`forums.sierraonline.com`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`

`sierraonline.com`

	DNSSEC	⚠️ Not signed
	A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
	NS	`ns1.markmonitor.com` ⭐
	NS	`ns2.markmonitor.com`
	NS	`ns3.markmonitor.com`
	NS	`ns4.markmonitor.com`
	NS	`ns5.markmonitor.com`
	NS	`ns6.markmonitor.com`
	NS	`ns7.markmonitor.com`
	MX	`bh.markmonitor.com` ⭐
	SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2014-08-01 #2

WOT: SAFE (63/100)
WOT: SAFE (64/100)

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formus.ru

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sforum.at

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furoms.com

DNS History

3 records (1 active, 2 former)

○A12.129.226.2052008-07-11 → 2008-07-11 · 3 obs

● 2008-07-11 17:36:18
○ 2015-08-01 03:03:52
○ 2026-04-13 06:20:04

●A3.33.139.322026-02-20 → 2026-04-13 · 3 obs

○ 2016-05-22 05:59:42
● 2026-02-20 02:12:26
● 2026-04-13 06:20:04

○A72.52.10.142015-08-01 → 2016-05-22 · 5 obs

○ 2008-07-11 17:36:18
● 2015-08-01 03:03:52
● 2016-05-22 05:59:42
○ 2026-02-20 02:12:26
○ 2026-04-13 06:20:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sierraonline.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.160.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sierraonline.com (unsigned zone)

⏱️ Timing

Total: 443ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

forums.sierraonline.com points to a single IP number: 3.33.139.32.

Other host names, for instance www.hbrideacast.com, tommy.com.cn, ebay-portaldecrecimiento.es, dettol.net and grandcanyonrivertrips.net share IP numbers with forums.sierraonline.com.

forums.sierraonline.com - robtex.com