-17 β†’ 2026-05-09 Β· 2 obs
● 2026-02-17 08:26:42
● 2026-05-09 16:06:40
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-17 β†’ 2026-05-09 Β· 2 obs
● 2026-02-17 08:26:42
● 2026-05-09 16:06:40
●A76.76.21.212026-02-17 β†’ 2026-05-09 Β· 2 obs
● 2026-02-17 08:26:42
● 2026-05-09 16:06:40

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
resend.devhouston.ns.cloudflare.com, nora.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.32.213

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for resend.dev (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

πŸ“„ 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

πŸ“Œ Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

Hierarchy

resend.dev is the parent of www.resend.dev.

IP Addresses

resend.dev points to IP number 76.76.21.21.

For instance, other host names serviciosk3.mx, ott-partner.net, usies.com, intouch.app and prepandsave.com share IP numbers with resend.dev.

Name Servers

resend.dev is delegated to two name servers: houston.ns.cloudflare.com and nora.ns.cloudflare.com.

resend.dev uses the same name server setup as other domains such as editorainsight.com.br, okking1.org, drp.lt, nesthomestore.shop and resend-links.com.

resend.dev shares name servers with other domains at least partially, for example magwled-web-installer.pages.dev, ricksdiet.com, mwpdev.com, ning.tel and rambout.com.

These name servers are commonly used with the name servers wesley.ns.cloudflare.com and pearl.ns.cloudflare.com.

Host names with six IP numbers: host name houston.ns.cloudflare.com points to: 2606:4700:58::a29f:2c34, 2803:f800:50::6ca2:c334, 2a06:98c1:50::ac40:2334, 108.162.195.52, 162.159.44.52 and 172.64.35.52; host name nora.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad5, 2803:f800:50::6ca2:c0d5, 2a06:98c1:50::ac40:20d5, 108.162.192.213, 172.64.32.213 and 173.245.58.213.

Mail Servers

resend.dev is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

resend.dev shares the same mail server setup as other domains, for instance smart-laundry.jp, dmap-coordination.slack.com, bioismscmu.com, ogilvyos.com and palmiterpace.com.

resend.dev shares mail servers with other domains at least partially; for instance heatbody.com, fruitonline.com, esolutions.atlassian.net, datafast.atlassian.net and hiru-job.com.

these mail servers are commonly used alongside inbound-smtp.us-west-2.amazonaws.com and aspmx.l.google.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.