`mail.firstclassradio.com`

DNSSEC	⚠️ Not signed
A	2600:3c06::f03c:93ff:feee:7959^{🇺🇸 AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies}
		PTR	`mail.firstclassradio.com`
A	172.234.18.226^{🇺🇸 AKAMAI-LINODE-AP172.234.16.0/20 Akamai Technologies}
TXT	`google-site-verification=fi-7Rr2uxFQjqIMnEglJIx06tnqj1r9-BAUsG0JzHd0`

`firstclassradio.com`

	DNSSEC	⚠️ Not signed
	A	172.232.26.106^{🇺🇸 AKAMAI-LINODE-AP172.232.0.0/19 Akamai Technologies}
	NS	`ns1.linode.com` ⭐
	NS	`ns2.linode.com`
	NS	`ns3.linode.com` ⚠️ Not in parent delegation
	NS	`ns4.linode.com` ⚠️ Not in parent delegation
	NS	`ns5.linode.com` ⚠️ Not in parent delegation
	MX	`mail.firstclassradio.com` ⭐
	TXT	`v=spf1 mx a ip4:172.234.18.226 -all`
	TXT	`google-site-verification=CCdU3CcN5peI9iYmvqAM2gtPhO0M4qWH0UYHJw0C7cc`
	SOA	`ns1.linode.com`admin@firstclassradio.com serial=2021000210

PTR for

226.18.234.172.in-addr.arpa

9.5.9.7.e.e.e.f.f.f.3.9.c.3.0.f.0.0.0.0.0.0.0.0.6.0.c.3.0.0.6.2.ip6.arpa

MX for

firstclassradio.com

garagenet.biz

Same first word

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DNS History

3 records (2 active, 1 former)

●A172.234.18.2262026-03-29 → 2026-03-29 · 2 obs

○ 2016-12-29 09:18:40
● 2026-03-29 11:52:54

●A2600:3c06::f03c:93ff:feee:79592026-03-29 → 2026-03-29 · 2 obs

○ 2016-12-29 09:18:40
● 2026-03-29 11:52:54

○A69.164.196.1542015-07-21 → 2016-12-29 · 3 obs

● 2015-07-21 16:54:36
● 2016-12-29 09:18:40
○ 2026-03-29 11:52:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
firstclassradio.com	ns1.linode.com, ns2.linode.com	4 records

✅ Authoritative Response

Server:92.123.94.3

NS records: ns1.linode.com, ns2.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclassradio.com (unsigned zone)

⏱️ Timing

Total: 100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.234.18.226`
AAAA	1	`2600:3c06::f03c:93ff:feee:7959`
TXT	1	`google-site-verification=fi-7Rr2uxFQjqIM`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Mail Server Role

mail.firstclassradio.com serves as the mail server for firstclassradio.com and garagenet.biz.

IP Addresses

mail.firstclassradio.com points to two IP numbers: 2600:3c06::f03c:93ff:feee:7959 and 172.234.18.226.

Other host names such as mail.comptonsfireworks.com and mail.jonasalan.com share IP numbers with mail.firstclassradio.com.

mail.firstclassradio.com - robtex.com