`rationalregistry.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:cf74^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:32a4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.164^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.116^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clarissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:267b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clarissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clarissa.ns.cloudflare.com`
		A	108.162.194.123^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	162.159.38.123^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	172.64.34.123^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
NS	`elijah.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cfd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elijah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elijah.ns.cloudflare.com`
		A	108.162.195.253^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	162.159.44.253^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	172.64.35.253^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
MX	`mx1.spacemail.com` ⭐
		A	162.255.118.30^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx1.spacemail.com`
MX	`mx2.spacemail.com`⁽²⁰⁾
		A	162.255.118.31^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx2.spacemail.com`
TXT	`google-site-verification=CjC6ZIZGNMktfQlefpzLyqRJ42CgNJzTF4EcYV7pzrU`
TXT	`v=spf1 include:spf.spacemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.164, 172.67.207.116
		IPv6	2606:4700:3030::ac43:cf74, 2606:4700:3037::6815:32a4
SOA	`clarissa.ns.cloudflare.com`dns@cloudflare.com serial=2398558592

`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=1775088467

Same first word

rationalregistry.com

DNS History

8 records (8 active, 0 former)

●NSclarissa.ns.cloudflare.com2026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●NSelijah.ns.cloudflare.com2026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●MXmx1.spacemail.com2026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●MXmx2.spacemail.com2026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●A104.21.50.1642026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●A172.67.207.1162026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●A2606:4700:3030::ac43:cf742026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

●A2606:4700:3037::6815:32a42026-03-20 → 2026-04-02 · 2 obs

● 2026-03-20 06:59:32
● 2026-04-02 00:17:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
rationalregistry.com	clarissa.ns.cloudflare.com, elijah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.123

NS records: clarissa.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rationalregistry.com (unsigned zone)

⏱️ Timing

Total: 1517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.164, 172.67.207.116`
AAAA	2	`2606:4700:3037::6815:32a4, 2606:4700:3030::ac43:cf74`
NS	2	`clarissa.ns.cloudflare.com, elijah.ns.cloudflare.com`
MX	2	`mx1.spacemail.com (pri: 10), mx2.spacemail.com (pri: 20)`
TXT	2	`google-site-verification=CjC6ZIZGNMktfQl, v=spf1 include:spf.spacemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clarissa.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (clarissa.ns.cloudflare.com, clarissa.ns.cloudflare.com, clarissa.ns.cloudflare.com...)

Analysis

IP Addresses

rationalregistry.com resolves to four IP numbers: 2606:4700:3030::ac43:cf74, 2606:4700:3037::6815:32a4, 104.21.50.164 and 172.67.207.116.

Other host names such as ev6.org, omanuae.net, wuliu-sh.com, bikerscafe.com and forgelab.ca share IPs with rationalregistry.com.

Name Servers

rationalregistry.com is delegated to two name servers: clarissa.ns.cloudflare.com and elijah.ns.cloudflare.com.

rationalregistry.com shares the same name server setup as azestforlife.com, sentetiksezar.com, philippklemm.de, klemm.tv and whey.pro.

rationalregistry.com at least partially shares name servers with other domains, for instance aintello.com, nysn.com, bonus168new.com, presstext.se and 0199g.com.

these name servers are commonly used with jay.ns.cloudflare.com, jarred.ns.cloudflare.com, martin.ns.cloudflare.com and matt.ns.cloudflare.com.

Host names with six IP numbers:

clarissa.ns.cloudflare.com points to 2606:4700:50::a29f:267b, 2803:f800:50::6ca2:c27b, 2a06:98c1:50::ac40:227b, 108.162.194.123, 162.159.38.123 and 172.64.34.123.

elijah.ns.cloudflare.com points to 2606:4700:58::a29f:2cfd, 2803:f800:50::6ca2:c3fd, 2a06:98c1:50::ac40:23fd, 108.162.195.253, 162.159.44.253 and 172.64.35.253.

Mail Servers

rationalregistry.com is handled by two mail servers: mx1.spacemail.com and mx2.spacemail.com.

The mail server setup for rationalregistry.com matches that of other domains, for instance msdpn.id, johnpash.com, coviana.com, logiclovely.com and bskt.ai.

rationalregistry.com shares at least partially some mail servers with other domains, including ofvaa.com, reefclear.com, tokovoucher.net, kunststofftechniker.eu and beautyretailer.center.

Host names with a single IP:

mx1.spacemail.com points to 162.255.118.30.

mx2.spacemail.com points to 162.255.118.31.

rationalregistry.com - robtex.com