🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`smtp.mms.docs.google.com`

CNAME	`browserchannel-sites.l.google.com`
DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c17::bd^{🇺🇸 Google2607:f8b0:4004::/48}
		PTR	`bl-in-f189.1e100.net`
A	142.251.167.189^{🇺🇸 Google142.251.167.0/24}

`mms.docs.google.com`

	CNAME	`browserchannel-sites.l.google.com`
	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4004:c17::bd^{🇺🇸 Google2607:f8b0:4004::/48}
	A	142.251.167.189^{🇺🇸 Google142.251.167.0/24}

WOT: SAFE (92/100)
WOT: SAFE (94/100)

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●CNAMEbrowserchannel-sites.l.google.com2026-03-23 → 2026-10-19 · 2 obs

● 2026-03-23 12:42:42
● 2026-10-19 02:06:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
google.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	8 records

✅ Authoritative Response

Server:216.239.34.10

NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for google.com (unsigned zone)

⏱️ Timing

Total: 488ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`browserchannel-sites.l.google.com`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)

Analysis

IP Addresses

smtp.mms.docs.google.com points to the IP addresses 142.251.167.189 and 2607:f8b0:4004:c17::bd

Among the host names that share IP numbers with smtp.mms.docs.google.com are google.com3.client-channel.google.com, 26.client-channel.google.com, 13.client-channel.google.com and two others.

smtp.mms.docs.google.com - robtex.com