`mail.stjohncable.com`

DNSSEC	⚠️ Not signed
A	162.248.144.20^{🇺🇸 RoadRunner162.248.144.0/21 St John Telephone, Inc. 11 East Front Street PO Box 268 St. John WA 99171 United States 509-648-3322}
		PTR	`mail.stjohncable.com`
MX	`mxa.stjohncable.com` ⭐
		A	162.248.144.21^{🇺🇸 RoadRunner162.248.144.0/21 St John Telephone, Inc. 11 East Front Street PO Box 268 St. John WA 99171 United States 509-648-3322}
			PTR	`mxa.stjohncable.com`
MX	`mxb.stjohncable.com` ⭐
		A	162.248.144.22^{🇺🇸 RoadRunner162.248.144.0/21 St John Telephone, Inc. 11 East Front Street PO Box 268 St. John WA 99171 United States 509-648-3322}
			PTR	`mxb.stjohncable.com`

`stjohncable.com`

	DNSSEC	⚠️ Not signed
	A	162.248.144.39^{🇺🇸 RoadRunner162.248.144.0/21 St John Telephone, Inc. 11 East Front Street PO Box 268 St. John WA 99171 United States 509-648-3322}
	NS	`dnsa.stjohncable.com` ⭐
	NS	`dnsb.stjohncable.com`
	MX	`mxa.stjohncable.com` ⭐
	MX	`mxb.stjohncable.com` ⭐
	TXT	`v=spf1 mx ip4:162.248.144.15 ip4:162.248.144.16/29 -all`
	TXT	`google-site-verification=Mj5etrEXyiFlUL8kEZQaSr5ROUL3o29kQp2voKRTtxo`
	TXT	`mailconf=https://autoconfig.stjohncable.com/mail/config-v1.1.xml`
	TXT	`knowbe4-site-verification=1451fbaf45e96d1255821449ce30f0ed`
	SOA	`dnsa.stjohncable.com`dnsadmin@stjohncable.com serial=1775173741

📈 Tranco rank: #620,242

PTR for

20.144.248.162.in-addr.arpa

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DNS History

3 records (3 active, 0 former)

●MXmxa.stjohncable.com2015-05-01 → 2026-05-15 · 2 obs

● 2015-05-01 20:59:54
● 2026-05-15 19:49:22

●MXmxb.stjohncable.com2015-05-01 → 2026-05-15 · 2 obs

● 2015-05-01 20:59:54
● 2026-05-15 19:49:22

●A162.248.144.202015-05-01 → 2026-05-15 · 2 obs

● 2015-05-01 20:59:54
● 2026-05-15 19:49:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stjohncable.com	dnsa.stjohncable.com, dnsb.stjohncable.com	2 records

✅ Authoritative Response

Server:162.248.144.5

NS records: dnsa.stjohncable.com, dnsb.stjohncable.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stjohncable.com (unsigned zone)

⏱️ Timing

Total: 411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.248.144.20`
MX	2	`mxb.stjohncable.com (pri: 10), mxa.stjohncable.com (pri: 10)`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dnsa.stjohncable.com, dnsb.stjohncable.com)

Analysis

IP Addresses

mail.stjohncable.com points to a single IP: 162.248.144.20.

Mail Servers

Two mail servers mxa.stjohncable.com and mxb.stjohncable.com handle mail.stjohncable.com.

mail.stjohncable.com shares the same mail server setup as stjohntelco.net, stjohncable.com and colfaxcable.com.

Host names with a single IP:

mxa.stjohncable.com resolves to 162.248.144.21.

mxb.stjohncable.com resolves to 162.248.144.22.

mail.stjohncable.com - robtex.com