`mail.def-development.com`

DNSSEC	⚠️ Not signed
A	216.70.64.95
		PTR	`ip-216-70-64-95.ip.secureserver.net`

`def-development.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bc3b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:30df^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.223^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.59^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
NS	`roxy.ns.cloudflare.com`
MX	`mail.def-development.com` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.48.223, 172.67.188.59
		IPv6	2606:4700:3033::ac43:bc3b, 2606:4700:3035::6815:30df
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2397073847

MX for

def-development.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A216.70.64.952015-05-21 → 2026-03-25 · 2 obs

● 2015-05-21 18:38:02
● 2026-03-25 23:50:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
def-development.com	bart.ns.cloudflare.com, roxy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.71

NS records: bart.ns.cloudflare.com, roxy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for def-development.com (unsigned zone)

⏱️ Timing

Total: 1593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.70.64.95`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.def-development.com serves as a mail server for def-development.com.

IP Addresses

mail.def-development.com resolves to one IP number: 216.70.64.95.

Other host names, for instance mail.tbuz.com, mail.bayerprofender.com, mail.cinerent.fr, mail.sdphotographs.com and mail.blwfsh.com share IP numbers with mail.def-development.com.

mail.def-development.com - robtex.com