`mail.rftengineering.com`

DNSSEC	⚠️ Not signed
A	72.9.157.238^{🇺🇸 AS3027772.9.152.0/21}
		PTR	`www-29.i-svr.net`

`rftengineering.com`

	DNSSEC	⚠️ Not signed
	A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
	NS	`ns1.anno.com` ⭐
	NS	`ns2.anno.com`
	NS	`ns3.anno.com`
	MX	`mail.rftengineering.com` ⭐
	TXT	`v=spf1 +a +mx +ip4:72.9.157.238 +ip4:72.9.157.240 ~all`
	SOA	`ns1.anno.com`serveradmin@i-svr.net 2026-03-26 #7

MX for

rftengineering.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A67.228.181.2242015-02-23 → 2016-07-17 · 4 obs

● 2015-02-23 11:14:30
● 2016-07-17 06:44:06
○ 2026-04-09 09:25:50
○ 2026-04-14 17:06:44

●A72.9.157.2382026-04-09 → 2026-04-14 · 3 obs

○ 2016-07-17 06:44:06
● 2026-04-09 09:25:50
● 2026-04-14 17:06:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rftengineering.com	ns2.anno.com, ns1.anno.com, ns3.anno.com	6 records

✅ Authoritative Response

Server:104.207.134.199

NS records: ns2.anno.com, ns1.anno.com, ns3.anno.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rftengineering.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.9.157.238`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns2.anno.com, ns2.anno.com, ns1.anno.com...)

Analysis

Mail Server Role

mail.rftengineering.com serves as the mail server for rftengineering.com.

IP Addresses

mail.rftengineering.com points to IP number 72.9.157.238.

For instance, other host names mail.tynox.co.za, hilltopcountrylodge.co.za, mail.gemsafaris.com, mail.jokatsaras.com and parked.anno.com share IP numbers with mail.rftengineering.com.

mail.rftengineering.com - robtex.com