formulus.app - dns.ninja

`formulus.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2fa7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:abae^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.167^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.174^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aiden.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c137^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aiden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2137^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aiden.ns.cloudflare.com`
		A	108.162.193.55^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	172.64.33.55^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	173.245.59.55^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
NS	`elinore.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.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	`MS=ms74081551`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.167, 172.67.171.174
		IPv6 hints	2606:4700:3032::6815:2fa7, 2606:4700:3036::ac43:abae
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`aiden.ns.cloudflare.com`dns@cloudflare.com serial=2407928112

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

formulus.app

formulus.com

Similar names

forumsul.ind.br

DNS History

13 records (11 active, 2 former)

●NSaiden.ns.cloudflare.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●NSelinore.ns.cloudflare.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●MXeforward1.registrar-servers.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●MXeforward2.registrar-servers.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●MXeforward3.registrar-servers.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●MXeforward4.registrar-servers.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●MXeforward5.registrar-servers.com2026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●A104.21.47.1672026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

●A172.67.171.1742026-05-05 → 2026-06-29 · 2 obs

● 2026-05-05 01:10:20
● 2026-06-29 13:30:54

○A2606:4700:3031::6815:2fa72026-05-05 → 2026-06-17 · 4 obs

● 2026-05-05 01:10:20
● 2026-06-17 03:00:24
○ 2026-06-19 14:23:22
○ 2026-06-29 13:30:54

●A2606:4700:3032::6815:2fa72026-06-19 → 2026-06-29 · 3 obs

○ 2026-06-17 03:00:24
● 2026-06-19 14:23:22
● 2026-06-29 13:30:54

○A2606:4700:3033::ac43:abae2026-05-05 → 2026-06-17 · 4 obs

● 2026-05-05 01:10:20
● 2026-06-17 03:00:24
○ 2026-06-19 14:23:22
○ 2026-06-29 13:30:54

●A2606:4700:3036::ac43:abae2026-06-19 → 2026-06-29 · 3 obs

○ 2026-06-17 03:00:24
● 2026-06-19 14:23:22
● 2026-06-29 13:30:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
formulus.app	aiden.ns.cloudflare.com, elinore.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.55

NS records: aiden.ns.cloudflare.com, elinore.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formulus.app (unsigned zone)

⏱️ Timing

Total: 2512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.47.167, 172.67.171.174`
AAAA	2	`2606:4700:3032::6815:2fa7, 2606:4700:3036::ac43:abae`
NS	2	`aiden.ns.cloudflare.com, elinore.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`MS=ms74081551, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aiden.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

formulus.app directs to four IP numbers, which are 104.21.47.167, 172.67.171.174, 2606:4700:3032::6815:2fa7 and 2606:4700:3036::ac43:abae.

123av.app, basil.gr, toptea-sh.com plus two other host names have IP numbers in common with formulus.app.

Name Servers

formulus.app has two authoritative name servers — aiden.ns.cloudflare.com and elinore.ns.cloudflare.com.

The name server configuration of formulus.app is shared with other domains, for instance dotir.net, slidenest.com, cloudflare-dns-svc.com and two others.

At least some of formulus.app's name servers are shared with other domains, for example badge.green, jjssbb.com, fastcloud.co and two more.

These name servers tend to be used in conjunction with the name servers zoe.ns.cloudflare.com.

Hosts with 6 IP addresses each:

aiden.ns.cloudflare.com points to 108.162.193.55, 172.64.33.55, 173.245.59.55 and 3 other IP addresses.

elinore.ns.cloudflare.com points to 108.162.192.153, 172.64.32.153, 173.245.58.153 and 3 other IP addresses.

Mail Servers

Five mail servers handle formulus.app: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

At least some of the mail servers used by formulus.app are shared with other domains: peerbasic.com, otsysinc.com, aresascent.com and two others among them.

These mail servers often appear in conjunction with the mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Host names resolving to a single IP address:

eforward1.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com resolves to 162.255.118.52.

eforward3.registrar-servers.com resolves to 162.255.118.51.

eforward4.registrar-servers.com resolves to 162.255.118.52.

eforward5.registrar-servers.com resolves to 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.