`mail.postback.email`

DNSSEC	⚠️ Not signed
A	159.89.37.235^{🇺🇸 DIGITALOCEAN159.89.32.0/20 DigitalOcean}
		PTR	`postback.email-smtp`

`postback.email`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:db45^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:1896^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.150^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.69^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`damiete.ns.cloudflare.com` ⭐
NS	`liv.ns.cloudflare.com`
MX	`mail.postback.email` ⭐
TXT	`ca3-74ce396975fc4476b47d2a19d814e9ce`
TXT	`v=spf1 a a:mail.postback.email ip4:159.89.37.235 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.150, 172.67.219.69
		IPv6 hints	2606:4700:3030::ac43:db45, 2606:4700:3031::6815:1896
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`damiete.ns.cloudflare.com`dns@cloudflare.com serial=2401110214

MX for

postback.email

Same first word

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DNS History

1 record (1 active, 0 former)

●A159.89.37.2352026-02-22 → 2026-04-14 · 2 obs

● 2026-02-22 20:06:42
● 2026-04-14 16:55:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
email	v0n0.nic.email, v2n0.nic.email, v0n2.nic.email, v0n3.nic.email...	12 records
postback.email	liv.ns.cloudflare.com, damiete.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.188

NS records: liv.ns.cloudflare.com, damiete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postback.email (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.89.37.235`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.email, v0n0.nic.email, v2n0.nic.email...)

Analysis

Mail Server Role

mail.postback.email serves as the mail server for postback.email.

IP Addresses

mail.postback.email resolves to a single IP: 159.89.37.235.

Other host names, for instance, mail.quantumxagent.com and mail.lifterworld.com share IP numbers with mail.postback.email.

mail.postback.email - robtex.com