`sigmascan.org`

DNSSEC	⚠️ Not signed
A	46.137.92.100^{🇮🇪 Amazon46.137.0.0/17 EU AWS Dublin}
		PTR	`ec2-46-137-92-100.eu-west-1.compute.amazonaws.com`
NS	`ns2.rackspace.com` ⭐
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
NS	`ns.rackspace.com`
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
SOA	`ns.rackspace.com`hostmaster@rackspace.com serial=1763745361

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1777209796

Same first word

sigmascan.org

sigmascan.com

DNS History

4 records (3 active, 1 former)

●NSns.rackspace.com2015-05-30 → 2026-04-26 · 2 obs

● 2015-05-30 12:23:42
● 2026-04-26 13:43:16

●NSns2.rackspace.com2015-05-30 → 2026-04-26 · 2 obs

● 2015-05-30 12:23:42
● 2026-04-26 13:43:16

●A46.137.92.1002026-03-28 → 2026-04-26 · 3 obs

○ 2017-03-29 18:46:06
● 2026-03-28 21:26:00
● 2026-04-26 13:43:16

○A46.137.92.1592015-05-30 → 2017-03-29 · 4 obs

● 2015-05-30 12:23:42
● 2017-03-29 18:46:06
○ 2026-03-28 21:26:00
○ 2026-04-26 13:43:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
sigmascan.org	ns2.rackspace.com, ns.rackspace.com	-

✅ Authoritative Response

Server:65.61.188.4

NS records: ns2.rackspace.com, ns.rackspace.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigmascan.org (unsigned zone)

⏱️ Timing

Total: 413ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.137.92.100`
NS	2	`ns.rackspace.com, ns2.rackspace.com`
SOA	1	`ns.rackspace.com hostmaster.rackspace.co`

Analysis

IP Addresses

sigmascan.org resolves to one IP number: 46.137.92.100.

Name Servers

sigmascan.org's delegation uses two name servers: ns2.rackspace.com and ns.rackspace.com.

sigmascan.org uses the same name server setup as other domains, such as stifcycles.com, limberlostconstruction.com, 109.213.134.in-addr.arpa, 42.114.209.in-addr.arpa and aeccontact.com.

sigmascan.org at least partially shares name servers with other domains, including needacruise.co.uk, tacomaartmuseum.org, bellasensalud.com, perfume-click.eu and aciertamax.com.

These name servers are commonly used together with the name servers dns1.stabletransit.com, dns2.stabletransit.com, ns3.solucionwebdns.com and ns4.solucionwebdns.com.

Host names with a single IP address: ns2.rackspace.com points to 65.61.188.4; ns.rackspace.com points to 69.20.95.4.

sigmascan.org - robtex.com

sigmascan.org

org