`mail.roentech.com`

DNSSEC	⚠️ Not signed
A	34.174.28.143^{🇺🇸 Google34.174.0.0/17}
		PTR	`143.28.174.34.bc.googleusercontent.com`

`roentech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:340b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c1ea^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.11^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.234^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gene.ns.cloudflare.com` ⭐
NS	`noah.ns.cloudflare.com`
MX	`mx10.antispam.mailspamprotection.com` ⭐
MX	`mx20.antispam.mailspamprotection.com`⁽²⁰⁾
MX	`mx30.antispam.mailspamprotection.com`⁽³⁰⁾
TXT	`google-site-verification=0Mx15pJbmdnZKrd88zCIm_MfXZCQiYK_vXEJXuTw0vw`
TXT	`google-site-verification=q5R9tSkjBmql_zNBROiNwlSigJ8bcmRl80sInKOJBzg`
TXT	`v=spf1 +a +mx include:roentech.com.spf.auto.dnssmarthost.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.11, 172.67.193.234
		IPv6 hints	2606:4700:3033::6815:340b, 2606:4700:3035::ac43:c1ea
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2410988148

Previously MX for

roentech.com

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DNS History

11 records (1 active, 10 former)

○A104.21.52.112026-04-29 → 2026-05-29 · 8 obs

○ 2016-06-26 14:12:38
● 2026-04-29 15:53:04
● 2026-04-30 15:11:24
○ 2026-05-08 19:28:42
● 2026-05-20 18:22:00
● 2026-05-29 07:40:22
○ 2026-07-12 22:03:58
○ 2026-08-06 09:37:10

○A162.213.255.92015-06-12 → 2016-06-26 · 4 obs

● 2015-06-12 20:45:34
● 2016-06-26 14:12:38
○ 2026-04-29 15:53:04
○ 2026-08-06 09:37:10

○A162.244.93.52026-07-12 → 2026-07-12 · 4 obs

○ 2026-05-29 07:40:22
● 2026-07-12 22:03:58
○ 2026-07-24 14:30:26
○ 2026-08-06 09:37:10

○A172.67.193.2342026-04-29 → 2026-05-29 · 8 obs

○ 2016-06-26 14:12:38
● 2026-04-29 15:53:04
● 2026-04-30 15:11:24
○ 2026-05-08 19:28:42
● 2026-05-20 18:22:00
● 2026-05-29 07:40:22
○ 2026-07-12 22:03:58
○ 2026-08-06 09:37:10

○A188.114.96.02026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-30 15:11:24
● 2026-05-08 19:28:42
○ 2026-05-20 18:22:00
○ 2026-08-06 09:37:10

○A188.114.97.02026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-30 15:11:24
● 2026-05-08 19:28:42
○ 2026-05-20 18:22:00
○ 2026-08-06 09:37:10

○A2606:4700:3031::ac43:c1ea2026-04-29 → 2026-05-29 · 8 obs

○ 2016-06-26 14:12:38
● 2026-04-29 15:53:04
● 2026-04-30 15:11:24
○ 2026-05-08 19:28:42
● 2026-05-20 18:22:00
● 2026-05-29 07:40:22
○ 2026-07-12 22:03:58
○ 2026-08-06 09:37:10

○A2606:4700:3036::6815:340b2026-04-29 → 2026-05-29 · 8 obs

○ 2016-06-26 14:12:38
● 2026-04-29 15:53:04
● 2026-04-30 15:11:24
○ 2026-05-08 19:28:42
● 2026-05-20 18:22:00
● 2026-05-29 07:40:22
○ 2026-07-12 22:03:58
○ 2026-08-06 09:37:10

○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-30 15:11:24
● 2026-05-08 19:28:42
○ 2026-05-20 18:22:00
○ 2026-08-06 09:37:10

○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-30 15:11:24
● 2026-05-08 19:28:42
○ 2026-05-20 18:22:00
○ 2026-08-06 09:37:10

●A34.174.28.1432026-07-24 → 2026-08-06 · 3 obs

○ 2026-07-12 22:03:58
● 2026-07-24 14:30:26
● 2026-08-06 09:37:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
roentech.com	gene.ns.cloudflare.com, noah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.133

NS records: gene.ns.cloudflare.com, noah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for roentech.com (unsigned zone)

⏱️ Timing

Total: 1361ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.174.28.143`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.roentech.com has exactly one IP address — 34.174.28.143.

desireehome.com, nailstudent.com, mail.seomiami.org plus two other host names have IP numbers in common with mail.roentech.com.

mail.roentech.com - robtex.com