`mail.firstletter.co`

DNSSEC

⚠️ Not signed

`firstletter.co`

	DNSSEC	⚠️ Not signed
	A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
	A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
	NS	`ns35.domaincontrol.com` ⭐
	NS	`ns36.domaincontrol.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=dHOeCeA1EzK72DdQ1bAwfw94JgYNwvkrYpjbd14E1ug`
	TXT	`v=spf1 include:dc-aa8e722993._spfm.firstletter.co ~all`
	SOA	`ns35.domaincontrol.com`dns@jomax.net 2023-09-20 #0

Previously MX for

firstletter.co

Same first word

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DNS History

5 records (0 active, 5 former)

○A192.163.252.532015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 16:06:04
○ 2016-02-12 13:56:18
○ 2026-04-24 07:07:14

○A52.22.183.582016-02-12 → 2016-02-12 · 4 obs

○ 2015-07-25 16:06:04
● 2016-02-12 13:56:18
○ 2016-06-19 11:57:22
○ 2026-04-24 07:07:14

○A54.174.168.1842016-02-12 → 2016-02-12 · 4 obs

○ 2015-07-25 16:06:04
● 2016-02-12 13:56:18
○ 2016-06-19 11:57:22
○ 2026-04-24 07:07:14

○CNAMEpr-co-suspensions.neuweb.biz2016-02-12 → 2016-02-12 · 3 obs

● 2016-02-12 13:56:18
○ 2016-06-19 11:57:22
○ 2026-04-24 07:07:14

○CNAMEws-pr-web-suspensionpages-1962938698.us-east-1.elb.amazonaws.com2016-02-12 → 2016-02-12 · 3 obs

● 2016-02-12 13:56:18
○ 2016-06-19 11:57:22
○ 2026-04-24 07:07:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
firstletter.co	ns35.domaincontrol.com, ns36.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.75.18

NS records: ns35.domaincontrol.com, ns36.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstletter.co (unsigned zone)

⏱️ Timing

Total: 271ms | Queries: -

📄 Records

Type	Count	Sample Data

mail.firstletter.co - robtex.com