`smtpus.prefersource.com`

DNSSEC	⚠️ Not signed
A	35.221.179.163^{🇹🇼 Google35.221.176.0/20}
		PTR	`163.179.221.35.bc.googleusercontent.com`

`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` ⭐
	NS	`ns26.worldnic.com`
	MX	`prefersource-com.mail.protection.outlook.com` ⭐
	MX	`mail.prefersource.com`⁽⁷⁰⁾
	MX	`exchange.prefersource.com`⁽⁸⁰⁾
	MX	`smtpxo.prefersource.com`⁽⁹⁰⁾
	TXT	`MS=ms32701949`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`NS25.WORLDNIC.com`namehost@WORLDNIC.com serial=122051309

PTR for

105.57.109.67.in-addr.arpa

Similar names

stumps.co.za

smutps.ru

uspstm.top

stumps.ca

upstms.com

stumps.in

stumps.biz

tpmsus.com

stumps.me

DNS History

2 records (1 active, 1 former)

○A206.188.205.2442015-06-11 → 2016-04-21 · 4 obs

● 2015-06-11 05:51:48
● 2016-04-21 16:59:18
○ 2026-03-17 14:03:50
○ 2026-05-15 00:28:00

●A35.221.179.1632026-03-17 → 2026-05-15 · 3 obs

○ 2016-04-21 16:59:18
● 2026-03-17 14:03:50
● 2026-05-15 00:28:00

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.159.26.132

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prefersource.com (unsigned zone)

⏱️ Timing

Total: 2571ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.221.179.163`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

smtpus.prefersource.com points to IP number 35.221.179.163.

Other host names, for example exchange.toymakercellars.com and 163.179.221.35.bc.googleusercontent.com, share IPs with smtpus.prefersource.com.

smtpus.prefersource.com - robtex.com