`referbuilder.com`

DNSSEC	⚠️ Not signed
A	37.188.125.86^{🇬🇧 RACKSPACE-LON37.188.96.0/19 Rackspace}
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`
NS	`dns1.stabletransit.com`
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`dns2.stabletransit.com`
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
SOA	`ns.rackspace.com`richardsmart@gmail.com serial=1370867916

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774682437

Same first word

referbuilder.com

DNS History

4 records (4 active, 0 former)

●NSdns1.stabletransit.com2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 11:13:28
● 2026-03-28 07:40:46

●NSdns2.stabletransit.com2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 11:13:28
● 2026-03-28 07:40:46

●NSns.rackspace.com2015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 11:13:28
● 2026-03-28 07:40:46

●A37.188.125.862015-06-19 → 2026-03-28 · 2 obs

● 2015-06-19 11:13:28
● 2026-03-28 07:40:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
referbuilder.com	dns1.stabletransit.com, dns2.stabletransit.com	2 records

✅ Authoritative Response

Server:69.20.95.4

NS records: dns1.stabletransit.com, dns2.stabletransit.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referbuilder.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.188.125.86`
NS	2	`dns1.stabletransit.com, dns2.stabletransit.com`
SOA	1	`ns.rackspace.com richardsmart.gmail.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.stabletransit.com, dns2.stabletransit.com)

Analysis

IP Addresses

referbuilder.com points to a single IP: 37.188.125.86.

Other host names, for instance understandingstudents.com, share IP numbers with referbuilder.com.

Name Servers

referbuilder.com is delegated to three name servers: ns.rackspace.com, dns1.stabletransit.com and dns2.stabletransit.com.

referbuilder.com at least partially shares its name servers with other domains, for instance amershamflorist.co.uk, sparehanger.com, lilyalley.co.uk, soundrink.com and southend-on-sea-taxis.co.uk.

These name servers are commonly used alongside ns2.rackspace.com and dns.stabletransit.com.

Host names with a single IP

ns.rackspace.com maps to: 69.20.95.4

dns1.stabletransit.com maps to: 69.20.95.4

dns2.stabletransit.com maps to: 65.61.188.4

Host names mapping to 69.20.95.4: ns.rackspace.com, dns1.stabletransit.com

referbuilder.com - robtex.com