`contextreference.com`

DNSSEC	⚠️ Not signed
A	63.135.121.224^{🇺🇸 AS1499263.135.96.0/19}
NS	`ns3.newtekdns.com` ⭐
		A	216.119.106.4^{🇺🇸 AS14992216.119.64.0/18}
			PTR	`ns3.newtekdns.com`
NS	`ns4.newtekdns.com`
		A	216.119.106.7^{🇺🇸 AS14992216.119.64.0/18}
			PTR	`ns4.newtekdns.com`
MX	`mail21.newtekwebhosting.com` ⭐
		A	216.119.106.26^{🇺🇸 AS14992216.119.64.0/18}
			PTR	`maila21.newtekwebhosting.com`
TXT	`v=spf1 a mx/24 ip4:63.134.207.1/24 ip4:216.197.96.155 ?all`
SOA	`ns3.newtekdns.com`administrator@newtekwebhosting.com serial=11

`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=1771291435

Same first word

contextreference.com

DNS History

7 records (4 active, 3 former)

●NSns3.newtekdns.com2020-03-19 → 2026-03-24 · 3 obs

○ 2017-01-12 05:15:56
● 2020-03-19 06:11:28
● 2026-03-24 09:33:58

○NSns3.webcontrolcenter.com2015-07-16 → 2017-01-12 · 4 obs

● 2015-07-16 07:13:52
● 2017-01-12 05:15:56
○ 2020-03-19 06:11:28
○ 2026-03-24 09:33:58

●NSns4.newtekdns.com2020-03-19 → 2026-03-24 · 3 obs

○ 2017-01-12 05:15:56
● 2020-03-19 06:11:28
● 2026-03-24 09:33:58

○NSns4.webcontrolcenter.com2015-07-16 → 2017-01-12 · 4 obs

● 2015-07-16 07:13:52
● 2017-01-12 05:15:56
○ 2020-03-19 06:11:28
○ 2026-03-24 09:33:58

●MXmail21.newtekwebhosting.com2020-03-19 → 2026-03-24 · 3 obs

○ 2017-01-12 05:15:56
● 2020-03-19 06:11:28
● 2026-03-24 09:33:58

○MXmail21.webcontrolcenter.com2015-07-16 → 2017-01-12 · 4 obs

● 2015-07-16 07:13:52
● 2017-01-12 05:15:56
○ 2020-03-19 06:11:28
○ 2026-03-24 09:33:58

●A63.135.121.2242015-07-16 → 2026-03-24 · 2 obs

● 2015-07-16 07:13:52
● 2026-03-24 09:33:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
contextreference.com	ns3.newtekdns.com, ns4.newtekdns.com	2 records

✅ Authoritative Response

Server:216.119.106.7

NS records: ns3.newtekdns.com, ns4.newtekdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextreference.com (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`63.135.121.224`
NS	2	`ns3.newtekdns.com, ns4.newtekdns.com`
MX	1	`mail21.newtekwebhosting.com (pri: 0)`
TXT	1	`v=spf1 a mx/24 ip4:63.134.207.1/24 ip4:2`
SOA	1	`ns3.newtekdns.com administrator.newtekwe`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.newtekdns.com, ns4.newtekdns.com)

Analysis

IP Addresses

contextreference.com resolves to a single IP: 63.135.121.224.

Name Servers

contextreference.com has two name servers: ns3.newtekdns.com and ns4.newtekdns.com.

contextreference.com shares the same name server setup as other domains, for example callrn.com, joelswelding.com, tomparrmd.net, marctedeschi.org and mitsubishienginetrader.com.

contextreference.com shares some name servers with other domains, for example mgamotorsport.com, ansinc.com, intag.com, lynchburghokieclub.com and easymadeforms.com.

These name servers are commonly used together with ns3.webcontrolcenter.com and ns4.webcontrolcenter.com.

Host names with a single IP:

ns3.newtekdns.com points to 216.119.106.4

ns4.newtekdns.com points to 216.119.106.7

Mail Servers

contextreference.com is handled by a single mail server, mail21.newtekwebhosting.com.

contextreference.com shares the mail server setup with other domains, for example booksandtrees.com, carboncc.com, reeffanatic.com, lushproductions.net and cdsinc.net.

Host name mail21.newtekwebhosting.com points to IP 216.119.106.26.

contextreference.com - robtex.com