`davidjacobson.net`

DNSSEC	⚠️ Not signed
A	142.4.204.181^{🇨🇦 OVH142.4.192.0/19 Hosting route}
		PTR	`mxgw.r4l.com`
NS	`ns1.r4l.com` ⭐
		A	2607:5300:60:34bf::1^{🇨🇦 OVH2607:5300::/32 Hosting route}
		A	142.4.204.181^{🇨🇦 OVH142.4.192.0/19 Hosting route}
			PTR	`mxgw.r4l.com`
NS	`ns2.r4l.com`
		A	2600:3c03::f03c:91ff:fe93:e369^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
			PTR	`ns2.r4l.com`
		A	66.228.40.6^{🇺🇸 AKAMAI-LINODE-AP66.228.32.0/20 Akamai Technologies}
			PTR	`ns2.r4l.com`
MX	`mx1.r4l.com` ⭐
		A	192.99.3.191^{🇨🇦 OVH192.99.0.0/16 Hosting route}
			PTR	`smtp.r4l.com`
MX	`mx2.r4l.com` ⭐
		A	192.99.3.191^{🇨🇦 OVH192.99.0.0/16 Hosting route}
			PTR	`smtp.r4l.com`
MX	`mx3.r4l.com` ⭐
		A	192.99.3.191^{🇨🇦 OVH192.99.0.0/16 Hosting route}
			PTR	`smtp.r4l.com`
TXT	`v=spf1 redirect=vhost.r4l.com`
SOA	`ns1.r4l.com`support@register4less.com 2019-12-03 #1

`net`

	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=1774691892

Same first word

davidjacobson.org

davidjacobson.com

davidjacobson.net

DNS History

9 records (6 active, 3 former)

○NSns1.dns4less.com2007-09-22 → 2007-09-22 · 3 obs

● 2007-09-22 07:20:54
○ 2015-06-08 15:15:02
○ 2026-03-28 10:06:42

●NSns1.r4l.com2007-09-22 → 2026-03-28 · 2 obs

● 2007-09-22 07:20:54
● 2026-03-28 10:06:42

○NSns2.dns4less.com2007-09-22 → 2007-09-22 · 3 obs

● 2007-09-22 07:20:54
○ 2015-06-08 15:15:02
○ 2026-03-28 10:06:42

●NSns2.r4l.com2007-09-22 → 2026-03-28 · 2 obs

● 2007-09-22 07:20:54
● 2026-03-28 10:06:42

●MXmx1.r4l.com2007-09-22 → 2026-03-28 · 2 obs

● 2007-09-22 07:20:54
● 2026-03-28 10:06:42

●MXmx2.r4l.com2007-09-22 → 2026-03-28 · 2 obs

● 2007-09-22 07:20:54
● 2026-03-28 10:06:42

●MXmx3.r4l.com2007-09-22 → 2026-03-28 · 2 obs

● 2007-09-22 07:20:54
● 2026-03-28 10:06:42

●A142.4.204.1812015-06-08 → 2026-03-28 · 3 obs

○ 2007-09-22 07:20:54
● 2015-06-08 15:15:02
● 2026-03-28 10:06:42

○A209.44.108.2362007-09-22 → 2007-09-22 · 3 obs

● 2007-09-22 07:20:54
○ 2015-06-08 15:15:02
○ 2026-03-28 10:06:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
davidjacobson.net	ns1.r4l.com, ns2.r4l.com	-

✅ Authoritative Response

Server:142.4.204.181

NS records: ns1.r4l.com, ns2.r4l.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for davidjacobson.net (unsigned zone)

⏱️ Timing

Total: 570ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.4.204.181`
NS	2	`ns2.r4l.com, ns1.r4l.com`
MX	3	`mx2.r4l.com (pri: 10), mx3.r4l.com (pri: 10)...`
TXT	1	`v=spf1 redirect=vhost.r4l.com`
SOA	1	`ns1.r4l.com support.register4less.com`

Analysis

IP Addresses

davidjacobson.net resolves to one IP number: 142.4.204.181.

other host names including alfursan.com, i-bot.com, mx3.r4l.ca, ftp.intermart-online.com and primeunits.com share IP numbers with davidjacobson.net.

Name Servers

davidjacobson.net is delegated to two name servers ns1.r4l.com and ns2.r4l.com.

davidjacobson.net shares the same name server setup as other domains, for instance compoundfracturethemovie.com, amorphousperfume.com, completeclaimsolutions.org, sonomatechnologypartners.com and thenotarylist.com.

Host names with two IP numbers:

The host name ns1.r4l.com points to 2607:5300:60:34bf::1 and 142.4.204.181; the host name ns2.r4l.com points to 2600:3c03::f03c:91ff:fe93:e369 and 66.228.40.6.

Mail Servers

davidjacobson.net is handled by three mail servers: mx1.r4l.com, mx2.r4l.com and mx3.r4l.com.

davidjacobson.net shares some mail servers with other domains, at least partially, for instance mindlab.info, mail.viprating.com, hurricaneforcefield.com, pincher.com and haci.us.

Host names with a single IP:

mx1.r4l.com points to: 192.99.3.191.

mx2.r4l.com points to: 192.99.3.191.

mx3.r4l.com points to: 192.99.3.191.

Host names that point to 192.99.3.191: mx1.r4l.com, mx2.r4l.com and mx3.r4l.com.

davidjacobson.net - robtex.com