grisoft.com - dns.ninja

`grisoft.com`

DNSSEC	⚠️ Not signed
A	69.94.75.39^{🇨🇿 AVAST-AS-DC69.94.75.0/24}
A	166.98.243.13^{🇺🇸 AS16733166.98.242.0/23 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
NS	`ns.grisoft.cz` ⭐
NS	`a1-182.akam.net`
		A	2600:1401:2::b6^{🇺🇸 Akamai2600:1401:2::/48 Technologies}
			PTR	`a1-182.akam.net`
			PTR	`ns1-182.akam.net`
		A	193.108.91.182^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-182.akam.net`
			PTR	`ns1-182.akam.net`
NS	`a11-66.akam.net`
		A	2600:1480:1::42^{🇺🇸 Akamai2600:1480:1::/48 Technologies}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
		A	84.53.139.66^{🇳🇱 Akamai84.53.139.0/24 Technologies}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
NS	`a13-65.akam.net`
		A	2600:1480:800::41^{🇺🇸 Akamai2600:1480:800::/48 Technologies}
			PTR	`a13-65.akam.net`
			PTR	`ns2-65.akam.net`
		A	2.22.230.65^{🇳🇱 Akamai2.22.230.0/24 Technologies}
			PTR	`a13-65.akam.net`
			PTR	`ns2-65.akam.net`
NS	`a20-66.akam.net`
		A	2a02:26f0:67::42^{🇳🇱 Akamai2a02:26f0:67::/48 Technologies}
			PTR	`a20-66.akam.net`
		A	95.100.175.66^{🇳🇱 Akamai95.100.175.0/24 Technologies}
			PTR	`a20-66.akam.net`
NS	`a26-67.akam.net`
		A	2600:1480:b800::43^{🇺🇸 Akamai2600:1480:b800::/48 Technologies}
			PTR	`a26-67.akam.net`
		A	23.74.25.67^{🇺🇸 Akamai23.74.25.0/24 Technologies}
			PTR	`a26-67.akam.net`
NS	`a6-67.akam.net`
		A	2600:1401:1::43^{🇺🇸 Akamai2600:1401:1::/48 Technologies}
			PTR	`a6-67.akam.net`
		A	23.211.133.67^{🇺🇸 Akamai23.211.133.0/24 Technologies}
			PTR	`a6-67.akam.net`
MX	`grisoft-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr03cu00201.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.194.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:212.96....`
TXT	`MS=ms53509759`
TXT	`MS=ms49211959`
SOA	`ns.grisoft.cz`domainadministration@avg.com 2023-09-19 #67

`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=1783833682

rank #9789 globally
rank #4788 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #36,672

Subdomains

guru.grisoft.com

ns1.grisoft.com

secure.grisoft.com

free.grisoft.com

ftp.grisoft.com

biz.grisoft.com

www.grisoft.com

akamai.grisoft.com

origin.grisoft.com

Same first word

grisoft.dk

grisoft.cz

grisoft.ch

grisoft.de

grisoft.com.cn

grisoft.co.nz

grisoft.com.es

grisoft.at

grisoft.com

grisoft.gr

grisoft.com.au

grisoft.biz

grisoft.hk

grisoft.jp

grisoft.es

grisoft.it

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firstgo.org

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gofirst.eu

gofirst.com.tw

gofirst.biz

rigsoft.ru

gofirst.solutions

gofirst.net

frogits.co.za

rgisoft.com

sitfrog.com

firstgo.de

gofirst.co

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irgsoft.com

grofits.com

gofirst.ch

gofirst.in

gofirst.com

gofirst.ru

gofirst.de

itfrogs.ru

igrsoft.com

rosgift.com

softrig.it

giftors.com

rigsoft.com

gifrost.com

frostig.org

firstgo.net

DNS History

32 records (10 active, 22 former)

●NSa1-182.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

●NSa11-66.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

●NSa13-65.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

●NSa20-66.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

●NSa26-67.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

●NSa6-67.akam.net2018-12-26 → 2026-07-12 · 3 obs

○ 2018-02-09 10:11:06
● 2018-12-26 16:19:28
● 2026-07-12 05:51:00

○NSasia1.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

○NSasia9.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

○NSeur3.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

○NSeur4.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

●NSns.grisoft.cz2015-08-13 → 2026-07-12 · 2 obs

● 2015-08-13 02:38:34
● 2026-07-12 05:51:00

○NSusw3.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

○NSusw4.akam.net2015-08-13 → 2018-02-09 · 4 obs

● 2015-08-13 02:38:34
● 2018-02-09 10:11:06
○ 2018-12-26 16:19:28
○ 2026-07-12 05:51:00

○MXalt1.aspmx.l.google.com2017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○MXalt2.aspmx.l.google.com2017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○MXalt3.aspmx.l.google.com2017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○MXalt4.aspmx.l.google.com2017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○MXaspmx.l.google.com2017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

●MXgrisoft-com.mail.protection.outlook.com2026-02-15 → 2026-07-12 · 3 obs

○ 2018-12-26 16:19:28
● 2026-02-15 04:17:34
● 2026-07-12 05:51:00

○MXms-lax.avg.com2015-08-13 → 2016-12-17 · 4 obs

● 2015-08-13 02:38:34
● 2016-12-17 11:41:38
○ 2017-07-24 02:19:40
○ 2026-07-12 05:51:00

○MXms-lnd.avg.com2015-08-13 → 2017-07-24 · 4 obs

● 2015-08-13 02:38:34
● 2017-07-24 02:19:40
○ 2017-10-03 19:02:32
○ 2026-07-12 05:51:00

○MXms-self01.avg.com2015-08-13 → 2017-07-24 · 4 obs

● 2015-08-13 02:38:34
● 2017-07-24 02:19:40
○ 2017-10-03 19:02:32
○ 2026-07-12 05:51:00

○MXms-self02.avg.com2015-08-13 → 2017-07-24 · 4 obs

● 2015-08-13 02:38:34
● 2017-07-24 02:19:40
○ 2017-10-03 19:02:32
○ 2026-07-12 05:51:00

○MXms-tnt.avg.com2015-08-13 → 2016-12-17 · 4 obs

● 2015-08-13 02:38:34
● 2016-12-17 11:41:38
○ 2017-07-24 02:19:40
○ 2026-07-12 05:51:00

●A166.98.243.132026-02-15 → 2026-07-12 · 3 obs

○ 2018-12-26 16:19:28
● 2026-02-15 04:17:34
● 2026-07-12 05:51:00

○A185.189.92.412017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○A212.67.88.772015-08-13 → 2016-02-11 · 4 obs

● 2015-08-13 02:38:34
● 2016-02-11 10:35:24
○ 2016-03-09 17:27:34
○ 2026-07-12 05:51:00

○A212.96.161.2292017-10-03 → 2018-12-26 · 5 obs

○ 2017-07-24 02:19:40
● 2017-10-03 19:02:32
● 2018-12-26 16:19:28
○ 2026-02-15 04:17:34
○ 2026-07-12 05:51:00

○A69.94.64.882026-02-15 → 2026-05-29 · 5 obs

○ 2018-12-26 16:19:28
● 2026-02-15 04:17:34
● 2026-05-29 06:39:38
○ 2026-05-29 16:40:08
○ 2026-07-12 05:51:00

●A69.94.75.392026-05-29 → 2026-07-12 · 3 obs

○ 2026-05-29 06:39:38
● 2026-05-29 16:40:08
● 2026-07-12 05:51:00

○A93.184.211.282015-08-13 → 2017-07-24 · 4 obs

● 2015-08-13 02:38:34
● 2017-07-24 02:19:40
○ 2017-10-03 19:02:32
○ 2026-07-12 05:51:00

○A93.184.217.92015-08-13 → 2017-07-24 · 4 obs

● 2015-08-13 02:38:34
● 2017-07-24 02:19:40
○ 2017-10-03 19:02:32
○ 2026-07-12 05:51:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grisoft.com	a11-66.akam.net, a6-67.akam.net, a26-67.akam.net, a1-182.akam.net...	-

✅ Authoritative Response

Server:95.100.175.66

NS records: a11-66.akam.net, a6-67.akam.net, a26-67.akam.net, a1-182.akam.net, a13-65.akam.net, a20-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grisoft.com (unsigned zone)

⏱️ Timing

Total: 1521ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`166.98.243.13, 69.94.75.39`
NS	6	`a20-66.akam.net, a6-67.akam.net...`
MX	1	`grisoft-com.mail.protection.outlook.com`
TXT	3	`MS=ms49211959, v=spf1 include:_spf.google.com include:s...`
SOA	1	`ns.grisoft.cz domainadministration.avg.c`

Analysis

Hierarchy

Among the subdomains of grisoft.com are guru.grisoft.com, ns1.grisoft.com, secure.grisoft.com, free.grisoft.com, ftp.grisoft.com and a few other host names.

IP Addresses

grisoft.com points to the IP addresses 69.94.75.39 and 166.98.243.13

Among the host names that share IP numbers with grisoft.com are avg.com.vc, avg-antispyware.cz, fangbingdu.com and two others.

Name Servers

DNS for grisoft.com is handled by 7 name servers: ns.grisoft.cz, a1-182.akam.net, a11-66.akam.net and 4 others.

There is at least partial name server overlap between grisoft.com and other domains — realla.ca, weekday.nu, msbo.ms.gov and two more among them.

These name servers regularly appear alongside a13-65.akam.net, a20-66.akam.net, a26-67.akam.net and 7 other name servers in NS record sets.

Hosts with two IP numbers each:

a1-182.akam.net has two IP addresses: 193.108.91.182 and 2600:1401:2::b6.

a11-66.akam.net has two IP addresses: 84.53.139.66 and 2600:1480:1::42.

a13-65.akam.net has two IP addresses: 2.22.230.65 and 2600:1480:800::41.

a20-66.akam.net has two IP addresses: 95.100.175.66 and 2a02:26f0:67::42.

a26-67.akam.net has two IP addresses: 23.74.25.67 and 2600:1480:b800::43.

a6-67.akam.net has two IP addresses: 23.211.133.67 and 2600:1401:1::43.

Mail Servers

grisoft.com routes its mail through a single mail server, grisoft-com.mail.protection.outlook.com.

grisoft-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.8.42, 52.101.8.46 and 52.101.40.6, along with 5 other.