`smtp.castlefish.com`

CNAME	`smtp.gmail.com`
DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c21::6d^{🇺🇸 Google}
		PTR	`pe-in-f109.1e100.net`
A	64.233.180.108^{🇺🇸 Google}

`castlefish.com`

	DNSSEC	⚠️ Not signed
	A	216.239.32.21^{🇺🇸 Google}
	A	216.239.34.21^{🇺🇸 Google}
	A	216.239.36.21^{🇺🇸 Google}
	A	216.239.38.21^{🇺🇸 Google}
	NS	`ns13.domaincontrol.com` ⭐
	NS	`ns14.domaincontrol.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 include:_spf.google.com ~all`
	SOA	`ns13.domaincontrol.com`dns@jomax.net 2025-01-28 #0

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DNS History

1 record (1 active, 0 former)

●CNAMEsmtp.gmail.com2026-02-22 → 2026-02-22 · 2 obs

● 2026-02-22 12:28:40
● 2026-02-22 12:28:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
castlefish.com	ns13.domaincontrol.com, ns14.domaincontrol.com	-

✅ Authoritative Response

Server: 173.201.74.7

NS records: ns13.domaincontrol.com, ns14.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castlefish.com (unsigned zone)

⏱️ Timing

Total: 50ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`smtp.gmail.com`

AI analysis

Two IP numbers are pointed to by smtp.castlefish.com: 2607:f8b0:4004:c21::6d and 64.233.180.108.

other host names include pe-in-f108.1e100.net, smtp.gmail.com, pop.outnow.ch, pe-in-f109.1e100.net and on-in-f108.1e100.net; they share IP numbers with smtp.castlefish.com.

smtp.castlefish.com - robtex.com