`onecalculatorapp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d78b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:10bb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.187^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.139^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
MX	`mxa.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`google-site-verification=pt65-AB57AnwHCoQevA8cUQzzr2jQWRrtjNVpy7lj3U`
TXT	`v=spf1 include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.187, 172.67.215.139
		IPv6 hints	2606:4700:3032::ac43:d78b, 2606:4700:3037::6815:10bb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2406310072

`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=1784462012

Same first word

onecalculatorapp.com

DNS History

11 records (8 active, 3 former)

●NSdan.ns.cloudflare.com2026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

○NSns27.domaincontrol.com2026-05-06 → 2026-05-20 · 4 obs

● 2026-05-06 05:26:38
● 2026-05-20 19:52:36
○ 2026-07-19 11:59:14
○ 2026-07-19 11:59:16

○NSns28.domaincontrol.com2026-05-06 → 2026-05-20 · 4 obs

● 2026-05-06 05:26:38
● 2026-05-20 19:52:36
○ 2026-07-19 11:59:14
○ 2026-07-19 11:59:16

●NSzelda.ns.cloudflare.com2026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

●MXmxa.mailgun.org2026-05-06 → 2026-07-19 · 2 obs

● 2026-05-06 05:26:38
● 2026-07-19 11:59:16

●MXmxb.mailgun.org2026-05-06 → 2026-07-19 · 2 obs

● 2026-05-06 05:26:38
● 2026-07-19 11:59:16

●A104.21.16.1872026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

●A172.67.215.1392026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

●A2606:4700:3032::ac43:d78b2026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

●A2606:4700:3037::6815:10bb2026-07-19 → 2026-07-19 · 3 obs

○ 2026-05-20 19:52:36
● 2026-07-19 11:59:14
● 2026-07-19 11:59:16

○A75.2.60.52026-05-06 → 2026-05-20 · 4 obs

● 2026-05-06 05:26:38
● 2026-05-20 19:52:36
○ 2026-07-19 11:59:14
○ 2026-07-19 11:59:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
onecalculatorapp.com	dan.ns.cloudflare.com, zelda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.108

NS records: dan.ns.cloudflare.com, zelda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onecalculatorapp.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.187, 172.67.215.139`
AAAA	2	`2606:4700:3037::6815:10bb, 2606:4700:3032::ac43:d78b`
NS	2	`dan.ns.cloudflare.com, zelda.ns.cloudflare.com`
MX	2	`mxa.mailgun.org (pri: 60), mxb.mailgun.org (pri: 60)`
TXT	2	`google-site-verification=pt65-AB57AnwHCo, v=spf1 include:mailgun.org ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

onecalculatorapp.com directs to four IP numbers, which are 104.21.16.187, 172.67.215.139, 2606:4700:3032::ac43:d78b and 2606:4700:3037::6815:10bb.

Among the host names that share IP numbers with onecalculatorapp.com are assignmentmaster.org.uk, i-techc.com, equinow.net and two others.

Name Servers

Two name servers handle the delegation for onecalculatorapp.com: dan.ns.cloudflare.com and zelda.ns.cloudflare.com.

onecalculatorapp.com has the same name server delegation as a number of other domains, such as rlw.co.nz, hinz.org.nz, grwfrance.com and two more.

There is at least partial name server overlap between onecalculatorapp.com and other domains — tose.pl, tartarugastudio.pl, nhprep.com and two more among them.

Host names resolving to 6 IP numbers:

dan.ns.cloudflare.com resolves to 108.162.193.108, 172.64.33.108 and 173.245.59.108 among others, with 3 other IP addresses in total.

zelda.ns.cloudflare.com resolves to 108.162.192.242, 172.64.32.242 and 173.245.58.242 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for onecalculatorapp.com point to two mail servers: mxa.mailgun.org and mxb.mailgun.org.

onecalculatorapp.com has the same mail server arrangement as a number of other domains, for example maggieshen.co.uk, satsport.site, collectiblepintrader.com and two more.

onecalculatorapp.com shares at least some of its mail servers with other domains — for example bradenboothby.com, aboca.com, geoteknica.com and two more.

mxa.mailgun.org → 34.149.254.5 and mxb.mailgun.org → 34.36.182.139: one IP number per host name.

onecalculatorapp.com - robtex.com