mail.rtfgroup.com - dns.ninja

`mail.rtfgroup.com`

	DNSSEC	⚠️ Not signed
	A	209.17.116.8^{🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}

`rtfgroup.com`

	DNSSEC	⚠️ Not signed
	A	23.236.62.147^{🇺🇸 Google23.236.62.0/24}
	NS	`ns87.worldnic.com` ⭐
	NS	`ns88.worldnic.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`v=spf1 ip4:205.178.152.18 include:_spf.google.com ~all`
	SOA	`NS87.WORLDNIC.com`namehost@WORLDNIC.com serial=117020409

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DNS History

2 records (1 active, 1 former)

○A207.56.198.2372015-06-22 → 2016-04-08 · 4 obs

● 2015-06-22 04:07:56
● 2016-04-08 04:44:24
○ 2016-11-19 03:29:24
○ 2026-07-04 18:15:12

●A209.17.116.82016-11-19 → 2026-07-04 · 3 obs

○ 2016-04-08 04:44:24
● 2016-11-19 03:29:24
● 2026-07-04 18:15:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
rtfgroup.com	ns87.worldnic.com, ns88.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.117

NS records: ns87.worldnic.com, ns88.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfgroup.com (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.17.116.8`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns87.worldnic.com, ns88.worldnic.com)

Analysis

IP Addresses

mail.rtfgroup.com points to a single IP number: 209.17.116.8.

Additional host names — 00657ec.netsolhost.com, dancom.us, shootata2-com.cccg-inc.com and two others — share IP numbers with mail.rtfgroup.com.