`arithmostech.com`

DNSSEC	⚠️ Not signed
A	80.88.87.115^{🇮🇹 ARUBA-ASN80.88.80.0/20}
		PTR	`linp116.arubabusiness.it`
NS	`dns2.widhost.net` ⭐
		A	217.61.96.167^{🇫🇷 ARUBAFR-AS217.61.96.0/21 Aruba.FR Network}
			PTR	`ns.abdns.info`
NS	`dns.widhost.net`
		A	95.110.136.38^{🇮🇹 ARUBA-ASN95.110.136.0/21 Aruba S.p.A. Network}
			PTR	`ns.abdns.biz`
MX	`arithmostech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`_o5siv0e6xhd7zubqbpymm7mq08wiext`
TXT	`sophos-domain-verification=4b6b6fea69ed36676aff5b53fca9371c3c93b271485bb9770e...`
TXT	`3uFwLVe05D/bODKVibAFACWcpavrcWimzrRjoYDRdeVxE5jyiN8ZVlvJTdZ8H6gRZM6ETsS0NH3f8...`
TXT	`v=spf1 include:spf.protection.outlook.com include:md02.com include:eu.transma...`
TXT	`MS=ms47109508`
TXT	`sfycm6km9v2f8k5ysnvh2035y9z39h39`
SOA	`dns.widhost.net`postmaster@arithmostech.com 2026-04-08 #4

`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=1776218647

Subdomains

ar-pub237.arithmostech.com

Same first word

arithmostech.com

Similar names

christathome.net

christathome.com

DNS History

9 records (4 active, 5 former)

●NSdns.widhost.net2015-05-16 → 2026-04-15 · 2 obs

● 2015-05-16 13:39:48
● 2026-04-15 02:15:38

●NSdns2.widhost.net2015-05-16 → 2026-04-15 · 4 obs

● 2015-05-16 13:39:48
○ 2015-09-23 23:26:36
● 2021-05-23 02:22:00
● 2026-04-15 02:15:38

○MXar-pub237.arithmostech.com2017-05-23 → 2019-07-03 · 5 obs

○ 2016-07-19 06:06:36
● 2017-05-23 18:36:02
● 2019-07-03 23:03:14
○ 2021-05-23 02:22:00
○ 2026-04-15 02:15:38

●MXarithmostech-com.mail.protection.outlook.com2021-05-23 → 2026-04-15 · 4 obs

○ 2019-07-03 23:03:14
● 2021-05-23 02:22:00
○ 2026-03-01 00:37:28
● 2026-04-15 02:15:38

○MXexchange.arithmostech.com2015-05-16 → 2016-07-19 · 4 obs

● 2015-05-16 13:39:48
● 2016-07-19 06:06:36
○ 2017-05-23 18:36:02
○ 2026-04-15 02:15:38

○MXexchangedr.arithmostech.com2015-12-14 → 2019-07-03 · 5 obs

○ 2015-05-16 13:39:48
● 2015-12-14 22:54:14
● 2019-07-03 23:03:14
○ 2021-05-23 02:22:00
○ 2026-04-15 02:15:38

○MXmail.arithmostech.com2015-05-16 → 2019-07-03 · 4 obs

● 2015-05-16 13:39:48
● 2019-07-03 23:03:14
○ 2021-05-23 02:22:00
○ 2026-04-15 02:15:38

●A80.88.87.1152021-05-23 → 2026-04-15 · 4 obs

○ 2019-07-03 23:03:14
● 2021-05-23 02:22:00
○ 2026-03-01 00:37:28
● 2026-04-15 02:15:38

○A85.235.131.162015-05-16 → 2019-07-03 · 4 obs

● 2015-05-16 13:39:48
● 2019-07-03 23:03:14
○ 2021-05-23 02:22:00
○ 2026-04-15 02:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
arithmostech.com	dns.widhost.net, dns2.widhost.net	-

✅ Authoritative Response

Server:217.61.96.167

NS records: dns.widhost.net, dns2.widhost.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arithmostech.com (unsigned zone)

⏱️ Timing

Total: 3565ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.88.87.115`
NS	2	`dns2.widhost.net, dns.widhost.net`
MX	1	`arithmostech-com.mail.protection.outlook`
TXT	6	`_o5siv0e6xhd7zubqbpymm7mq08wiext, sophos-domain-verification=4b6b6fea69ed3...`
SOA	1	`dns.widhost.net postmaster.arithmostech.`

Analysis

Hierarchy

arithmostech.com is the parent of ar-pub237.arithmostech.com.

IP Addresses

arithmostech.com resolves to one IP number: 80.88.87.115.

other host names including scuolasteiner-modena.it, lineainform.it, silviatarozzi.it, menchetti.it and comune.fossalto.cb.it share IP numbers with arithmostech.com.

Name Servers

arithmostech.com is delegated to two name servers dns2.widhost.net and dns.widhost.net.

arithmostech.com shares the same name server setup as other domains, for instance contattolavoro.it, remacsrl.it, venditacondizionatorimitsubishimilano.com, bperbancaperleeconomieregionali.biz and cometfer.net.

arithmostech.com at least partially shares name servers with other domains, for instance everysrl.com, sfoggia.com, arcadiaitaly.it, farmina.net and 4youit.net.

These name servers are commonly used with ns.abdns.biz, ns.abdns.eu and ns.abdns.info.

Host names with one IP number:

dns2.widhost.net points to 217.61.96.167

dns.widhost.net points to 95.110.136.38

Mail Servers

arithmostech.com is handled by a single mail server, arithmostech-com.mail.protection.outlook.com.

Host arithmostech-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::9, 52.101.68.8, 52.101.68.36, 52.101.73.2 and 52.101.73.26.

arithmostech.com - robtex.com