`rmi.sbc.com`

DNSSEC	⚠️ Not signed
MX	`mx0a-00191d01.pphosted.com` ⭐
		A	67.231.149.140^{🇺🇸 Proofpoint67.231.149.0/24 Inc.}
			PTR	`mx0a-00191d01.pphosted.com`
MX	`mx0b-00191d01.pphosted.com` ⭐
		A	67.231.157.136^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00191d01.pphosted.com`

`sbc.com`

	DNSSEC	⚠️ Not signed
	A	144.160.143.62^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
	NS	`ns0.attdns.com` ⭐
	NS	`a1-212.akam.net`
	NS	`a14-65.akam.net`
	NS	`a4-66.akam.net`
	NS	`a5-67.akam.net`
	NS	`a8-64.akam.net`
	NS	`a9-66.akam.net`
	MX	`mx0a-00191d01.pphosted.com` ⭐
	MX	`mx0b-00191d01.pphosted.com` ⭐
	TXT	`_mb2uurqg8j1lwv5z39g4wuwu87ve8kn`
	TXT	`v=spf1 mx ~all`
	TXT	`_pyx1jp99jolay2qkkrzg1ipdhb5hqst`
	SOA	`ns0.attdns.com`eiss-dns@att.com 2026-04-15 #1

WOT: SAFE (89/100)
rank #131337 globally
rank #52861 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #30,179

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DNS History

6 records (2 active, 4 former)

○MXgrid1i-ent.seg.att.com2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 09:13:42
○ 2015-10-31 19:56:12
○ 2026-05-09 09:58:40

○MXgrid2i-ent.seg.att.com2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 09:13:42
○ 2015-10-31 19:56:12
○ 2026-05-09 09:58:40

●MXmx0a-00191d01.pphosted.com2017-04-15 → 2026-05-09 · 3 obs

○ 2016-03-27 21:07:14
● 2017-04-15 04:36:24
● 2026-05-09 09:58:40

●MXmx0b-00191d01.pphosted.com2017-04-15 → 2026-05-09 · 3 obs

○ 2016-03-27 21:07:14
● 2017-04-15 04:36:24
● 2026-05-09 09:58:40

○MXmxa-00191d01.gslb.pphosted.com2015-10-31 → 2016-03-27 · 5 obs

○ 2015-05-30 09:13:42
● 2015-10-31 19:56:12
● 2016-03-27 21:07:14
○ 2017-04-15 04:36:24
○ 2026-05-09 09:58:40

○MXmxb-00191d01.gslb.pphosted.com2015-10-31 → 2016-03-27 · 5 obs

○ 2015-05-30 09:13:42
● 2015-10-31 19:56:12
● 2016-03-27 21:07:14
○ 2017-04-15 04:36:24
○ 2026-05-09 09:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sbc.com	a4-66.akam.net, a5-67.akam.net, a1-212.akam.net, a9-66.akam.net...	-

✅ Authoritative Response

Server:193.108.91.212

NS records: a4-66.akam.net, a5-67.akam.net, a1-212.akam.net, a9-66.akam.net, a8-64.akam.net, a14-65.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sbc.com (unsigned zone)

⏱️ Timing

Total: 475ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mx0a-00191d01.pphosted.com (pri: 10), mx0b-00191d01.pphosted.com (pri: 10)`

Analysis

Mail Servers

Two mail servers handle rmi.sbc.com: mx0a-00191d01.pphosted.com and mx0b-00191d01.pphosted.com.

rmi.sbc.com shares the same mail server setup as other domains, including ads-eastus2-poc-db-vm-jump-01.az.3pc.att.com, myattdx01.att.com, nlpi112.sbcis.sbc.com, g68-121-8-13.sbcis.sbc.com and mhe-extdns01.vcs.att.com.

rmi.sbc.com shares some mail servers with other domains, at least partially, for instance h-135-207-255-47.research.att.com.

Host names with a single IP address:

mx0a-00191d01.pphosted.com points to 67.231.149.140

mx0b-00191d01.pphosted.com points to 67.231.157.136

rmi.sbc.com - robtex.com

rmi.sbc.com

sbc.com