`mx4.nols.com`

	DNSSEC	⚠️ Not signed
	A	204.77.3.131^{🇺🇸 ASNET204.77.3.0/24}

`nols.com`

	DNSSEC	⚠️ Not signed
	A	3.5.78.14^{🇺🇸 Amazon3.5.78.0/24 EC2 Prefix}
	A	3.5.84.253^{🇺🇸 Amazon3.5.84.0/24 EC2 Prefix}
	A	3.5.85.72^{🇺🇸 Amazon3.5.85.0/24 EC2 Prefix}
	A	52.92.153.211^{🇺🇸 Amazon52.92.152.0/21}
	A	52.92.161.243^{🇺🇸 Amazon52.92.160.0/21}
	A	52.92.230.227^{🇺🇸 Amazon52.92.224.0/21}
	A	52.218.132.2^{🇺🇸 Amazon52.218.132.0/24 AWS S3}
	A	52.218.220.106^{🇺🇸 Amazon52.218.220.0/24 AWS S3}
	NS	`ns-2046.awsdns-63.co.uk` ⭐
	NS	`ns-118.awsdns-14.com`
	NS	`ns-1224.awsdns-25.org`
	NS	`ns-891.awsdns-47.net`
	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	`v=spf1 ip4:67.43.162.0/28 include:_spf.google.com mx ptr ~all`
	SOA	`ns-2046.awsdns-63.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (60/100)

Same first word

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mx4.in-berlin.de

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mx4.cloudaccess.net

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DNS History

1 record (1 active, 0 former)

●A204.77.3.1312015-07-19 → 2026-05-12 · 2 obs

● 2015-07-19 23:31:06
● 2026-05-12 00:02:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nols.com	ns-118.awsdns-14.com, ns-891.awsdns-47.net, ns-1224.awsdns-25.org, ns-2046.awsdns-63.co.uk	2 records

✅ Authoritative Response

Server:205.251.196.200

NS records: ns-118.awsdns-14.com, ns-891.awsdns-47.net, ns-1224.awsdns-25.org, ns-2046.awsdns-63.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nols.com (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.77.3.131`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-118.awsdns-14.com, ns-118.awsdns-14.com)

Analysis

IP Addresses

mx4.nols.com points to a single IP number: 204.77.3.131.

Other host names, for instance mx1.nols.com and users.nols.com, share IP numbers with mx4.nols.com.

mx4.nols.com - robtex.com

mx4.nols.com

nols.com