gradetools.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`gradetools.com`

DNSSEC	⚠️ Not signed
A	85.254.199.3^{🇱🇻 SigmaNet-NIC85.254.192.0/18 SigmaNet-Geant}
NS	`a.sigmanet.lv` ⭐
		A	2a02:500:3330:419::a^{🇱🇻 SigmaNet-NIC2a02:500::/29 Institute of Mathematics and Computer Science}
			PTR	`a.sigmanet.lv`
		A	85.254.194.195^{🇱🇻 SigmaNet-NIC85.254.192.0/18 SigmaNet-Geant}
			PTR	`a.sigmanet.lv`
NS	`b.sigmanet.lv`
		A	2a02:500:4500:c::b^{🇱🇻 SigmaNet-NIC2a02:500:4000::/35 SigmaNet NIC}
			PTR	`b.sigmanet.lv`
		A	92.240.66.145^{🇱🇻 SigmaNet-NIC92.240.64.0/19 LU MII}
			PTR	`b.sigmanet.lv`
MX	`mx2.latnet.lv` ⭐
		A	2a02:500:4500:a::34^{🇱🇻 SigmaNet-NIC2a02:500:4000::/35 SigmaNet NIC}
			PTR	`mx2.latnet.lv`
		A	92.240.66.34^{🇱🇻 SigmaNet-NIC92.240.64.0/19 LU MII}
			PTR	`mx2.latnet.lv`
MX	`mx3.latnet.lv`⁽⁵⁰⁾
		A	2a02:500:4500:a::35^{🇱🇻 SigmaNet-NIC2a02:500:4000::/35 SigmaNet NIC}
			PTR	`mx3.latnet.lv`
		A	92.240.66.35^{🇱🇻 SigmaNet-NIC92.240.64.0/19 LU MII}
			PTR	`mx3.latnet.lv`
MX	`mx.latnet.lv`⁽¹⁰⁰⁾
		A	2a02:500:4500:a::33^{🇱🇻 SigmaNet-NIC2a02:500:4000::/35 SigmaNet NIC}
			PTR	`mx.latnet.lv`
		A	92.240.66.33^{🇱🇻 SigmaNet-NIC92.240.64.0/19 LU MII}
			PTR	`mx.latnet.lv`
TXT	`v=spf1 include:spf.protect.sigmanet.lv -all`
SOA	`a.sigmanet.lv`info@sigmanet.lv 2026-08-13 #2

`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=1786960794

WOT: SAFE (60/100)

Same first word

gradetools.com

Similar names

DNS History

9 records (6 active, 3 former)

●NSa.sigmanet.lv2026-02-16 → 2026-08-17 · 3 obs

○ 2016-12-06 17:13:18
● 2026-02-16 06:09:46
● 2026-08-17 10:28:24

●NSb.sigmanet.lv2026-02-16 → 2026-08-17 · 3 obs

○ 2016-12-06 17:13:18
● 2026-02-16 06:09:46
● 2026-08-17 10:28:24

○NSnsz.latnet.lv2015-09-03 → 2016-12-06 · 4 obs

● 2015-09-03 16:53:46
● 2016-12-06 17:13:18
○ 2026-02-16 06:09:46
○ 2026-08-17 10:28:24

○NSnsz.nic.lv2015-09-03 → 2016-12-06 · 4 obs

● 2015-09-03 16:53:46
● 2016-12-06 17:13:18
○ 2026-02-16 06:09:46
○ 2026-08-17 10:28:24

○NSnsz2.latnet.lv2015-09-03 → 2016-12-06 · 4 obs

● 2015-09-03 16:53:46
● 2016-12-06 17:13:18
○ 2026-02-16 06:09:46
○ 2026-08-17 10:28:24

●MXmx.latnet.lv2015-09-03 → 2026-08-17 · 2 obs

● 2015-09-03 16:53:46
● 2026-08-17 10:28:24

●MXmx2.latnet.lv2015-09-03 → 2026-08-17 · 2 obs

● 2015-09-03 16:53:46
● 2026-08-17 10:28:24

●MXmx3.latnet.lv2015-09-03 → 2026-08-17 · 2 obs

● 2015-09-03 16:53:46
● 2026-08-17 10:28:24

●A85.254.199.32026-02-16 → 2026-08-17 · 2 obs

● 2026-02-16 06:09:46
● 2026-08-17 10:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gradetools.com	a.sigmanet.lv, b.sigmanet.lv	-

✅ Authoritative Response

Server:85.254.194.195

NS records: a.sigmanet.lv, b.sigmanet.lv

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gradetools.com (unsigned zone)

⏱️ Timing

Total: 687ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.254.199.3`
NS	2	`a.sigmanet.lv, b.sigmanet.lv`
MX	3	`mx2.latnet.lv (pri: 50), mx3.latnet.lv (pri: 100)...`
TXT	1	`v=spf1 include:spf.protect.sigmanet.lv -`
SOA	1	`a.sigmanet.lv info.sigmanet.lv`

Analysis

IP Addresses

gradetools.com points to a single IP number: 85.254.199.3.

Other host names share IP numbers with gradetools.com; mola.mii.lu.lv is one such example.

Name Servers

gradetools.com is served by two delegated name servers, a.sigmanet.lv and b.sigmanet.lv.

gradetools.com shares its name server setup with other domains, including well.lv, geant.lv, logucentrs.lv and two others.

Each of the two host names carries two IP addresses: a.sigmanet.lv points to 85.254.194.195 and 2a02:500:3330:419::a, and b.sigmanet.lv points to 92.240.66.145 and 2a02:500:4500:c::b.

Mail Servers

Mail for gradetools.com is routed through three mail servers — mx2.latnet.lv, mx3.latnet.lv and mx.latnet.lv.

gradetools.com shares mail servers — at least in part — with other domains, including projects.lv, iluma.lv, daf.lv and two others.

mx2.latnet.lv resolves to 92.240.66.34 and 2a02:500:4500:a::34. mx3.latnet.lv resolves to 92.240.66.35 and 2a02:500:4500:a::35. mx.latnet.lv resolves to 92.240.66.33 and 2a02:500:4500:a::33. All three hostnames point to two IP numbers each.