mail.techpostback.com - dns.ninja

`mail.techpostback.com`

DNSSEC	⚠️ Not signed
A	13.223.126.19^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
		PTR	`mail.techpostback.com`

`techpostback.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:47e7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:ac12^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.231^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.18^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dell.ns.cloudflare.com` ⭐
NS	`uriah.ns.cloudflare.com`
MX	`mail.techpostback.com` ⭐
TXT	`v=spf1 mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.231, 172.67.172.18
		IPv6 hints	2606:4700:3032::6815:47e7, 2606:4700:3032::ac43:ac12
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOA	`dell.ns.cloudflare.com`dns@cloudflare.com serial=2406309968

PTR for

19.126.223.13.in-addr.arpa

MX for

techpostback.com

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DNS History

1 record (1 active, 0 former)

●A13.223.126.192026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 01:49:46
● 2026-07-03 15:33:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
techpostback.com	dell.ns.cloudflare.com, uriah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.94

NS records: dell.ns.cloudflare.com, uriah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techpostback.com (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.223.126.19`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.techpostback.com is a mail server for techpostback.com.

IP Addresses

mail.techpostback.com directs to one IP number, which is 13.223.126.19.