classesup.com - dns.ninja

`classesup.com`

DNSSEC	⚠️ Not signed
A	191.96.251.245^{🇧🇷 IIHOS001191.96.251.0/24 HOSTINGER BR}
NS	`ns3.hostmar.com` ⭐
		A	200.58.112.193^{🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com}
			PTR	`ns3.hostmar.com`
NS	`ns1.donweb.com`
		A	200.58.112.193^{🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com}
			PTR	`ns3.hostmar.com`
NS	`ns2.donweb.com`
		A	200.58.112.101^{🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com}
			PTR	`ns4.hostmar.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
MX	`ucnpvm3iobwocjvdg3rflk5sjpmr2blxeq7bgxo5tglta4pbm4ea.mx-verification.google.com`⁽¹⁵⁾
TXT	`v=spf1 include:_spf.mail.hostinger.com include:_spf.google.com ~all`
SOA	`ns3.hostmar.com`root@hostmar.com 2026-06-13 #0

`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=1785460777

Same first word

classesup.com

Similar names

casesplus.com

upsscales.com

pluscases.com

uspsscale.com

DNS History

14 records (6 active, 8 former)

○NSdns1.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

○NSdns2.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

●NSns1.donweb.com2026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

●NSns2.donweb.com2026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

●NSns3.hostmar.com2026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

○MXeforward1.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

○MXeforward2.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

○MXeforward3.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

○MXeforward4.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

○MXeforward5.registrar-servers.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

●MXsmtp.google.com2026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

●MXucnpvm3iobwocjvdg3rflk5sjpmr2blxeq7bgxo5tglta4pbm4ea.mx-verification.google.com2026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

●A191.96.251.2452026-03-08 → 2026-07-31 · 3 obs

○ 2019-12-17 21:21:30
● 2026-03-08 04:38:54
● 2026-07-31 01:30:18

○A192.64.119.552019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:21:30
○ 2026-03-08 04:38:54
○ 2026-07-31 01:30:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
classesup.com	ns1.donweb.com, ns2.donweb.com	2 records

✅ Authoritative Response

Server:200.58.112.193

NS records: ns1.donweb.com, ns2.donweb.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classesup.com (unsigned zone)

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.96.251.245`
NS	2	`ns2.donweb.com, ns1.donweb.com`
MX	2	`SMTP.GOOGLE.com (pri: 1), ucnpvm3iobwocjvdg3rflk5sjpmr2blxeq7bgxo5`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com i`
SOA	1	`ns3.hostmar.com root.hostmar.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.donweb.com, ns2.donweb.com)

Analysis

IP Addresses

classesup.com resolves to just one IP address, 191.96.251.245.

Name Servers

Three name servers are authoritative for classesup.com: ns1.donweb.com, ns2.donweb.com and ns3.hostmar.com.

At least some of classesup.com's name servers are shared with other domains, for example historiadelperonismo.com, estudiosans.com.ar, jcrodriguez.com.ar and two more.

These name servers tend to co-occur with ns4.hostmar.com, ns21.dattatec.com, ns22.dattatec.com and 5 other name servers in the same DNS delegations.

The hostnames ns1.donweb.com, ns2.donweb.com and ns3.hostmar.com each have one IP address. ns1.donweb.com resolves to 200.58.112.193; ns2.donweb.com resolves to 200.58.112.101; ns3.hostmar.com resolves to 200.58.112.193 — the same address as ns1.donweb.com.

These two host names — ns1.donweb.com and ns3.hostmar.com — each point to 200.58.112.193 IP addresses.

Mail Servers

classesup.com is served by two mail servers, smtp.google.com and ucnpvm3iobwocjvdg3rflk5sjpmr2blxeq7bgxo5tglta4pbm4ea.mx-verification.google.com.

There is at least a partial MX overlap between classesup.com and other domains, including uxpros.com, autojoy.ai, voxstoria.net and two others.

DNS names with 9 IP addresses:

smtp.google.com carries IP addresses 142.251.163.26, 142.251.163.27 and 173.194.45.27, with 6 other addresses beyond those.