`mail.usecasso.app`

CNAME	`links1.resend-dns.com`
CNAME	`dnimfezcq57tg.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:2049:400:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:2600:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:3200:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:4800:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:9600:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:a200:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:a400:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	2600:9000:2049:fa00:1e:fadc:3500:93a1^{🇺🇸 Amazon2600:9000:2049::/48 - CloudFront}
A	13.35.107.11^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.15^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.112^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.128^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
NS	`ns-149.awsdns-18.com` ⭐
		A	2600:9000:5300:9500::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-149.awsdns-18.com`
		A	205.251.192.149^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-149.awsdns-18.com`
NS	`ns-1033.awsdns-01.org`
		A	2600:9000:5304:900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1033.awsdns-01.org`
		A	205.251.196.9^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1033.awsdns-01.org`
NS	`ns-1716.awsdns-22.co.uk`
		A	2600:9000:5306:b400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1716.awsdns-22.co.uk`
		A	205.251.198.180^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1716.awsdns-22.co.uk`
NS	`ns-581.awsdns-08.net`
		A	2600:9000:5302:4500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-581.awsdns-08.net`
		A	205.251.194.69^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-581.awsdns-08.net`
SOA	`ns-149.awsdns-18.com`awsdns-hostmaster@amazon.com serial=1

`usecasso.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b46a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1235^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.53^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.106^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chase.ns.cloudflare.com` ⭐
NS	`ivy.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
MX	`route2.mx.cloudflare.net`⁽⁶²⁾
MX	`route3.mx.cloudflare.net`⁽⁹¹⁾
TXT	`google-site-verification=fq8245IA0G4wnCQwaVGrKiCi2ykLdO_DDImCZsyBDLM`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.53, 172.67.180.106
		IPv6 hints	2606:4700:3034::ac43:b46a, 2606:4700:3037::6815:1235
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`chase.ns.cloudflare.com`dns@cloudflare.com serial=2410388807

Same first word

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mail.gov.bs

mail.ca

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mail.org.br

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mail.global

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mail.hu.net

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mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.insure

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mail.rakkestad.no

mail.gov.bm

mail.com.py

mail.guru

mail.bing

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mail.in-berlin.de

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mail.host

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imal.nl

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DNS History

1 record (1 active, 0 former)

●CNAMElinks1.resend-dns.com2026-07-21 → 2026-07-25 · 2 obs

● 2026-07-21 16:59:34
● 2026-07-25 16:28:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
usecasso.app	ivy.ns.cloudflare.com, chase.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.156

NS records: ivy.ns.cloudflare.com, chase.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usecasso.app (unsigned zone)

⏱️ Timing

Total: 651ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`links1.resend-dns.com`

Analysis

IP Addresses

mail.usecasso.app points to 12 IP addresses, including 13.35.107.11, 13.35.107.15 and 13.35.107.112, plus 9 other.

prod-use1-s3-incoming-email-attachments.drivecentric.io, www.bar-inohana.jp, goodnessknows.cocoavia.com plus two other host names have IP numbers in common with mail.usecasso.app.

Name Servers

Four name servers handle the delegation for mail.usecasso.app: ns-149.awsdns-18.com, ns-581.awsdns-08.net, ns-1033.awsdns-01.org and ns-1716.awsdns-22.co.uk.

mail.usecasso.app has at least partial name server overlap with other domains, such as forms-easy.com, mwy-t.com, mtkiscochevrolet.com and two others.

These name servers tend to appear together with the name servers ns-1306.awsdns-35.org, ns-204.awsdns-25.com and ns-761.awsdns-31.net.

ns-149.awsdns-18.com, ns-581.awsdns-08.net, ns-1033.awsdns-01.org and ns-1716.awsdns-22.co.uk all point to exactly two IP numbers each: ns-149.awsdns-18.com → 205.251.192.149 and 2600:9000:5300:9500::1; ns-581.awsdns-08.net → 205.251.194.69 and 2600:9000:5302:4500::1; ns-1033.awsdns-01.org → 205.251.196.9 and 2600:9000:5304:900::1; ns-1716.awsdns-22.co.uk → 205.251.198.180 and 2600:9000:5306:b400::1.

mail.usecasso.app - robtex.com