prefersource.com - dns.ninja

`prefersource.com`

DNSSEC	⚠️ Not signed
A	208.91.197.27^{🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object}
NS	`ns25.worldnic.com` ⭐
		A	162.159.26.132^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns26.worldnic.com`
		A	162.159.27.77^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`prefersource-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
MX	`mail.prefersource.com`⁽⁷⁰⁾
		A	67.109.57.105^{🇺🇸 AS282867.104.0.0/13 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`exchange.dreamquestholidays.com`
			PTR	`exchange.iexpresstravel.com`
			PTR	`smtpus.peninsulachiropractic.com`
			PTR	`smtpus.prefersource.com`
			PTR	`exchange.primecellar.com`
			PTR	`exchange.primeglobalrealty.com`
			PTR	`exchange.primepac.com`
			PTR	`smtpus.primepac.com`
			PTR	`webmail.primepac.com`
MX	`exchange.prefersource.com`⁽⁸⁰⁾
		A	67.109.57.105^{🇺🇸 AS282867.104.0.0/13 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`exchange.dreamquestholidays.com`
			PTR	`exchange.iexpresstravel.com`
			PTR	`smtpus.peninsulachiropractic.com`
			PTR	`smtpus.prefersource.com`
			PTR	`exchange.primecellar.com`
			PTR	`exchange.primeglobalrealty.com`
			PTR	`exchange.primepac.com`
			PTR	`smtpus.primepac.com`
			PTR	`webmail.primepac.com`
MX	`smtpxo.prefersource.com`⁽⁹⁰⁾
		A	67.109.57.105^{🇺🇸 AS282867.104.0.0/13 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`exchange.dreamquestholidays.com`
			PTR	`exchange.iexpresstravel.com`
			PTR	`smtpus.peninsulachiropractic.com`
			PTR	`smtpus.prefersource.com`
			PTR	`exchange.primecellar.com`
			PTR	`exchange.primeglobalrealty.com`
			PTR	`exchange.primepac.com`
			PTR	`smtpus.primepac.com`
			PTR	`webmail.primepac.com`
TXT	`MS=ms32701949`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS25.WORLDNIC.com`namehost@WORLDNIC.com serial=122051309

`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=1785952604

Subdomains

smtpxo.prefersource.com

exchange.prefersource.com

smtpus.prefersource.com

mail.prefersource.com

Same first word

prefersource.com

DNS History

13 records (7 active, 6 former)

○NSdns1.hostpro.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 17:52:46
○ 2015-07-02 05:02:08
○ 2026-08-05 18:02:32

○NSdns2.hostpro.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 17:52:46
○ 2015-07-02 05:02:08
○ 2026-08-05 18:02:32

○NSdns3.hostpro.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 17:52:46
○ 2015-07-02 05:02:08
○ 2026-08-05 18:02:32

●NSns25.worldnic.com2015-07-02 → 2026-08-05 · 3 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2026-08-05 18:02:32

●NSns26.worldnic.com2015-07-02 → 2026-08-05 · 3 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2026-08-05 18:02:32

●MXexchange.prefersource.com2015-07-02 → 2026-08-05 · 3 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2026-08-05 18:02:32

●MXmail.prefersource.com2015-07-02 → 2026-08-05 · 3 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2026-08-05 18:02:32

●MXprefersource-com.mail.protection.outlook.com2017-03-21 → 2026-08-05 · 3 obs

○ 2015-07-02 05:02:08
● 2017-03-21 20:04:18
● 2026-08-05 18:02:32

○MXsmtpus.primepac.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 17:52:46
○ 2015-07-02 05:02:08
○ 2026-08-05 18:02:32

●MXsmtpxo.prefersource.com2015-07-02 → 2026-08-05 · 3 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2026-08-05 18:02:32

○A206.188.205.2442015-07-02 → 2019-04-12 · 5 obs

○ 2007-10-29 17:52:46
● 2015-07-02 05:02:08
● 2019-04-12 03:19:00
○ 2026-02-16 03:54:56
○ 2026-08-05 18:02:32

●A208.91.197.272026-02-16 → 2026-08-05 · 3 obs

○ 2019-04-12 03:19:00
● 2026-02-16 03:54:56
● 2026-08-05 18:02:32

○A64.77.34.222007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 17:52:46
○ 2015-07-02 05:02:08
○ 2026-08-05 18:02:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
prefersource.com	ns25.worldnic.com, ns26.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.77

NS records: ns25.worldnic.com, ns26.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prefersource.com (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.27`
NS	2	`ns25.worldnic.com, ns26.worldnic.com`
MX	4	`prefersource-com.mail.protection.outlook, exchange.prefersource.com (pri: 80)...`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms32701949`
SOA	1	`NS25.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns25.worldnic.com, ns26.worldnic.com)

Analysis

Hierarchy

prefersource.com is the parent domain of smtpxo.prefersource.com, exchange.prefersource.com, smtpus.prefersource.com and mail.prefersource.com.

IP Addresses

prefersource.com resolves to one IP address: 208.91.197.27.

mail1.caesarnapoli.net, wpmjr.com, rayn.com and two other host names share IP numbers with prefersource.com.

Name Servers

DNS delegation for prefersource.com points to two name servers: ns25.worldnic.com and ns26.worldnic.com.

prefersource.com uses the same name servers as several other domains — among them yorkshire-us.com, trueoil.co, cityofmartinsburg.org and two more.

ns25.worldnic.com and ns26.worldnic.com each resolve to one IP number: ns25.worldnic.com points to 162.159.26.132 and ns26.worldnic.com points to 162.159.27.77.

Mail Servers

prefersource.com has four mail servers: exchange.prefersource.com, mail.prefersource.com, smtpxo.prefersource.com and prefersource-com.mail.protection.outlook.com.

Hostnames that resolve to 8 IP addresses:

prefersource-com.mail.protection.outlook.com has IP addresses 52.101.8.46, 52.101.9.26 and 52.101.40.2, plus 5 other.

Hosts with just one IP address:

exchange.prefersource.com directs to 67.109.57.105.

mail.prefersource.com directs to 67.109.57.105.

smtpxo.prefersource.com directs to 67.109.57.105.

The host names exchange.prefersource.com, mail.prefersource.com and smtpxo.prefersource.com each resolve to 67.109.57.105.