`othersidesoftware.com`

DNSSEC	🔒 Signed (DS record present)
A	81.4.69.124^{🇳🇱 AS-TBNLTN81.4.64.0/20 ProServe Network}
		PTR	`othersidesoftware.com`
NS	`nsauth1.bit.nl` ⭐
		A	2001:7b8:3:2c::53^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`nsauth1.bit.nl`
		A	213.136.12.51^{🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.}
			PTR	`nsauth1.bit.nl`
NS	`nsauth2.bit.nl`
		A	2001:7b8:3:2d::53^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`nsauth2.bit.nl`
		A	213.136.12.59^{🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.}
			PTR	`nsauth2.bit.nl`
NS	`nsauth3.bit.org`
		A	2001:1af8:4700:a119:16:0:8517:1588^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	85.17.15.88^{🇳🇱 LEASEWEB-NL-AMS-0185.17.0.0/16 LEASEWEB}
			PTR	`nsauth3.bit.org`
MX	`othersidesoftware-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:81.22.243.84 ip4:81.22.243.88 ip4:81.22.243.104 ip4:81.22.243.105 ...`
TXT	`bw=EMmxsVVPjoAf7BFgjtNLzpbZOenTZ818qBJWxrnz3FdG`
SOA	`nsauth1.bit.nl`hostmaster@bit.nl 2026-04-08 #1

`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=1776975951

PTR for

Previously MX for

othersidesoftware.com

Subdomains

mxa1.othersidesoftware.com

mxp1.othersidesoftware.com

Same first word

othersidesoftware.com

DNS History

9 records (5 active, 4 former)

○NSns1.heliohost.org2018-01-16 → 2018-01-16 · 3 obs

● 2018-01-16 02:44:00
○ 2026-03-06 12:02:54
○ 2026-04-23 20:41:30

○NSns2.heliohost.org2018-01-16 → 2018-01-16 · 3 obs

● 2018-01-16 02:44:00
○ 2026-03-06 12:02:54
○ 2026-04-23 20:41:30

●NSnsauth1.bit.nl2026-03-06 → 2026-04-23 · 3 obs

○ 2018-01-16 02:44:00
● 2026-03-06 12:02:54
● 2026-04-23 20:41:30

●NSnsauth2.bit.nl2026-03-06 → 2026-04-23 · 3 obs

○ 2018-01-16 02:44:00
● 2026-03-06 12:02:54
● 2026-04-23 20:41:30

●NSnsauth3.bit.org2026-03-06 → 2026-04-23 · 3 obs

○ 2018-01-16 02:44:00
● 2026-03-06 12:02:54
● 2026-04-23 20:41:30

●MXothersidesoftware-com.mail.protection.outlook.com2026-03-06 → 2026-04-23 · 3 obs

○ 2018-01-16 02:44:00
● 2026-03-06 12:02:54
● 2026-04-23 20:41:30

○MXothersidesoftware.com2018-01-16 → 2018-01-16 · 3 obs

● 2018-01-16 02:44:00
○ 2026-03-06 12:02:54
○ 2026-04-23 20:41:30

○A64.62.211.1342018-01-16 → 2018-01-16 · 3 obs

● 2018-01-16 02:44:00
○ 2026-03-06 12:02:54
○ 2026-04-23 20:41:30

●A81.4.69.1242026-03-06 → 2026-04-23 · 3 obs

○ 2018-01-16 02:44:00
● 2026-03-06 12:02:54
● 2026-04-23 20:41:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
othersidesoftware.com	nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bit.org	-

✅ Authoritative Response

Server:85.17.15.88

NS records: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bit.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 700ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.4.69.124`
NS	3	`nsauth3.bit.org, nsauth2.bit.nl...`
MX	1	`othersidesoftware-com.mail.protection.ou`
TXT	2	`v=spf1 ip4:81.22.243.84 ip4:81.22.243.88, bw=EMmxsVVPjoAf7BFgjtNLzpbZOenTZ818qBJWx`
SOA	1	`nsauth1.bit.nl hostmaster.bit.nl`

Analysis

Hierarchy

othersidesoftware.com is a parent of mxa1.othersidesoftware.com and mxp1.othersidesoftware.com.

IP Addresses

othersidesoftware.com points to IP number: 81.4.69.124.

Other host names, for instance verzuimsysteem.nl share IP numbers with othersidesoftware.com.

Name Servers

othersidesoftware.com is delegated to three name servers: nsauth1.bit.nl, nsauth2.bit.nl and nsauth3.bit.org.

othersidesoftware.com at least partially shares name servers with other domains, for instance dmz.bit.nl, triodoscrowdfunding.co.uk, sierwerk.nl, craiova.nl and botsauto.nl.

These name servers are commonly used with ns1.dnsmanager.nl and ns2.dnsmanager.nl.

Host nsauth1.bit.nl points to 2001:7b8:3:2c::53 and 213.136.12.51; Host nsauth2.bit.nl points to 2001:7b8:3:2d::53 and 213.136.12.59; Host nsauth3.bit.org points to 2001:1af8:4700:a119:16:0:8517:1588 and 85.17.15.88.

Mail Servers

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

Host name othersidesoftware-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::5, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::8, 52.101.68.3, 52.101.68.5, 52.101.68.8 and 52.101.68.39.

othersidesoftware.com - robtex.com