rtfeldman.com - dns.ninja

`rtfeldman.com`

DNSSEC	⚠️ Not signed
A	75.2.60.5^{🇺🇸 Amazon75.2.60.0/24 Prod}
		PTR	`acd89244c803f7181.awsglobalaccelerator.com`
A	99.83.231.61^{🇺🇸 Amazon99.83.224.0/20}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1713763642

`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=1782594555

Same first word

rtfeldman.com

Similar names

marnfeldt.se

DNS History

11 records (6 active, 5 former)

●NSdns1.registrar-servers.com2026-02-17 → 2026-06-27 · 3 obs

○ 2017-11-26 19:32:02
● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

●NSdns2.registrar-servers.com2026-02-17 → 2026-06-27 · 3 obs

○ 2017-11-26 19:32:02
● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

○NSns1dhl.name.com2015-08-06 → 2017-11-26 · 4 obs

● 2015-08-06 10:36:32
● 2017-11-26 19:32:02
○ 2026-02-17 17:23:40
○ 2026-06-27 21:36:46

○NSns2bls.name.com2015-08-06 → 2017-11-26 · 4 obs

● 2015-08-06 10:36:32
● 2017-11-26 19:32:02
○ 2026-02-17 17:23:40
○ 2026-06-27 21:36:46

○NSns3jwx.name.com2015-08-06 → 2017-11-26 · 4 obs

● 2015-08-06 10:36:32
● 2017-11-26 19:32:02
○ 2026-02-17 17:23:40
○ 2026-06-27 21:36:46

○NSns4htz.name.com2015-08-06 → 2017-11-26 · 4 obs

● 2015-08-06 10:36:32
● 2017-11-26 19:32:02
○ 2026-02-17 17:23:40
○ 2026-06-27 21:36:46

●MXin1-smtp.messagingengine.com2026-02-17 → 2026-06-27 · 2 obs

● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

●MXin2-smtp.messagingengine.com2026-02-17 → 2026-06-27 · 2 obs

● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

○A66.6.44.42015-08-06 → 2017-11-26 · 4 obs

● 2015-08-06 10:36:32
● 2017-11-26 19:32:02
○ 2026-02-17 17:23:40
○ 2026-06-27 21:36:46

●A75.2.60.52026-02-17 → 2026-06-27 · 3 obs

○ 2017-11-26 19:32:02
● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

●A99.83.231.612026-02-17 → 2026-06-27 · 3 obs

○ 2017-11-26 19:32:02
● 2026-02-17 17:23:40
● 2026-06-27 21:36:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
rtfeldman.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfeldman.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`75.2.60.5, 99.83.231.61`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

rtfeldman.com resolves to the IP addresses 75.2.60.5 and 99.83.231.61

Among the host names that share IP numbers with rtfeldman.com are mhpod.gov.au, acube.co, brewx.com and two others.

Name Servers

rtfeldman.com has two authoritative name servers — dns1.registrar-servers.com and dns2.registrar-servers.com.

rtfeldman.com has the same name server delegation as a number of other domains, such as amazon-vine.info, offbeatpics.com, knockknockgames.com and two more.

rtfeldman.com partially shares its NS delegation with several other domains, including seotips.co, ghbeats.com, theproksels.com and two others.

These name servers regularly co-occur with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Both dns1.registrar-servers.com and dns2.registrar-servers.com have two IP addresses each. dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200; dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

The MX records for rtfeldman.com point to two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

rtfeldman.com has the same mail server arrangement as a number of other domains, for example www.exonetric.net, bitonio.us, fusewp.com and two more.

Host names resolving to 8 IP numbers:

in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Hosts pointing to four IP addresses:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.