oncalc.com - robtex.com

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`oncalc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:58a8^{🇺🇸 Cloudflare}✓
A	2606:4700:3033::ac43:976c^{🇺🇸 Cloudflare}✓
A	104.21.88.168^Cloudflare✓
A	172.67.151.108^{🇺🇸 Cloudflare}✓
NS	`matt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare}
			PTR	`matt.ns.cloudflare.com`
NS	`rose.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8d^{🇺🇸 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08d^{🇨🇷 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208d^{🇺🇸 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
		A	108.162.192.141^{🇺🇸 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
		A	172.64.32.141^{🇺🇸 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
		A	173.245.58.141^{🇺🇸 Cloudflare}
			PTR	`rose.ns.cloudflare.com`
MX	`oncalc.com`⁽⁹⁹⁹⁾
		A	2606:4700:3032::6815:58a8^{🇺🇸 Cloudflare}
		A	2606:4700:3033::ac43:976c^{🇺🇸 Cloudflare}
		A	104.21.88.168^Cloudflare
		A	172.67.151.108^{🇺🇸 Cloudflare}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.88.168, 172.67.151.108
		IPv6	2606:4700:3032::6815:58a8, 2606:4700:3033::ac43:976c
SOA	`matt.ns.cloudflare.com`dns@cloudflare.com serial=2392705077

`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=1770918430

Same first word

oncalc.net

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DNS History

17 records (7 active, 10 former)

●NSmatt.ns.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

○NSns1649.hostgator.com2015-07-10 → 2015-09-23 · 5 obs

○ 2008-03-16 01:44:16
● 2015-07-10 05:28:56
● 2015-09-23 22:09:56
○ 2015-12-19 02:44:30
○ 2026-02-14 18:56:14

○NSns1650.hostgator.com2015-07-10 → 2015-09-23 · 5 obs

○ 2008-03-16 01:44:16
● 2015-07-10 05:28:56
● 2015-09-23 22:09:56
○ 2015-12-19 02:44:30
○ 2026-02-14 18:56:14

○NSns608.hostgator.com.br2015-12-19 → 2017-08-12 · 5 obs

○ 2015-09-23 22:09:56
● 2015-12-19 02:44:30
● 2017-08-12 08:11:06
○ 2026-02-14 18:56:12
○ 2026-02-14 18:56:14

○NSns609.hostgator.com.br2015-12-19 → 2017-08-12 · 5 obs

○ 2015-09-23 22:09:56
● 2015-12-19 02:44:30
● 2017-08-12 08:11:06
○ 2026-02-14 18:56:12
○ 2026-02-14 18:56:14

○NSns8259.hostgator.com2015-07-10 → 2015-09-23 · 5 obs

○ 2008-03-16 01:44:16
● 2015-07-10 05:28:56
● 2015-09-23 22:09:56
○ 2015-12-19 02:44:30
○ 2026-02-14 18:56:14

●NSrose.ns.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

○MXmx00.udag.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 01:44:16
○ 2015-07-10 05:28:56
○ 2026-02-14 18:56:14

○MXmx01.udag.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 01:44:16
○ 2015-07-10 05:28:56
○ 2026-02-14 18:56:14

●MXoncalc.com2015-07-10 → 2026-02-14 · 3 obs

○ 2008-03-16 01:44:16
● 2015-07-10 05:28:56
● 2026-02-14 18:56:14

●A104.21.88.1682026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

○A108.179.253.2292015-12-19 → 2017-08-12 · 5 obs

○ 2015-09-23 22:09:56
● 2015-12-19 02:44:30
● 2017-08-12 08:11:06
○ 2026-02-14 18:56:12
○ 2026-02-14 18:56:14

●A172.67.151.1082026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

○A192.185.48.1982015-07-10 → 2015-09-23 · 5 obs

○ 2008-03-16 01:44:16
● 2015-07-10 05:28:56
● 2015-09-23 22:09:56
○ 2015-12-19 02:44:30
○ 2026-02-14 18:56:14

●A2606:4700:3032::6815:58a82026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

●A2606:4700:3033::ac43:976c2026-02-14 → 2026-02-14 · 3 obs

○ 2017-08-12 08:11:06
● 2026-02-14 18:56:12
● 2026-02-14 18:56:14

○A89.31.143.22008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 01:44:16
○ 2015-07-10 05:28:56
○ 2026-02-14 18:56:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
oncalc.com	matt.ns.cloudflare.com, rose.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.131

NS records: matt.ns.cloudflare.com, rose.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oncalc.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.168, 172.67.151.108`
AAAA	2	`2606:4700:3033::ac43:976c, 2606:4700:3032::6815:58a8`
NS	2	`matt.ns.cloudflare.com, rose.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`matt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

AI analysis

Four IP numbers are pointed to by oncalc.com: 2606:4700:3032::6815:58a8, 2606:4700:3033::ac43:976c, 104.21.88.168 and 172.67.151.108.

other host names including theartichokeinn.com, hkpk.cn, www.portalcucalegal.com.br.cdn.cloudflare.net, devru.com and barbarademick.com share IP numbers with oncalc.com.

oncalc.com is delegated to two name servers matt.ns.cloudflare.com and rose.ns.cloudflare.com.

oncalc.com shares the same name server setup as other domains, for instance capcon-group.com, peomethod.com, polarcloud.com, setrics.com and safeguardequipment.com.

oncalc.com at least partially shares name servers with other domains, for instance klc.it, winkstowing.com, p-taylor.co.uk, losno.co and helicorp.co.nz.

Host names with six IP numbers:

Host name matt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b83, 2803:f800:50::6ca2:c183, 2a06:98c1:50::ac40:2183, 108.162.193.131, 172.64.33.131 and 173.245.59.131.

Host name rose.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8d, 2803:f800:50::6ca2:c08d, 2a06:98c1:50::ac40:208d, 108.162.192.141, 172.64.32.141 and 173.245.58.141.

oncalc.com is served by a single mail server, oncalc.com.

The host name oncalc.com resolves to four IP numbers: 2606:4700:3032::6815:58a8, 2606:4700:3033::ac43:976c, 104.21.88.168 and 172.67.151.108.