`historyof.us`

DNSSEC	⚠️ Not signed
A	75.2.60.5^{🇺🇸 Amazon75.2.60.0/24 Prod}
		PTR	`acd89244c803f7181.awsglobalaccelerator.com`
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	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1742127228

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1786567159

Same first word

historyof.it

historyof.com

historyof.us

historyof.email

historyof.org

historyof.me

historyof.lt

historyof.net

historyof.ie

historyof.co.uk

Similar names

ofhistory.com

DNS History

13 records (8 active, 5 former)

●NSdns1.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

●NSdns2.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

○NSns41.domaincontrol.com2015-08-05 → 2019-01-26 · 4 obs

● 2015-08-05 21:52:16
● 2019-01-26 02:09:50
○ 2026-06-08 04:33:30
○ 2026-08-12 21:05:20

○NSns42.domaincontrol.com2015-08-05 → 2019-01-26 · 4 obs

● 2015-08-05 21:52:16
● 2019-01-26 02:09:50
○ 2026-06-08 04:33:30
○ 2026-08-12 21:05:20

●MXeforward1.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

●MXeforward2.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

●MXeforward3.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

●MXeforward4.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

●MXeforward5.registrar-servers.com2026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

○MXmailstore1.secureserver.net2015-08-05 → 2019-01-26 · 4 obs

● 2015-08-05 21:52:16
● 2019-01-26 02:09:50
○ 2026-06-08 04:33:30
○ 2026-08-12 21:05:20

○MXsmtp.secureserver.net2015-08-05 → 2019-01-26 · 4 obs

● 2015-08-05 21:52:16
● 2019-01-26 02:09:50
○ 2026-06-08 04:33:30
○ 2026-08-12 21:05:20

○A184.168.221.392015-08-05 → 2019-01-26 · 4 obs

● 2015-08-05 21:52:16
● 2019-01-26 02:09:50
○ 2026-06-08 04:33:30
○ 2026-08-12 21:05:20

●A75.2.60.52026-06-08 → 2026-08-12 · 3 obs

○ 2019-01-26 02:09:50
● 2026-06-08 04:33:30
● 2026-08-12 21:05:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
historyof.us	dns1.registrar-servers.com, dns2.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.133.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for historyof.us (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.2.60.5`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

Analysis

IP Addresses

historyof.us resolves to one IP address: 75.2.60.5.

dfirsupport.com, usport.info, ramenkagura.com and two other host names share IP numbers with historyof.us.

Name Servers

historyof.us is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

historyof.us uses the same name servers as several other domains — among them mesformations.ca, bimoption.com, homecapmortgage.com and two more.

historyof.us shares at least some of its name servers with other domains, such as kamogo.com.

dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

historyof.us has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

historyof.us has at least partial mail server overlap with other domains such as brotherfarr.com, chatkeeda.com, pdxunvaccinated.com and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com points to 162.255.118.51.

eforward2.registrar-servers.com points to 162.255.118.52.

eforward3.registrar-servers.com points to 162.255.118.51.

eforward4.registrar-servers.com points to 162.255.118.52.

eforward5.registrar-servers.com points to 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com are host names that each point to 162.255.118.52 IP addresses.