`rftengineering.com`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
NS	`ns1.anno.com` ⭐
		A	2a01:7e00::f03c:95ff:fe91:5de8^{🇬🇧 AKAMAI-LINODE-AP2a01:7e00::/32 Akamai Technologies}
			PTR	`ns1.i-svr.net`
		A	85.159.209.216^{🇬🇧 AKAMAI-LINODE-AP85.159.208.0/21 Akamai Technologies}
			PTR	`ns1.i-svr.net`
NS	`ns2.anno.com`
		A	2001:19f0:1000:33a4:5400:5ff:fe3a:493c^{🇺🇸 AS-VULTR2001:19f0:1000::/38 Vultr Assigned Prefix}
			PTR	`ns2.i-svr.net`
		A	104.207.134.199^{🇺🇸 AS-VULTR104.207.132.0/22 Vultr Assigned Prefix}
			PTR	`ns2.i-svr.net`
NS	`ns3.anno.com`
		A	2001:19f0:6c00:1878:5400:5ff:fe3a:4b6a^{🇩🇪 AS-VULTR2001:19f0:6c00::/38 Vultr Assigned Prefix}
			PTR	`ns3.i-svr.net`
		A	108.61.178.144^{🇩🇪 AS-VULTR108.61.178.0/23 Vultr Assigned Prefix}
			PTR	`ns3.i-svr.net`
MX	`mail.rftengineering.com` ⭐
		A	72.9.157.238^{🇺🇸 AS3027772.9.152.0/21}
			PTR	`www-29.i-svr.net`
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

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776203892

Subdomains

mail.rftengineering.com

Same first word

rftengineering.com

DNS History

7 records (5 active, 2 former)

●NSns1.anno.com2015-08-14 → 2026-04-14 · 2 obs

● 2015-08-14 12:50:28
● 2026-04-14 22:22:48

●NSns2.anno.com2015-08-14 → 2026-04-14 · 2 obs

● 2015-08-14 12:50:28
● 2026-04-14 22:22:48

●NSns3.anno.com2017-03-15 → 2026-04-14 · 3 obs

○ 2015-08-14 12:50:28
● 2017-03-15 14:05:04
● 2026-04-14 22:22:48

●MXmail.rftengineering.com2015-08-14 → 2026-04-14 · 2 obs

● 2015-08-14 12:50:28
● 2026-04-14 22:22:48

●A13.248.243.52026-03-17 → 2026-04-14 · 3 obs

○ 2017-03-15 14:05:04
● 2026-03-17 09:56:16
● 2026-04-14 22:22:48

○A67.228.181.2242015-08-14 → 2016-07-16 · 4 obs

● 2015-08-14 12:50:28
● 2016-07-16 23:37:54
○ 2017-03-15 14:05:04
○ 2026-04-14 22:22:48

○A72.9.157.2382017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-16 23:37:54
● 2017-03-15 14:05:04
○ 2026-03-17 09:56:16
○ 2026-04-14 22:22:48

🔍 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:108.61.178.144

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: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.248.243.5`
NS	3	`ns2.anno.com, ns3.anno.com...`
MX	1	`mail.rftengineering.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:72.9.157.238 +ip4:72.`
SOA	1	`ns1.anno.com serveradmin.i-svr.net`

📌 Glue Records Collected

Total: 6

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

Analysis

Hierarchy

rftengineering.com is the parent of mail.rftengineering.com.

IP Addresses

rftengineering.com resolves to one IP number: 13.248.243.5.

other host names including eugenezen.com, prendagroup.com, thecocoacorner.com, discoverdiamonds.in and alfatud.com share IP numbers with rftengineering.com.

Name Servers

rftengineering.com is delegated to three name servers ns1.anno.com, ns2.anno.com and ns3.anno.com.

rftengineering.com at least partially shares name servers with other domains, for instance modbox.co.za, maddogmetalinc.net, mypabx.co.za, navarre.co.za and robbenisland.co.za.

These name servers are commonly used with ns1.ihosting.co.za, ns2.ihosting.co.za, ns2.i-svr.net, ns1.i-svr.net and ns3.i-svr.net.

Host names with two IP numbers:

ns1.anno.com points to: 2a01:7e00::f03c:95ff:fe91:5de8 and 85.159.209.216.

ns2.anno.com points to: 2001:19f0:1000:33a4:5400:5ff:fe3a:493c and 104.207.134.199.

ns3.anno.com points to: 2001:19f0:6c00:1878:5400:5ff:fe3a:4b6a and 108.61.178.144.

Mail Servers

rftengineering.com is handled by a single mail server, mail.rftengineering.com.

mail.rftengineering.com resolves to IP 72.9.157.238.

rftengineering.com - robtex.com